{"id":4674,"date":"2026-06-14T19:31:06","date_gmt":"2026-06-14T19:31:06","guid":{"rendered":"https:\/\/cloudsave.app\/?p=4674"},"modified":"2026-06-15T15:15:16","modified_gmt":"2026-06-15T15:15:16","slug":"%ce%bf-%cf%83%ce%b9%cf%89%cf%80%ce%b7%ce%bb%cf%8c%cf%82-%ce%b4%ce%bf%ce%bb%ce%bf%cf%86%cf%8c%ce%bd%ce%bf%cf%82-%cf%80%cf%8e%cf%82-%ce%bd%ce%b1-%ce%b5%ce%bd%cf%84%ce%bf%cf%80%ce%af%cf%83%ce%b5%cf%84","status":"publish","type":"post","link":"https:\/\/cloudsave.app\/el\/knowledge-base\/%ce%bf-%cf%83%ce%b9%cf%89%cf%80%ce%b7%ce%bb%cf%8c%cf%82-%ce%b4%ce%bf%ce%bb%ce%bf%cf%86%cf%8c%ce%bd%ce%bf%cf%82-%cf%80%cf%8e%cf%82-%ce%bd%ce%b1-%ce%b5%ce%bd%cf%84%ce%bf%cf%80%ce%af%cf%83%ce%b5%cf%84\/","title":{"rendered":"\u039f \u03a3\u03b9\u03c9\u03c0\u03b7\u03bb\u03cc\u03c2 \u0394\u03bf\u03bb\u03bf\u03c6\u03cc\u03bd\u03bf\u03c2: \u03a0\u03ce\u03c2 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03c4\u03b5 \u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03b1 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\u03c0\u03c1\u03bf\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd.<br \/>\n*   <strong>Bit Rot:<\/strong> \u0397 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ae \u03c5\u03c0\u03bf\u03b2\u03ac\u03b8\u03bc\u03b9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9\u03bd \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c3\u03c4\u03c1\u03ad\u03c8\u03b5\u03b9 bits \u03c3\u03b9\u03c9\u03c0\u03b7\u03bb\u03ac.<br \/>\n*   <strong>\u03a3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 \u039c\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2:<\/strong> \u03a0\u03b1\u03c1\u03cc\u03bb\u03bf \u03c0\u03bf\u03c5 \u03c4\u03bf TCP \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03b1\u03b8\u03c1\u03bf\u03af\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 (checksums), \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bf\u03b4\u03b5\u03b4\u03b5\u03b9\u03b3\u03bc\u03ad\u03bd\u03b1 \u03b1\u03b4\u03cd\u03bd\u03b1\u03bc\u03b1 (16-bit). \u03a0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03c3\u03bf\u03c5\u03bd \u03c3\u03b9\u03c9\u03c0\u03b7\u03bb\u03ae \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac, \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03c4\u03bf TCP \u03b1\u03c0\u03bf\u03c4\u03c5\u03b3\u03c7\u03ac\u03bd\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03b9.<br \/>\n*   <strong>\u03a3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 \u0395\u03bb\u03b5\u03b3\u03ba\u03c4\u03ae \u0391\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2:<\/strong> \u03a0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 (bugs) \u03c3\u03b5 \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ad\u03c2 RAID \u03ae \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ad\u03c2 SAN \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b3\u03c1\u03ac\u03c8\u03bf\u03c5\u03bd \u03ac\u03c7\u03c1\u03b7\u03c3\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b5\u03bd\u03ce \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 \u03c3\u03c4\u03bf \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1.<\/p>\n<h3>\u039b\u03bf\u03b3\u03b9\u03ba\u03ae \u039a\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae<\/h3>\n<p>\u0397 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b1\u03bc\u03c6\u03b9\u03c3\u03b2\u03ae\u03c4\u03b7\u03c4\u03b1 \u03c0\u03b9\u03bf \u03b5\u03c0\u03b9\u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03b7, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c4\u03bf \u03b1\u03c1\u03c7\u03b5\u03af\u03bf \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b1 \u03ac\u03b8\u03b9\u03ba\u03c4\u03bf, \u03b1\u03bb\u03bb\u03ac \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03b1.<br \/>\n*   <strong>Garbage In, Garbage Out (GIGO):<\/strong> \u0395\u03ac\u03bd \u03b7 \u03b6\u03c9\u03bd\u03c4\u03b1\u03bd\u03ae \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03ad\u03bd\u03b1\u03bd \u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03bf \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 \u03ae \u03bc\u03b9\u03b1 \u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03b7 \u03c3\u03b5\u03bb\u03af\u03b4\u03b1, \u03c4\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c3\u03b1\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03c0\u03b9\u03c3\u03c4\u03ac \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03b7 \u03c3\u03b5\u03bb\u03af\u03b4\u03b1. \u0397 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1, \u03b1\u03bb\u03bb\u03ac \u03b7 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03b8\u03b1 \u03b1\u03c0\u03bf\u03c4\u03cd\u03c7\u03b5\u03b9 \u03ae \u03b8\u03b1 \u03b1\u03c0\u03bf\u03b4\u03ce\u03c3\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<br \/>\n*   <strong>\u0397\u03bc\u03b9\u03c4\u03b5\u03bb\u03b5\u03af\u03c2 \u03a3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2:<\/strong> \u03a3\u03c4\u03b9\u03b3\u03bc\u03b9\u03cc\u03c4\u03c5\u03c0\u03b1 (snapshots) \u03c3\u03b5 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03c0\u03bf\u03c5 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c3\u03c9\u03c3\u03c4\u03cc \u00ab\u03c0\u03ac\u03b3\u03c9\u03bc\u03b1\u00bb \u03c4\u03c9\u03bd I\/O \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd (\u03c0.