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Isolation, Durability) \u0a26\u0a47 \u0a06\u0a27\u0a3e\u0a30 &#8216;\u0a24\u0a47 \u0a21\u0a3f\u0a1c\u0a3c\u0a3e\u0a08\u0a28 \u0a15\u0a40\u0a24\u0a47 \u0a17\u0a0f \u0a39\u0a28\u0964 ACID \u0a2a\u0a3e\u0a32\u0a23\u0a3e \u0a28\u0a42\u0a70 \u0a15\u0a3e\u0a07\u0a2e \u0a30\u0a71\u0a16\u0a26\u0a47 \u0a39\u0a4b\u0a0f \u0a09\u0a71\u0a1a \u0a2a\u0a4d\u0a30\u0a26\u0a30\u0a38\u0a3c\u0a28 \u0a2a\u0a4d\u0a30\u0a3e\u0a2a\u0a24 \u0a15\u0a30\u0a28 \u0a32\u0a08, \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a39\u0a30 \u0a1f\u0a4d\u0a30\u0a3e\u0a02\u0a1c\u0a48\u0a15\u0a38\u0a3c\u0a28 \u0a28\u0a42\u0a70 \u0a24\u0a41\u0a30\u0a70\u0a24 \u0a21\u0a3f\u0a38\u0a15 &#8216;\u0a24\u0a47 \u0a2a\u0a4d\u0a30\u0a3e\u0a07\u0a2e\u0a30\u0a40 \u0a21\u0a47\u0a1f\u0a3e \u0a2b\u0a3e\u0a08\u0a32\u0a3e\u0a02 \u0a35\u0a3f\u0a71\u0a1a \u0a28\u0a39\u0a40\u0a02 \u0a32\u0a3f\u0a16\u0a26\u0a47\u0964 \u0a07\u0a38 \u0a26\u0a40 \u0a2c\u0a1c\u0a3e\u0a0f, \u0a09\u0a39 \u0a07\u0a71\u0a15 \u0a17\u0a41\u0a70\u0a1d\u0a32\u0a26\u0a3e\u0a30, 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\u0a30\u0a40\u0a38\u0a1f\u0a4b\u0a30 \u0a15\u0a30\u0a28 \u0a26\u0a40 \u0a15\u0a4b\u0a38\u0a3c\u0a3f\u0a38\u0a3c \u0a15\u0a30\u0a26\u0a47 \u0a39\u0a4b, \u0a24\u0a3e\u0a02 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a2a\u0a70\u0a28\u0a47 \u0a28\u0a42\u0a70 \u0a2a\u0a5c\u0a4d\u0a39\u0a47\u0a17\u0a3e, \u0a1a\u0a48\u0a71\u0a15\u0a38\u0a2e \u0a35\u0a48\u0a27\u0a24\u0a3e \u0a35\u0a3f\u0a71\u0a1a \u0a05\u0a38\u0a2b\u0a32 \u0a39\u0a4b \u0a1c\u0a3e\u0a35\u0a47\u0a17\u0a3e, \u0a05\u0a24\u0a47 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a28\u0a42\u0a70 \u0a16\u0a30\u0a3e\u0a2c (corrupt) \u0a35\u0a1c\u0a4b\u0a02 \u0a1a\u0a3f\u0a70\u0a28\u0a4d\u0a39\u0a3f\u0a24 \u0a15\u0a30\u0a47\u0a17\u0a3e\u0964<\/p>\n<h2>\u0a35\u0a3f\u0a38\u0a3c\u0a47\u0a38\u0a3c \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a07\u0a70\u0a1c\u0a23\u0a3e\u0a02 \u0a32\u0a08 \u0a05\u0a38\u0a32-\u0a38\u0a70\u0a38\u0a3e\u0a30 \u0a26\u0a47 \u0a28\u0a24\u0a40\u0a1c\u0a47<\/h2>\n<p>\u0a35\u0a71\u0a16-\u0a35\u0a71\u0a16 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a07\u0a70\u0a1c\u0a23 \u0a15\u0a4d\u0a30\u0a48\u0a38\u0a3c-\u0a15\u0a28\u0a38\u0a3f\u0a38\u0a1f\u0a48\u0a02\u0a1f \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f\u0a3e\u0a02 &#8216;\u0a24\u0a47 \u0a35\u0a71\u0a16-\u0a35\u0a71\u0a16 \u0a24\u0a30\u0a40\u0a15\u0a3f\u0a06\u0a02 \u0a28\u0a3e\u0a32 \u0a2a\u0a4d\u0a30\u0a24\u0a40\u0a15\u0a3f\u0a30\u0a3f\u0a06 \u0a15\u0a30\u0a26\u0a47 \u0a39\u0a28, \u0a2a\u0a30 \u0a15\u0a4b\u0a08 \u0a35\u0a40 \u0a09\u0a39\u0a28\u0a3e\u0a02 \u0a28\u0a42\u0a70 \u0a2a\u0a4d\u0a30\u0a4b\u0a21\u0a15\u0a38\u0a3c\u0a28 \u0a35\u0a3e\u0a24\u0a3e\u0a35\u0a30\u0a23 \u0a35\u0a3f\u0a71\u0a1a \u0a38\u0a41\u0a1a\u0a3e\u0a30\u0a42 \u0a22\u0a70\u0a17 \u0a28\u0a3e\u0a32 \u0a28\u0a39\u0a40\u0a02 \u0a38\u0a70\u0a2d\u0a3e\u0a32\u0a26\u0a3e\u0964<\/p>\n<ul>\n<li><strong>PostgreSQL:<\/strong> PostgreSQL \u0a2c\u0a39\u0a41\u0a24 \u0a1c\u0a3c\u0a3f\u0a06\u0a26\u0a3e <code>pg_wal<\/code> \u0a21\u0a3e\u0a07\u0a30\u0a48\u0a15\u0a1f\u0a30\u0a40 &#8216;\u0a24\u0a47 \u0a28\u0a3f\u0a30\u0a2d\u0a30 \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48\u0964 \u0a1c\u0a47\u0a15\u0a30 \u0a15\u0a4b\u0a08 \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f \u0a21\u0a47\u0a1f\u0a3e \u0a21\u0a3e\u0a07\u0a30\u0a48\u0a15\u0a1f\u0a30\u0a40 (<code>$PGDATA<\/code>) \u0a05\u0a24\u0a47 WAL \u0a28\u0a42\u0a70 \u0a38\u0a3f\u0a70\u0a15 \u0a24\u0a4b\u0a02 \u0a2c\u0a3e\u0a39\u0a30 \u0a15\u0a48\u0a2a\u0a1a\u0a30 \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48, \u0a24\u0a3e\u0a02 PostgreSQL \u0a38\u0a3c\u0a41\u0a30\u0a42 \u0a39\u0a4b\u0a23 \u0a35\u0a3f\u0a71\u0a1a \u0a05\u0a38\u0a2b\u0a32 \u0a39\u0a4b \u0a1c\u0a3e\u0a35\u0a47\u0a17\u0a3e, \u0a05\u0a24\u0a47 <code>PANIC: could not locate a valid checkpoint record<\/code> \u0a17\u0a32\u0a24\u0a40 \u0a26\u0a3f\u0a16\u0a3e\u0a0f\u0a17\u0a3e\u0964<\/li>\n<li><strong>MySQL\/InnoDB:<\/strong> InnoDB \u0a1f\u0a4b\u0a30\u0a28 \u0a2a\u0a47\u0a1c\u0a3e\u0a02 \u0a28\u0a42\u0a70 \u0a30\u0a4b\u0a15\u0a23 \u0a32\u0a08 \u0a21\u0a2c\u0a32-\u0a30\u0a3e\u0a08\u0a1f \u0a2c\u0a2b\u0a30 \u0a26\u0a40 \u0a35\u0a30\u0a24\u0a4b\u0a02 \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48, \u0a1c\u0a4b \u0a15\u0a4d\u0a30\u0a48\u0a38\u0a3c-\u0a15\u0a28\u0a38\u0a3f\u0a38\u0a1f\u0a48\u0a02\u0a1f \u0a38\u0a25\u0a3f\u0a24\u0a40\u0a06\u0a02 \u0a26\u0a47 \u0a35\u0a3f\u0a30\u0a41\u0a71\u0a27 \u0a15\u0a41\u0a1d \u0a38\u0a41\u0a30\u0a71\u0a16\u0a3f\u0a06 \u0a2a\u0a4d\u0a30\u0a26\u0a3e\u0a28 \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48\u0964 \u0a39\u0a3e\u0a32\u0a3e\u0a02\u0a15\u0a3f, \u0a1c\u0a47\u0a15\u0a30 <code>ibdata1<\/code> \u0a2b\u0a3e\u0a08\u0a32 \u0a05\u0a24\u0a47 <code>ib_logfile<\/code> \u0a38\u0a3f\u0a70\u0a15 \u0a24\u0a4b\u0a02 \u0a2c\u0a3e\u0a39\u0a30 \u0a15\u0a48\u0a2a\u0a1a\u0a30 \u0a15\u0a40\u0a24\u0a47 \u0a1c\u0a3e\u0a02\u0a26\u0a47 \u0a39\u0a28, \u0a24\u0a3e\u0a02 InnoDB \u0a07\u0a70\u0a1c\u0a23 \u0a30\u0a3f\u0a15\u0a35\u0a30\u0a40 &#8216;\u0a24\u0a47 \u0a15\u0a4d\u0a30\u0a48\u0a38\u0a3c \u0a39\u0a4b \u0a1c\u0a3e\u0a35\u0a47\u0a17\u0a3e\u0964<\/li>\n<li><strong>Microsoft SQL Server:<\/strong> SQL Server I\/O \u0a2b\u0a4d\u0a30\u0a40\u0a1c\u0a3c\u0a3f\u0a70\u0a17 \u0a32\u0a08 \u0a2c\u0a39\u0a41\u0a24 \u0a38\u0a70\u0a35\u0a47\u0a26\u0a28\u0a38\u0a3c\u0a40\u0a32 \u0a39\u0a48\u0964 \u0a38\u0a39\u0a40 VSS (Volume Shadow Copy Service) \u0a0f\u0a15\u0a40\u0a15\u0a30\u0a23 \u0a24\u0a4b\u0a02 \u0a2c\u0a3f\u0a28\u0a3e\u0a02, \u0a38\u0a1f\u0a48\u0a02\u0a21\u0a30\u0a21 VM \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f \u0a24\u0a4b\u0a02 SQL Server \u0a28\u0a42\u0a70 \u0a30\u0a40\u0a38\u0a1f\u0a4b\u0a30 \u0a15\u0a30\u0a28 \u0a26\u0a47 \u0a28\u0a24\u0a40\u0a1c\u0a47 \u0a35\u0a1c\u0a4b\u0a02 \u0a05\u0a15\u0a38\u0a30 \u0a38\u0a3c\u0a71\u0a15\u0a40 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a05\u0a24\u0a47 \u0a1f\u0a41\u0a71\u0a1f\u0a40\u0a06\u0a02 \u0a32\u0a4c\u0a17 \u0a1a\u0a47\u0a28\u0a3e\u0a02 \u0a2c\u0a23 \u0a1c\u0a3e\u0a02\u0a26\u0a40\u0a06\u0a02 \u0a39\u0a28, \u0a1c\u0a4b \u0a24\u0a41\u0a39\u0a3e\u0a21\u0a40 \u0a2a\u0a41\u0a06\u0a07\u0a70\u0a1f-\u0a07\u0a28-\u0a1f\u0a3e\u0a08\u0a2e \u0a30\u0a3f\u0a15\u0a35\u0a30\u0a40 (PITR) \u0a38\u0a2e\u0a30\u0a71\u0a25\u0a3e\u0a35\u0a3e\u0a02 \u0a28\u0a42\u0a70 \u0a28\u0a38\u0a3c\u0a1f \u0a15\u0a30 \u0a26\u0a3f\u0a70\u0a26\u0a40\u0a06\u0a02 \u0a39\u0a28\u0964<\/li>\n<\/ul>\n<h2>\u0a35\u0a30\u0a1a\u0a41\u0a05\u0a32\u0a3e\u0a08\u0a1c\u0a3c\u0a21 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a26\u0a3e \u0a38\u0a41\u0a30\u0a71\u0a16\u0a3f\u0a05\u0a24 \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a32\u0a48\u0a23 \u0a32\u0a08 \u0a35\u0a27\u0a40\u0a06 \u0a05\u0a2d\u0a3f\u0a06\u0a38<\/h2>\n<p>\u0a1f\u0a4d\u0a30\u0a3e\u0a02\u0a1c\u0a48\u0a15\u0a38\u0a3c\u0a28\u0a32 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a26\u0a40 \u0a38\u0a41\u0a30\u0a71\u0a16\u0a3f\u0a06 \u0a32\u0a08, \u0a24\u0a41\u0a39\u0a3e\u0a28\u0a42\u0a70 \u0a15\u0a4d\u0a30\u0a48\u0a38\u0a3c-\u0a15\u0a28\u0a38\u0a3f\u0a38\u0a1f\u0a48\u0a02\u0a1f \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a24\u0a4b\u0a02 <strong>\u0a10\u0a2a\u0a32\u0a40\u0a15\u0a47\u0a38\u0a3c\u0a28-\u0a15\u0a28\u0a38\u0a3f\u0a38\u0a1f\u0a48\u0a02\u0a1f<\/strong> \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a35\u0a71\u0a32 \u0a35\u0a27\u0a23\u0a3e \u0a1a\u0a3e\u0a39\u0a40\u0a26\u0a3e \u0a39\u0a48\u0964 \u0a07\u0a38 \u0a32\u0a08 \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a35\u0a3f\u0a27\u0a40 \u0a28\u0a42\u0a70 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a07\u0a70\u0a1c\u0a23 \u0a28\u0a3e\u0a32 \u0a38\u0a70\u0a1a\u0a3e\u0a30 \u0a15\u0a30\u0a28 \u0a26\u0a40 \u0a32\u0a4b\u0a5c \u0a39\u0a41\u0a70\u0a26\u0a40 \u0a39\u0a48, \u0a1c\u0a3f\u0a38 \u0a28\u0a3e\u0a32 \u0a07\u0a39 \u0a2e\u0a48\u0a2e\u0a4b\u0a30\u0a40 \u0a28\u0a42\u0a70 \u0a21\u0a3f\u0a38\u0a15 &#8216;\u0a24\u0a47 \u0a2b\u0a32\u0a71\u0a38\u0a3c \u0a15\u0a30\u0a28 \u0a05\u0a24\u0a47 \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f \u0a32\u0a48\u0a02\u0a26\u0a47 \u0a38\u0a2e\u0a47\u0a02 I\/O \u0a13\u0a2a\u0a30\u0a47\u0a38\u0a3c\u0a28\u0a3e\u0a02 \u0a28\u0a42\u0a70 \u0a05\u0a38\u0a25\u0a3e\u0a08 \u0a24\u0a4c\u0a30 &#8216;\u0a24\u0a47 \u0a30\u0a4b\u0a15\u0a23 \u0a32\u0a08 \u0a2e\u0a1c\u0a2c\u0a42\u0a30 \u0a39\u0a41\u0a70\u0a26\u0a3e \u0a39\u0a48\u0964<\/p>\n<h3>1. \u0a10\u0a2a\u0a32\u0a40\u0a15\u0a47\u0a38\u0a3c\u0a28-\u0a05\u0a35\u0a47\u0a05\u0a30 \u0a15\u0a41\u0a07\u0a1c\u0a3c\u0a3f\u0a70\u0a17 (VSS \u0a05\u0a24\u0a47 fsfreeze) \u0a26\u0a3e \u0a32\u0a3e\u0a2d \u0a09\u0a20\u0a3e\u0a13<\/h3>\n<p><strong>Windows (SQL Server) \u0a32\u0a08:<\/strong><br \/>\n\u0a39\u0a2e\u0a47\u0a38\u0a3c\u0a3e \u0a2f\u0a15\u0a40\u0a28\u0a40 \u0a2c\u0a23\u0a3e\u0a13 \u0a15\u0a3f \u0a24\u0a41\u0a39\u0a3e\u0a21\u0a3e \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a39\u0a71\u0a32 Microsoft Volume Shadow Copy Service (VSS) \u0a26\u0a40 \u0a35\u0a30\u0a24\u0a4b\u0a02 \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48\u0964 \u0a1c\u0a26\u0a4b\u0a02 \u0a07\u0a71\u0a15 VSS-\u0a05\u0a35\u0a47\u0a05\u0a30 \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a38\u0a3c\u0a41\u0a30\u0a42 \u0a39\u0a41\u0a70\u0a26\u0a3e \u0a39\u0a48, \u0a24\u0a3e\u0a02 SQL Server VSS Writer \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 I\/O \u0a28\u0a42\u0a70 \u0a2b\u0a4d\u0a30\u0a40\u0a1c\u0a3c \u0a15\u0a30 \u0a26\u0a3f\u0a70\u0a26\u0a3e \u0a39\u0a48, \u0a2c\u0a15\u0a3e\u0a07\u0a06 \u0a1f\u0a4d\u0a30\u0a3e\u0a02\u0a1c\u0a48\u0a15\u0a38\u0a3c\u0a28\u0a3e\u0a02 \u0a28\u0a42\u0a70 \u0a21\u0a3f\u0a38\u0a15 &#8216;\u0a24\u0a47 \u0a2b\u0a32\u0a71\u0a38\u0a3c \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48, \u0a05\u0a24\u0a47 \u0a07\u0a39 \u0a2f\u0a15\u0a40\u0a28\u0a40 \u0a2c\u0a23\u0a3e\u0a09\u0a02\u0a26\u0a3e \u0a39\u0a48 \u0a15\u0a3f \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f \u0a2a\u0a42\u0a30\u0a40 \u0a24\u0a30\u0a4d\u0a39\u0a3e\u0a02 \u0a10\u0a2a\u0a32\u0a40\u0a15\u0a47\u0a38\u0a3c\u0a28-\u0a15\u0a28\u0a38\u0a3f\u0a38\u0a1f\u0a48\u0a02\u0a1f \u0a39\u0a48\u0964<\/p>\n<p><strong>Linux (PostgreSQL \/ MySQL) \u0a32\u0a08:<\/strong><br \/>\nLinux \u0a15\u0a4b\u0a32 VSS \u0a26\u0a3e \u0a15\u0a4b\u0a08 \u0a2e\u0a42\u0a32 \u0a2c\u0a30\u0a3e\u0a2c\u0a30 \u0a28\u0a39\u0a40\u0a02 \u0a39\u0a48\u0964 \u0a10\u0a2a\u0a32\u0a40\u0a15\u0a47\u0a38\u0a3c\u0a28 \u0a15\u0a28\u0a38\u0a3f\u0a38\u0a1f\u0a48\u0a02\u0a38\u0a40 \u0a2a\u0a4d\u0a30\u0a3e\u0a2a\u0a24 \u0a15\u0a30\u0a28 \u0a32\u0a08, \u0a24\u0a41\u0a39\u0a3e\u0a28\u0a42\u0a70 \u0a39\u0a3e\u0a08\u0a2a\u0a30\u0a35\u0a3e\u0a08\u0a1c\u0a3c\u0a30 \u0a26\u0a47 \u0a17\u0a48\u0a38\u0a1f \u0a1f\u0a42\u0a32\u0a38 (\u0a1c\u0a3f\u0a35\u0a47\u0a02 \u0a15\u0a3f VMware Tools) \u0a26\u0a47 \u0a28\u0a3e\u0a32 \u0a2a\u0a4d\u0a30\u0a40-\u0a2b\u0a4d\u0a30\u0a40\u0a1c\u0a3c \u0a05\u0a24\u0a47 \u0a2a\u0a4b\u0a38\u0a1f-\u0a25\u0a4c\u0a05 \u0a38\u0a15\u0a4d\u0a30\u0a3f\u0a2a\u0a1f\u0a3e\u0a02 \u0a26\u0a40 \u0a35\u0a30\u0a24\u0a4b\u0a02 \u0a15\u0a30\u0a28\u0a40 \u0a1a\u0a3e\u0a39\u0a40\u0a26\u0a40 \u0a39\u0a48\u0964<\/p>\n<p>\u0a07\u0a71\u0a25\u0a47 PostgreSQL 15+ \u0a32\u0a08 \u0a07\u0a71\u0a15 VMware <code>pre-freeze-script<\/code> \u0a26\u0a40 \u0a09\u0a26\u0a3e\u0a39\u0a30\u0a23 \u0a39\u0a48 \u0a1c\u0a4b \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f \u0a32\u0a08 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a28\u0a42\u0a70 \u0a38\u0a41\u0a30\u0a71\u0a16\u0a3f\u0a05\u0a24 \u0a22\u0a70\u0a17 \u0a28\u0a3e\u0a32 \u0a24\u0a3f\u0a06\u0a30 \u0a15\u0a30\u0a26\u0a40 \u0a39\u0a48:<\/p>\n<pre><code class=\"language-bash\">#!\/bin\/bash\n# \/usr\/sbin\/pre-freeze-script\n# \u0a2f\u0a15\u0a40\u0a28\u0a40 \u0a2c\u0a23\u0a3e\u0a13 \u0a15\u0a3f \u0a07\u0a39 \u0a38\u0a15\u0a4d\u0a30\u0a3f\u0a2a\u0a1f \u0a10\u0a17\u0a1c\u0a3c\u0a40\u0a15\u0a3f\u0a0a\u0a1f\u0a47\u0a2c\u0a32 \u0a39\u0a48 (chmod +x)\n\n# 1. PostgreSQL \u0a28\u0a42\u0a70 \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a32\u0a08 \u0a24\u0a3f\u0a06\u0a30 \u0a39\u0a4b\u0a23 \u0a32\u0a08 \u0a15\u0a39\u0a4b\nsu - postgres -c \"psql -c \"SELECT pg_backup_start('vm_snapshot', true);\"\"\n\n# 2. \u0a2b\u0a3e\u0a08\u0a32 \u0a38\u0a3f\u0a38\u0a1f\u0a2e \u0a2c\u0a2b\u0a30\u0a3e\u0a02 \u0a28\u0a42\u0a70 \u0a21\u0a3f\u0a38\u0a15 '\u0a24\u0a47 \u0a2b\u0a32\u0a71\u0a38\u0a3c \u0a15\u0a30\u0a4b\nsync\n\n# 3. \u0a2b\u0a3e\u0a08\u0a32 \u0a38\u0a3f\u0a38\u0a1f\u0a2e \u0a28\u0a42\u0a70 \u0a2b\u0a4d\u0a30\u0a40\u0a1c\u0a3c \u0a15\u0a30\u0a4b (\u0a07\u0a39 \u0a2e\u0a70\u0a28 \u0a15\u0a47 \u0a15\u0a3f \u0a21\u0a47\u0a1f\u0a3e \/var\/lib\/pgsql '\u0a24\u0a47 \u0a39\u0a48)\nfsfreeze -f \/var\/lib\/pgsql\n<\/code><\/pre>\n<p>\u0a05\u0a24\u0a47 \u0a13\u0a2a\u0a30\u0a47\u0a38\u0a3c\u0a28\u0a3e\u0a02 \u0a28\u0a42\u0a70 \u0a2e\u0a41\u0a5c \u0a38\u0a3c\u0a41\u0a30\u0a42 \u0a15\u0a30\u0a28 \u0a32\u0a08 \u0a38\u0a70\u0a2c\u0a70\u0a27\u0a3f\u0a24 <code>post-thaw-script<\/code>:<\/p>\n<pre><code class=\"language-bash\">#!\/bin\/bash\n# \/usr\/sbin\/post-thaw-script\n\n# 1. \u0a2b\u0a3e\u0a08\u0a32 \u0a38\u0a3f\u0a38\u0a1f\u0a2e \u0a28\u0a42\u0a70 \u0a05\u0a28\u0a2b\u0a4d\u0a30\u0a40\u0a1c\u0a3c \u0a15\u0a30\u0a4b\nfsfreeze -u \/var\/lib\/pgsql\n\n# 2. PostgreSQL \u0a28\u0a42\u0a70 \u0a26\u0a71\u0a38\u0a4b \u0a15\u0a3f \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a2a\u0a42\u0a30\u0a3e \u0a39\u0a4b \u0a17\u0a3f\u0a06 \u0a39\u0a48\nsu - postgres -c \"psql -c \"SELECT pg_backup_stop();\"\"\n<\/code><\/pre>\n<h3>2. \u0a28\u0a47\u0a1f\u0a3f\u0a35 