\u03c7. \u03bc\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03bd\u03c4\u03bf\u03bb\u03ae\u03c2 <code>FLUSH TABLES WITH READ LOCK<\/code> \u03c3\u03c4\u03b7 MySQL) \u03bf\u03b4\u03b7\u03b3\u03bf\u03cd\u03bd \u03c3\u03b5 \u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03b5\u03bb\u03af\u03b4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b7 \u03b1\u03bd\u03b1\u03ba\u03c4\u03ae\u03c3\u03b9\u03bc\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.<\/p>\n<h2>\u03a0\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03cc\u03c2 \u0395\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc\u03c2: Checksums \u03ba\u03b1\u03b9 \u039a\u03c1\u03c5\u03c0\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03cc Hashing<\/h2>\n<p>\u0397 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03ac\u03bc\u03c5\u03bd\u03b1\u03c2 \u03b5\u03bd\u03ac\u03bd\u03c4\u03b9\u03b1 \u03c3\u03c4\u03b7 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03ba\u03c1\u03c5\u03c0\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7. \u0397 \u03b2\u03b1\u03c3\u03b9\u03b6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c3\u03c4\u03b1 \u03bc\u03b5\u03b3\u03ad\u03b8\u03b7 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03ae \u03c4\u03b9\u03c2 \u03b7\u03bc\u03b5\u03c1\u03bf\u03bc\u03b7\u03bd\u03af\u03b5\u03c2 \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b5\u03c0\u03b1\u03c1\u03ba\u03ae\u03c2.<\/p>\n<h3>\u0395\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 Checksums \u03c3\u03b5 \u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u0392\u03ac\u03c3\u03b7\u03c2 \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/h3>\n<p>\u03a4\u03b1 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7\u03c2 \u03c3\u03c7\u03b5\u03c3\u03b9\u03b1\u03ba\u03ce\u03bd \u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd (RDBMS) \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03c5\u03bd checksums \u03c3\u03b5 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c3\u03b5\u03bb\u03af\u03b4\u03b1\u03c2. \u038c\u03c4\u03b1\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b1, \u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03b9 \u03ad\u03bd\u03b1 checksum \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03c3\u03b5\u03bb\u03af\u03b4\u03b1 \u03c0\u03c1\u03b9\u03bd \u03c4\u03b7\u03bd \u03b5\u03b3\u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03b4\u03af\u03c3\u03ba\u03bf. \u038c\u03c4\u03b1\u03bd \u03b7 \u03c3\u03b5\u03bb\u03af\u03b4\u03b1 \u03b4\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 (\u03b5\u03af\u03c4\u03b5 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03b5\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1 \u03b5\u03af\u03c4\u03b5 \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2), \u03c4\u03bf checksum \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9.<\/p>\n<p>\u0393\u03b9\u03b1 \u03c4\u03b7\u03bd <strong>PostgreSQL<\/strong>, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 checksums \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 cluster:<\/p>\n<pre><code class=\"language-bash\"># \u0391\u03c1\u03c7\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03bd\u03ad\u03bf\u03c5 cluster PostgreSQL \u03bc\u03b5 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b1 \u03c4\u03b1 checksums\ninitdb --data-checksums -D \/var\/lib\/postgresql\/data\n<\/code><\/pre>\n<p><em>\u03a3\u03b7\u03bc\u03b5\u03af\u03c9\u03c3\u03b7: \u0395\u03ac\u03bd \u03ad\u03c7\u03b5\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03bd cluster PostgreSQL, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03b2\u03bf\u03b7\u03b8\u03b7\u03c4\u03b9\u03ba\u03cc \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 <code>pg_checksums<\/code> \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03b1 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 (offline).<\/em><\/p>\n<p>\u0393\u03b9\u03b1 \u03c4\u03bf\u03bd <strong>Microsoft SQL Server<\/strong>, \u03b2\u03b5\u03b2\u03b1\u03b9\u03c9\u03b8\u03b5\u03af\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf <code>PAGE_VERIFY<\/code> \u03ad\u03c7\u03b5\u03b9 \u03bf\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03c3\u03b5 <code>CHECKSUM<\/code> (\u03b7 \u03c0\u03c1\u03bf\u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c3\u03c4\u03b9\u03c2 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b5\u03c2 \u03b5\u03ba\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2, \u03b1\u03bb\u03bb\u03ac \u03b1\u03be\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03bf \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c3\u03b5\u03c4\u03b5 \u03c3\u03b5 \u03c0\u03b1\u03bb\u03b1\u03b9\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1):<\/p>\n<pre><code class=\"language-sql\">ALTER DATABASE [ProductionDB] SET PAGE_VERIFY CHECKSUM;\nGO\n<\/code><\/pre>\n<h3>\u0395\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7 \u0391\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u0391\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u0391\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7<\/h3>\n<p>\u039c\u03cc\u03bb\u03b9\u03c2 \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2, \u03b7 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03c5\u03c4\u03b5\u03af \u03ba\u03c1\u03c5\u03c0\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ac. \u03a0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03b7\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf CloudSave, \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03bf\u03c5\u03bd \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 hashes SHA-256 \u03c4\u03c9\u03bd blocks \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7. \u0395\u03ac\u03bd \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c3\u03c4\u03b5 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1 (scripts), \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03bf \u03c5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b1:<\/p>\n<pre><code class=\"language-bash\"># \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 hash SHA-256 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2\nsha256sum prod_db_backup.tar.gz &gt; prod_db_backup.tar.gz.sha256\n\n# \u0395\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7 \u03c4\u03bf\u03c5 hash \u03c3\u03c4\u03bf\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ae \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2\nsha256sum -c prod_db_backup.tar.gz.sha256\n<\/code><\/pre>\n<h2>\u03a4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u0395\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03a3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b3\u03b9\u03b1 \u0392\u03ac\u03c3\u03b5\u03b9\u03c2 \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/h2>\n<p>\u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ad\u03c2 \u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b5\u03b3\u03b3\u03b5\u03bd\u03ae \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5\u03c2.<\/p>\n<h3>PostgreSQL: <code>pg_verifybackup<\/code><\/h3>\n<p>\u03a4\u03bf <code>pg_verifybackup<\/code>, \u03c0\u03bf\u03c5 \u03b5\u03b9\u03c3\u03ae\u03c7\u03b8\u03b7 \u03c3\u03c4\u03b7\u03bd PostgreSQL 13, \u03b1\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf <code>pg_basebackup<\/code>. \u0394\u03b9\u03b1\u03b2\u03ac\u03b6\u03b5\u03b9 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b5\u03af\u03bf <code>backup_manifest<\/code> \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b1\u03c1\u03c7\u03b5\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b1\u03c1\u03cc\u03bd\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 checksums \u03c4\u03bf\u03c5\u03c2 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd.<\/p>\n<pre><code class=\"language-bash\"># \u0395\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03b5\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7\u03c2 \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac\u03bb\u03bf\u03b3\u03bf \u03c6\u03c5\u03c3\u03b9\u03ba\u03bf\u03cd base backup\npg_verifybackup \/mnt\/backups\/postgres\/base_backup_20231025\/\n<\/code><\/pre>\n<p>\u0395\u03ac\u03bd \u03ad\u03c3\u03c4\u03c9 \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 bit \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03c3\u03b5 \u03bf\u03c0\u03bf\u03b9\u03bf\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b1\u03c1\u03c7\u03b5\u03af\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03c4\u03bf <code>pg_verifybackup<\/code> \u03b8\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03c3\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03bc\u03bf\u03b9\u03c1\u03b1\u03af\u03bf \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bd\u03b1 \u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03c4\u03b7\u03bd \u03bf\u03bc\u03ac\u03b4\u03b1 DBA.<\/p>\n<h3>Microsoft SQL Server: <code>RESTORE VERIFYONLY<\/code><\/h3>\n<p>\u039f SQL Server \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b5\u03b3\u03b3\u03b5\u03bd\u03ae \u03b5\u03bd\u03c4\u03bf\u03bb\u03ae \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03b1\u03c1\u03c7\u03b5\u03af\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5. \u0395\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03ba\u03b5\u03c6\u03b1\u03bb\u03af\u03b4\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03ba\u03c5\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b1 checksums \u03c4\u03c9\u03bd \u03c3\u03b5\u03bb\u03af\u03b4\u03c9\u03bd (\u03b5\u03ac\u03bd \u03b5\u03af\u03c7\u03b1\u03bd \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2).<\/p>\n<pre><code class=\"language-sql\">RESTORE VERIFYONLY \nFROM DISK = 'Z:BackupsProdDB_Full.bak' \nWITH CHECKSUM;\n<\/code><\/pre>\n<p><strong>\u03a0\u03c1\u03bf\u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7:<\/strong> \u03a4\u03bf <code>RESTORE VERIFYONLY<\/code> \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03bd\u03b5\u03b9 \u03bc\u03cc\u03bd\u03bf \u03cc\u03c4\u03b9 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b5\u03af\u03bf \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c3\u03b9\u03bc\u03bf \u03ba\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac checksums \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd. <em>\u0394\u03b5\u03bd<\/em> \u03b5\u03b3\u03b3\u03c5\u03ac\u03c4\u03b1\u03b9 \u03c4\u03b7 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03bb\u03ae\u03c1\u03b7 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03c1\u03ad\u03be\u03b5\u03c4\u03b5 \u03c4\u03bf <code>DBCC CHECKDB<\/code>.<\/p>\n<h3>MySQL \/ InnoDB: Percona XtraBackup<\/h3>\n<p>\u0393\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 MySQL, \u03c4\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c3\u03c5\u03c7\u03bd\u03ac \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf Percona XtraBackup. \u0397 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c3\u03c5\u03bd\u03af\u03c3\u03c4\u03b1\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd, \u03b1\u03bb\u03bb\u03ac \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ad\u03c2 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03bf\u03cd\u03bd \u03c4\u03b1 \u03b1\u03c1\u03c7\u03b5\u03af\u03b1 \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd (redo logs). \u0397 \u03c6\u03ac\u03c3\u03b7 <code>--prepare<\/code> \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c9\u03c2 \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03bf\u03c2 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2.<\/p>\n<pre><code class=\"language-bash\"># \u0397 \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03b9 \u03c4\u03b1 redo logs. \n# \u0395\u03ac\u03bd \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03bf, \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03b2\u03ae\u03bc\u03b1 \u03b8\u03b1 \u03b1\u03c0\u03bf\u03c4\u03cd\u03c7\u03b5\u03b9.\nxtrabackup --prepare --target-dir=\/data\/backups\/mysql\/\n<\/code><\/pre>\n<h2>\u03a4\u03bf \u03a7\u03c1\u03c5\u03c3\u03cc \u03a0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf: \u0391\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf\u03c2 \u0388\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/h2>\n<p>\u03a4\u03b1 checksums \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b5\u03bd\u03c4\u03bf\u03bb\u03ad\u03c2 \u03b5\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b1, \u03b1\u03bb\u03bb\u03ac \u03b4\u03b5\u03bd \u03b5\u03c0\u03b1\u03c1\u03ba\u03bf\u03cd\u03bd. \u039f \u03bc\u03cc\u03bd\u03bf\u03c2 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03c7\u03b8\u03b5\u03af \u03bf\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03cc\u03c4\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b2\u03b9\u03ce\u03c3\u03b9\u03bc\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5. \u03a3\u03c4\u03b1 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 DevOps, \u03b1\u03c5\u03c4\u03ae \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bb\u03ae\u03c1\u03c9\u03c2 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7.<\/p>\n<p>\u0391\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c9\u03c2 \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 CI\/CD \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2. \u0391\u03c5\u03c4\u03ae \u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03bc\u03b7\u03b8\u03b5\u03cd\u03b5\u03b9 \u03b5\u03c6\u03ae\u03bc\u03b5\u03c1\u03b7 \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ae, \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac, \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03b5\u03c1\u03c9\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c3\u03c5\u03bd\u03b1\u03c1\u03bc\u03bf\u03bb\u03bf\u03b3\u03b5\u03af \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd.<\/p>\n<h3>\u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u0391\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7\u03c2 \u0393\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2 \u03a0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/h3>\n<p>\u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03ad\u03bd\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c3\u03b5\u03bd\u03b1\u03c1\u03af\u03bf\u03c5 Bash \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ac \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 cron job \u03ae \u03ad\u03bd\u03b1\u03bd CI runner (\u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf GitLab CI \u03ae \u03c4\u03bf GitHub Actions) \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03bb\u03bf\u03b3\u03b9\u03ba\u03bf\u03cd dump \u03c4\u03b7\u03c2 PostgreSQL.<\/p>\n<pre><code class=\"language-bash\">#!\/bin\/bash\nset -e\n\nBACKUP_FILE=&quot;\/mnt\/storage\/prod_db_latest.dump&quot;\nDB_NAME=&quot;prod_db&quot;\nCONTAINER_NAME=&quot;pg_restore_test&quot;\n\necho &quot;[INFO] \u0388\u03bd\u03b1\u03c1\u03be\u03b7 \u0391\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf\u03c5 \u0395\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2...&quot;\n\n# 1. \u0395\u03ba\u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b5\u03c6\u03ae\u03bc\u03b5\u03c1\u03bf\u03c5 container PostgreSQL\ndocker run --name $CONTAINER_NAME \n  -e POSTGRES_PASSWORD=testpass \n  -d postgres:15\n\n# \u0391\u03bd\u03b1\u03bc\u03bf\u03bd\u03ae \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c4\u03bf\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 PostgreSQL\necho &quot;[INFO] \u0391\u03bd\u03b1\u03bc\u03bf\u03bd\u03ae \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd...&quot;\nuntil docker exec $CONTAINER_NAME pg_isready -U postgres; do\n  sleep 2\ndone\n\n# 2. \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5\ndocker exec $CONTAINER_NAME psql -U postgres -c &quot;CREATE DATABASE $DB_NAME;&quot;\n\n# 3. \u0395\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2\necho &quot;[INFO] \u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2...&quot;\ndocker cp $BACKUP_FILE $CONTAINER_NAME:\/tmp\/backup.dump\ndocker exec $CONTAINER_NAME pg_restore -U postgres -d $DB_NAME -1 \/tmp\/backup.dump\n\n# 4. \u0395\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u0395\u03c1\u03c9\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u039b\u03bf\u03b3\u03b9\u03ba\u03ae\u03c2 \u0395\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2\necho &quot;[INFO] \u0395\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2...&quot;\n# \u0388\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03b1\u03bd \u03bf \u03c0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 \u03c7\u03c1\u03b7\u03c3\u03c4\u03ce\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c0\u03cc 10.000 \u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2\nUSER_COUNT=$(docker exec $CONTAINER_NAME psql -U postgres -d $DB_NAME -t -c &quot;SELECT COUNT(*) FROM users;&quot;)\n\nif [ &quot;$USER_COUNT&quot; -lt 10000 ]; then\n    echo &quot;[ERROR] \u0397 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7 \u03b1\u03c0\u03ad\u03c4\u03c5\u03c7\u03b5. \u0391\u03bd\u03b1\u03bc\u03ad\u03bd\u03bf\u03bd\u03c4\u03b1\u03bd &gt;10000 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2, \u03b2\u03c1\u03ad\u03b8\u03b7\u03ba\u03b1\u03bd $USER_COUNT&quot;\n    # \u0395\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 PagerDuty \/ Slack \u03b5\u03b4\u03ce\n    exit 1\nelse\n    echo &quot;[SUCCESS] \u0397 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7 \u03c0\u03ad\u03c1\u03b1\u03c3\u03b5. \u03a0\u03bb\u03ae\u03b8\u03bf\u03c2 \u03c7\u03c1\u03b7\u03c3\u03c4\u03ce\u03bd: $USER_COUNT&quot;\nfi\n\n# 5. \u0391\u03c0\u03bf\u03c3\u03c5\u03bd\u03b1\u03c1\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03b5\u03c6\u03ae\u03bc\u03b5\u03c1\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03bf\u03c2\necho &quot;[INFO] \u039a\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2...&quot;\ndocker rm -f $CONTAINER_NAME\n\necho &quot;[INFO] \u039f \u0391\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf\u03c2 \u0388\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u0395\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03b8\u03b7\u03ba\u03b5 \u03bc\u03b5 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1.&quot;\n<\/code><\/pre>\n<h3>\u03a4\u03b9 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03ba\u03c5\u03c1\u03ce\u03c3\u03b5\u03c4\u03b5;<\/h3>\n<p>\u039a\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2, \u03bc\u03b7\u03bd \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03c4\u03b5 \u03bc\u03cc\u03bd\u03bf \u03b1\u03bd \u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03be\u03b5\u03ba\u03b9\u03bd\u03ac. \u0395\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03c4\u03b5 \u03b5\u03c1\u03c9\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae:<br \/>\n1.  <strong>\u03a0\u03bb\u03ae\u03b8\u03bf\u03c2 \u0395\u03b3\u03b3\u03c1\u03b1\u03c6\u03ce\u03bd:<\/strong> \u0392\u03b5\u03b2\u03b1\u03b9\u03c9\u03b8\u03b5\u03af\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b2\u03b1\u03c3\u03b9\u03ba\u03bf\u03af \u03c0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ce\u03bd (\u03c0.\u03c7. \u03bf \u03c0\u03af\u03bd\u03b1\u03ba\u03b1\u03c2 <code>users<\/code> \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ac\u03b4\u03b5\u03b9\u03bf\u03c2).<br \/>\n2.  <strong>\u03a0\u03c1\u03cc\u03c3\u03c6\u03b1\u03c4\u03b1 \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1:<\/strong> \u0391\u03bd\u03b1\u03b6\u03b7\u03c4\u03ae\u03c3\u03c4\u03b5 \u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03b8\u03b7\u03ba\u03b1\u03bd \u03c4\u03b9\u03c2 \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03b5\u03c2 24 \u03ce\u03c1\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03b5\u03b2\u03b1\u03b9\u03c9\u03b8\u03b5\u03af\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b1\u03c1\u03c9\u03c7\u03b7\u03bc\u03ad\u03bd\u03bf.<br \/>\n3.  <strong>\u0391\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u0391\u03bd\u03b1\u03c6\u03bf\u03c1\u03ce\u03bd:<\/strong> \u0395\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03c4\u03b5 \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03bf\u03c1\u03c6\u03b1\u03bd\u03ce\u03bd \u03be\u03ad\u03bd\u03c9\u03bd \u03ba\u03bb\u03b5\u03b9\u03b4\u03b9\u03ce\u03bd (foreign keys), \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae.<\/p>\n<h2>\u03a0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u0395\u03b9\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b3\u03b9\u03b1 \u0391\u03bd\u03c9\u03bc\u03b1\u03bb\u03af\u03b5\u03c2 \u0391\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u0391\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2<\/h2>\n<p>\u039f \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2 \u03c0\u03c1\u03b9\u03bd \u03c3\u03c5\u03bc\u03b2\u03b5\u03af \u03b7 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03b9\u03c3\u03c7\u03c5\u03c1\u03ae \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1. \u03a0\u03ad\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1\u03c2\/\u03b1\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b1\u03c2, \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af\u03c4\u03b5 \u03c4\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c4\u03c9\u03bd \u03b5\u03c1\u03b3\u03b1\u03c3\u03b9\u03ce\u03bd \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03c4\u03b5 \u03b1\u03bd\u03c9\u03bc\u03b1\u03bb\u03af\u03b5\u03c2.<\/p>\n<h3>\u0395\u03c5\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03a0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7<\/h3>\n<p>\u0395\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c4\u03c9\u03bd \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c3\u03b1\u03c2 \u03c3\u03c4\u03bf Prometheus \u03ba\u03b1\u03b9 \u03bf\u03c0\u03c4\u03b9\u03ba\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03bc\u03b5 \u03c4\u03bf Grafana. \u03a1\u03c5\u03b8\u03bc\u03af\u03c3\u03c4\u03b5 \u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b1\u03ba\u03cc\u03bb\u03bf\u03c5\u03b8\u03b5\u03c2 \u03b5\u03c5\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2:<br \/>\n*   <strong>\u039e\u03b1\u03c6\u03bd\u03b9\u03ba\u03ae \u039c\u03b5\u03af\u03c9\u03c3\u03b7 \u039c\u03b5\u03b3\u03ad\u03b8\u03bf\u03c5\u03c2:<\/strong> \u0395\u03ac\u03bd \u03c4\u03bf \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03cc \u03c3\u03b1\u03c2 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac 500GB \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 50MB, \u03b7 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03b8\u03b7\u03ba\u03b5 \u03bc\u03b5 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 (\u039a\u03c9\u03b4\u03b9\u03ba\u03cc\u03c2 \u0395\u03be\u03cc\u03b4\u03bf\u03c5 0), \u03b1\u03bb\u03bb\u03ac \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b1\u03c4\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03cd\u03c1\u03b3\u03b7\u03c3\u03b5 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b5\u03bd\u03cc\u03c2 \u03ac\u03b4\u03b5\u03b9\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.<br \/>\n*   <strong>\u0391\u03bd\u03c9\u03bc\u03b1\u03bb\u03af\u03b5\u03c2 \u0394\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1\u03c2:<\/strong> \u0395\u03ac\u03bd \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b4\u03b9\u03b1\u03c1\u03ba\u03b5\u03af 2 \u03ce\u03c1\u03b5\u03c2 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03b8\u03b5\u03af \u03c3\u03b5 5 \u03bb\u03b5\u03c0\u03c4\u03ac, \u03ba\u03ac\u03c4\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bb\u03b5\u03af\u03c6\u03b8\u03b7\u03ba\u03b5. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03b5\u03ac\u03bd \u03b4\u03b9\u03b1\u03c1\u03ba\u03ad\u03c3\u03b5\u03b9 10 \u03ce\u03c1\u03b5\u03c2, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03c5\u03c0\u03bf\u03b2\u03ac\u03b8\u03bc\u03b9\u03c3\u03b7 I\/O \u03c4\u03bf\u03c5 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae.<br \/>\n*   <strong>\u03a3\u03c5\u03c3\u03c3\u03ce\u03c1\u03b5\u03c5\u03c3\u03b7 WAL\/Archive Log:<\/strong> \u0395\u03ac\u03bd \u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 Write-Ahead Logs (WAL) \u03b1\u03bb\u03bb\u03ac \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b4\u03b5\u03bd \u03c4\u03b1 \u03b1\u03c1\u03c7\u03b5\u03b9\u03bf\u03b8\u03b5\u03c4\u03b5\u03af \u03b1\u03c1\u03ba\u03b5\u03c4\u03ac \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1, \u03b4\u03b9\u03b1\u03c4\u03c1\u03ad\u03c7\u03b5\u03c4\u03b5 \u03c4\u03bf\u03bd \u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf \u03ba\u03b5\u03bd\u03bf\u03cd \u03c3\u03c4\u03b7\u03bd \u03b1\u03bb\u03c5\u03c3\u03af\u03b4\u03b1 Point-in-Time Recovery (PITR).<\/p>\n<h2>\u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u039a\u03b1\u03bd\u03cc\u03bd\u03b1 3-2-1 \u03bc\u03b5 \u0395\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5\u03c2 \u0391\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2<\/h2>\n<p>\u039f \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03cc\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b1\u03c2 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 3-2-1 (3 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, 2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03ad\u03c3\u03b1, 1 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1\u03c2) \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u03bc\u03cc\u03bd\u03bf \u03b5\u03ac\u03bd \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03c5\u03c4\u03b5\u03af.<\/p>\n<p>\u0395\u03b4\u03ce \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03c5 \u03b7 \u03b1\u03be\u03b9\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03bc\u03b9\u03b1\u03c2 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae\u03c2 \u03bb\u03cd\u03c3\u03b7\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf CloudSave \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2. \u0391\u03bd\u03c4\u03af \u03bd\u03b1 \u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03c4\u03b7\u03c1\u03b5\u03af\u03c4\u03b5 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03b1 \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1 bash \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03ba\u03cc\u03bc\u03b2\u03bf \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03c4\u03bf CloudSave \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ae \u03c3\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03cd\u03ba\u03bb\u03bf \u03b6\u03c9\u03ae\u03c2 3-2-1. \u03a0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03b1\u03bc\u03b5\u03c4\u03ac\u03b2\u03bb\u03b7\u03c4\u03b7 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7 (immutable storage) \u2014\u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc ransomware\u2014 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03b1, \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2. \u03a4\u03bf CloudSave \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03ba\u03ba\u03b9\u03bd\u03ae\u03c3\u03b5\u03b9 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03bf\u03bc\u03bf\u03bd\u03c9\u03bc\u03ad\u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 sandbox, \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2, \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b5\u03b9 \u03c4\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 SQL \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c5\u03b3\u03b5\u03af\u03b1\u03c2 \u03c0\u03af\u03c3\u03c9 \u03c3\u03c4\u03bf\u03bd \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03c3\u03b1\u03c2.<\/p>\n<h2>\u03a3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1<\/h2>\n<p>\u03a4\u03b1 \u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03c1\u03b1\u03bc\u03bc\u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03af\u03b3\u03c1\u03b1\u03c6\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03c3\u03b9\u03c9\u03c0\u03b7\u03bb\u03cc\u03c2 \u03b4\u03bf\u03bb\u03bf\u03c6\u03cc\u03bd\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03ad\u03c8\u03b5\u03b9 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2. \u0397 \u03b1\u03c0\u03bf\u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b2\u03b1\u03c3\u03b9\u03b6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c3\u03c4\u03bf\u03bd <code>\u039a\u03c9\u03b4\u03b9\u03ba\u03cc \u0395\u03be\u03cc\u03b4\u03bf\u03c5 0<\/code> \u03b5\u03bd\u03cc\u03c2 \u03c3\u03b5\u03bd\u03b1\u03c1\u03af\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03c0\u03b9\u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf \u03c3\u03c4\u03bf\u03af\u03c7\u03b7\u03bc\u03b1.<\/p>\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03c3\u03b5\u03c4\u03b5 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03c3\u03b1\u03c2, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c5\u03b9\u03bf\u03b8\u03b5\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae \u03ac\u03bc\u03c5\u03bd\u03b1\u03c2 \u03c3\u03b5 \u03b2\u03ac\u03b8\u03bf\u03c2:<br \/>\n1.  \u0395\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b1 checksums \u03c3\u03b5 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c3\u03b5\u03bb\u03af\u03b4\u03b1\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03c4\u03b7\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2.<br \/>\n2.  \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03b5\u03b3\u03b3\u03b5\u03bd\u03ae \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b5\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7\u03c2 (<code>pg_verifybackup<\/code>, <code>RESTORE VERIFYONLY<\/code>) \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03bf\u03c5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2.<br \/>\n3.  \u03a0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c4\u03c9\u03bd \u03b1\u03bd\u03c4\u03b9\u03b3\u03c1\u03ac\u03c6\u03c9\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2 (\u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2, \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1) \u03b3\u03b9\u03b1 \u03b5\u03c5\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03bd\u03c9\u03bc\u03b1\u03bb\u03af\u03b5\u03c2.<br \/>\n4.  \u0395\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03c4\u03b5 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2, \u03b5\u03c6\u03ae\u03bc\u03b5\u03c1\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03c9\u03c2 \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ae\u03c2 \u03c3\u03b1\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2.<\/p>\n<p>\u039c\u03b5\u03c4\u03b1\u03b2\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c0\u03b1\u03b8\u03b7\u03c4\u03b9\u03ba\u03ae \u03bd\u03bf\u03bf\u03c4\u03c1\u03bf\u03c0\u03af\u03b1 \u00ab\u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bb\u03ae\u03b8\u03b7\u03c2\u00bb \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b5\u03bd\u03b5\u03c1\u03b3\u03cc \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u00ab\u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03b5\u03c0\u03b9\u03ba\u03cd\u03c1\u03c9\u03c3\u03b7\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2\u00bb, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03cc\u03c4\u03b1\u03bd \u03b7 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03b1\u03bd\u03b1\u03c0\u03cc\u03c6\u03b5\u03c5\u03ba\u03c4\u03b1 \u03c7\u03c4\u03c5\u03c0\u03ae\u03c3\u03b5\u03b9, \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03c4\u03bf\u03b9\u03bc\u03b1, \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03bb\u03ae\u03c1\u03c9\u03c2 \u03b1\u03bd\u03b1\u03ba\u03c4\u03ae\u03c3\u03b9\u03bc\u03b1.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>** Discover how DevOps engineers and DBAs can detect corrupted database backups before disaster strikes. Learn advanced techniques for PostgreSQL, SQL Server, and MySQL, including automated restore testing and checksum validation.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Detect Corrupted Database Backups Before Disaster","rank_math_description":"** Discover how DevOps engineers and DBAs can detect corrupted database backups before disaster strikes. 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