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a09\u0a2a\u0a2f\u0a4b\u0a17\u0a24\u0a3e\u0a35\u0a3e\u0a02 \u0a26\u0a40 \u0a35\u0a30\u0a24\u0a4b\u0a02 \u0a15\u0a30\u0a4b<\/h3>\n<p>\u0a39\u0a3e\u0a32\u0a3e\u0a02\u0a15\u0a3f \u0a10\u0a2a\u0a32\u0a40\u0a15\u0a47\u0a38\u0a3c\u0a28-\u0a15\u0a28\u0a38\u0a3f\u0a38\u0a1f\u0a48\u0a02\u0a1f \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f \u0a38\u0a1f\u0a48\u0a02\u0a21\u0a30\u0a21 \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f \u0a28\u0a3e\u0a32\u0a4b\u0a02 \u0a2c\u0a3f\u0a39\u0a24\u0a30 \u0a39\u0a28, \u0a09\u0a39\u0a28\u0a3e\u0a02 \u0a35\u0a3f\u0a71\u0a1a \u0a05\u0a1c\u0a47 \u0a35\u0a40 VM \u0a38\u0a1f\u0a28 \u0a26\u0a3e \u0a1c\u0a4b\u0a16\u0a2e \u0a39\u0a41\u0a70\u0a26\u0a3e \u0a39\u0a48\u0964 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a32\u0a08 \u0a38\u0a2d \u0a24\u0a4b\u0a02 \u0a38\u0a41\u0a30\u0a71\u0a16\u0a3f\u0a05\u0a24 \u0a2a\u0a39\u0a41\u0a70\u0a1a \u0a28\u0a47\u0a1f\u0a3f\u0a35, \u0a38\u0a1f\u0a4d\u0a30\u0a40\u0a2e\u0a3f\u0a70\u0a17 \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a09\u0a2a\u0a2f\u0a4b\u0a17\u0a24\u0a3e\u0a35\u0a3e\u0a02 \u0a26\u0a40 \u0a35\u0a30\u0a24\u0a4b\u0a02 \u0a15\u0a30\u0a28\u0a3e \u0a39\u0a48 \u0a1c\u0a4b \u0a39\u0a3e\u0a08\u0a2a\u0a30\u0a35\u0a3e\u0a08\u0a1c\u0a3c\u0a30 \u0a24\u0a4b\u0a02 \u0a38\u0a41\u0a24\u0a70\u0a24\u0a30 \u0a24\u0a4c\u0a30 &#8216;\u0a24\u0a47 \u0a15\u0a70\u0a2e \u0a15\u0a30\u0a26\u0a40\u0a06\u0a02 \u0a39\u0a28\u0964<\/p>\n<p><strong>PostgreSQL (pg_basebackup):<\/strong><\/p>\n<pre><code class=\"language-bash\">pg_basebackup -h localhost -U replication_user -D \/mnt\/backups\/pg_backup -Ft -z -P\n<\/code><\/pre>\n<p><strong>MySQL\/MariaDB (Percona XtraBackup \/ Mariabackup):<\/strong><br \/>\n\u0a07\u0a39 \u0a1f\u0a42\u0a32 \u0a21\u0a47\u0a1f\u0a3e \u0a2b\u0a3e\u0a08\u0a32\u0a3e\u0a02 \u0a28\u0a42\u0a70 \u0a15\u0a3e\u0a2a\u0a40 \u0a15\u0a30\u0a15\u0a47 \u0a05\u0a24\u0a47 \u0a28\u0a3e\u0a32 \u0a39\u0a40 \u0a30\u0a40\u0a21\u0a4b \u0a32\u0a4c\u0a17 \u0a35\u0a3f\u0a71\u0a1a \u0a24\u0a2c\u0a26\u0a40\u0a32\u0a40\u0a06\u0a02 \u0a28\u0a42\u0a70 \u0a1f\u0a30\u0a48\u0a15 \u0a15\u0a30\u0a15\u0a47 \u0a39\u0a4c\u0a1f, \u0a28\u0a3e\u0a28-\u0a2c\u0a32\u0a4c\u0a15\u0a3f\u0a70\u0a17 \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a32\u0a48\u0a02\u0a26\u0a47 \u0a39\u0a28\u0964<\/p>\n<pre><code class=\"language-bash\">mariabackup --backup --target-dir=\/mnt\/backups\/mysql_backup --user=root --password=SecurePass\n<\/code><\/pre>\n<p><strong>SQL Server (T-SQL):<\/strong><\/p>\n<pre><code class=\"language-sql\">BACKUP DATABASE [ProductionDB] \nTO DISK = N'Z:BackupsProductionDB.bak' \nWITH NOFORMAT, NOINIT, NAME = N'ProductionDB-Full Backup', \nSKIP, NOREWIND, NOUNLOAD, COMPRESSION, STATS = 10;\nGO\n<\/code><\/pre>\n<h3>3. \u0a32\u0a4c\u0a17 \u0a06\u0a30\u0a15\u0a3e\u0a08\u0a35\u0a3f\u0a70\u0a17 \u0a30\u0a3e\u0a39\u0a40\u0a02 \u0a2a\u0a41\u0a06\u0a07\u0a70\u0a1f-\u0a07\u0a28-\u0a1f\u0a3e\u0a08\u0a2e \u0a30\u0a3f\u0a15\u0a35\u0a30\u0a40 (PITR) \u0a32\u0a3e\u0a17\u0a42 \u0a15\u0a30\u0a4b<\/h3>\n<p>\u0a07\u0a71\u0a15 \u0a30\u0a4b\u0a1c\u0a3c\u0a3e\u0a28\u0a3e \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f \u0a1c\u0a3e\u0a02 \u0a2a\u0a42\u0a30\u0a3e \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a24\u0a41\u0a39\u0a3e\u0a28\u0a42\u0a70 \u0a38\u0a3f\u0a30\u0a2b \u0a09\u0a38 \u0a38\u0a2e\u0a47\u0a02 \u0a24\u0a71\u0a15 \u0a38\u0a41\u0a30\u0a71\u0a16\u0a3f\u0a05\u0a24 \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48 \u0a1c\u0a26\u0a4b\u0a02 \u0a09\u0a39 \u0a32\u0a3f\u0a06 \u0a17\u0a3f\u0a06 \u0a38\u0a40\u0964 \u0a1c\u0a47\u0a15\u0a30 \u0a24\u0a41\u0a39\u0a3e\u0a21\u0a3e \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a38\u0a3c\u0a3e\u0a2e 4:00 \u0a35\u0a1c\u0a47 \u0a15\u0a4d\u0a30\u0a48\u0a38\u0a3c \u0a39\u0a4b \u0a1c\u0a3e\u0a02\u0a26\u0a3e \u0a39\u0a48 \u0a05\u0a24\u0a47 \u0a24\u0a41\u0a39\u0a3e\u0a21\u0a3e \u0a06\u0a16\u0a30\u0a40 \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f \u0a38\u0a35\u0a47\u0a30\u0a47 2:00 \u0a35\u0a1c\u0a47 \u0a38\u0a40, \u0a24\u0a3e\u0a02 \u0a24\u0a41\u0a38\u0a40\u0a02 14 \u0a18\u0a70\u0a1f\u0a3f\u0a06\u0a02 \u0a26\u0a3e \u0a1f\u0a4d\u0a30\u0a3e\u0a02\u0a1c\u0a48\u0a15\u0a38\u0a3c\u0a28\u0a32 \u0a21\u0a47\u0a1f\u0a3e \u0a17\u0a41\u0a06 \u0a26\u0a3f\u0a70\u0a26\u0a47 \u0a39\u0a4b\u0964<\/p>\n<p>\u0a38\u0a71\u0a1a\u0a40 \u0a10\u0a02\u0a1f\u0a30\u0a2a\u0a4d\u0a30\u0a3e\u0a08\u0a1c\u0a3c \u0a32\u0a1a\u0a15\u0a24\u0a3e \u0a2a\u0a4d\u0a30\u0a3e\u0a2a\u0a24 \u0a15\u0a30\u0a28 \u0a32\u0a08, \u0a24\u0a41\u0a39\u0a3e\u0a28\u0a42\u0a70 \u0a2a\u0a42\u0a30\u0a47 \u0a10\u0a2a\u0a32\u0a40\u0a15\u0a47\u0a38\u0a3c\u0a28-\u0a15\u0a28\u0a38\u0a3f\u0a38\u0a1f\u0a48\u0a02\u0a1f \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a\u0a3e\u0a02 \u0a28\u0a42\u0a70 \u0a28\u0a3f\u0a30\u0a70\u0a24\u0a30 \u0a32\u0a4c\u0a17 \u0a06\u0a30\u0a15\u0a3e\u0a08\u0a35\u0a3f\u0a70\u0a17 (\u0a39\u0a30 \u0a15\u0a41\u0a1d \u0a2e\u0a3f\u0a70\u0a1f\u0a3e\u0a02 \u0a35\u0a3f\u0a71\u0a1a WAL, \u0a30\u0a40\u0a21\u0a4b \u0a32\u0a4c\u0a17\u0a38, \u0a1c\u0a3e\u0a02 \u0a1f\u0a4d\u0a30\u0a3e\u0a02\u0a1c\u0a48\u0a15\u0a38\u0a3c\u0a28 \u0a32\u0a4c\u0a17\u0a38 \u0a26\u0a3e \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a32\u0a48\u0a23\u0a3e) \u0a28\u0a3e\u0a32 \u0a1c\u0a4b\u0a5c\u0a28\u0a3e \u0a1a\u0a3e\u0a39\u0a40\u0a26\u0a3e \u0a39\u0a48\u0964 \u0a07\u0a39 DBA \u0a28\u0a42\u0a70 \u0a15\u0a3f\u0a38\u0a47 \u0a06\u0a2b\u0a3c\u0a24 \u0a24\u0a4b\u0a02 \u0a2a\u0a39\u0a3f\u0a32\u0a3e\u0a02 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a28\u0a42\u0a70 \u0a07\u0a71\u0a15 \u0a16\u0a3e\u0a38 \u0a2e\u0a3f\u0a70\u0a1f \u0a1c\u0a3e\u0a02 \u0a15\u0a3f\u0a38\u0a47 \u0a16\u0a3e\u0a38 \u0a1f\u0a4d\u0a30\u0a3e\u0a02\u0a1c\u0a48\u0a15\u0a38\u0a3c\u0a28 ID &#8216;\u0a24\u0a47 \u0a30\u0a40\u0a38\u0a1f\u0a4b\u0a30 \u0a15\u0a30\u0a28 \u0a26\u0a40 \u0a06\u0a17\u0a3f\u0a06 \u0a26\u0a3f\u0a70\u0a26\u0a3e \u0a39\u0a48\u0964<\/p>\n<h2>CloudSave \u0a28\u0a3e\u0a32 \u0a10\u0a02\u0a1f\u0a30\u0a2a\u0a4d\u0a30\u0a3e\u0a08\u0a1c\u0a3c \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a30\u0a23\u0a28\u0a40\u0a24\u0a40\u0a06\u0a02<\/h2>\n<p>\u0a15\u0a38\u0a1f\u0a2e \u0a2a\u0a4d\u0a30\u0a40-\u0a2b\u0a4d\u0a30\u0a40\u0a1c\u0a3c \u0a38\u0a15\u0a4d\u0a30\u0a3f\u0a2a\u0a1f\u0a3e\u0a02, \u0a28\u0a47\u0a1f\u0a3f\u0a35 \u0a21\u0a70\u0a2a\u0a3e\u0a02 \u0a32\u0a08 \u0a15\u0a4d\u0a30\u0a4c\u0a28 \u0a1c\u0a4c\u0a2c\u0a38, \u0a05\u0a24\u0a47 \u0a26\u0a30\u0a1c\u0a28\u0a3e\u0a02 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a38\u0a30\u0a35\u0a30\u0a3e\u0a02 \u0a35\u0a3f\u0a71\u0a1a \u0a32\u0a4c\u0a17 \u0a38\u0a3c\u0a3f\u0a2a\u0a3f\u0a70\u0a17 \u0a26\u0a3e \u0a2a\u0a4d\u0a30\u0a2c\u0a70\u0a27\u0a28 \u0a15\u0a30\u0a28\u0a3e DevOps \u0a1f\u0a40\u0a2e\u0a3e\u0a02 \u0a32\u0a08 \u0a07\u0a71\u0a15 \u0a38\u0a70\u0a1a\u0a3e\u0a32\u0a28 \u0a38\u0a41\u0a2a\u0a28\u0a3e \u0a39\u0a48\u0964 \u0a07\u0a71\u0a25\u0a47 CloudSave \u0a35\u0a30\u0a17\u0a3e \u0a07\u0a71\u0a15 \u0a10\u0a02\u0a1f\u0a30\u0a2a\u0a4d\u0a30\u0a3e\u0a08\u0a1c\u0a3c-\u0a17\u0a4d\u0a30\u0a47\u0a21 \u0a2a\u0a32\u0a47\u0a1f\u0a2b\u0a3e\u0a30\u0a2e \u0a2e\u0a39\u0a71\u0a24\u0a35\u0a2a\u0a42\u0a30\u0a28 \u0a2c\u0a23 \u0a1c\u0a3e\u0a02\u0a26\u0a3e \u0a39\u0a48\u0964<\/p>\n<p>CloudSave \u0a35\u0a30\u0a1a\u0a41\u0a05\u0a32\u0a3e\u0a08\u0a1c\u0a3c\u0a47\u0a38\u0a3c\u0a28 \u0a05\u0a24\u0a47 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a06\u0a30\u0a15\u0a40\u0a1f\u0a48\u0a15\u0a1a\u0a30 \u0a35\u0a3f\u0a1a\u0a15\u0a3e\u0a30 \u0a2a\u0a3e\u0a5c\u0a47 \u0a28\u0a42\u0a70 \u0a2a\u0a42\u0a30\u0a3e \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48\u0964 \u0a05\u0a70\u0a28\u0a4d\u0a39\u0a47 \u0a39\u0a3e\u0a08\u0a2a\u0a30\u0a35\u0a3e\u0a08\u0a1c\u0a3c\u0a30 \u0a38\u0a28\u0a48\u0a2a\u0a38\u0a3c\u0a3e\u0a1f &#8216;\u0a24\u0a47 \u0a28\u0a3f\u0a30\u0a2d\u0a30 \u0a15\u0a30\u0a28 \u0a26\u0a40 \u0a2c\u0a1c\u0a3e\u0a0f, CloudSave \u0a10\u0a2a\u0a32\u0a40\u0a15\u0a47\u0a38\u0a3c\u0a28-\u0a05\u0a35\u0a47\u0a05\u0a30 \u0a0f\u0a1c\u0a70\u0a1f\u0a3e\u0a02 \u0a26\u0a40 \u0a35\u0a30\u0a24\u0a4b\u0a02 \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48 \u0a1c\u0a4b SQL Server, PostgreSQL, MySQL, \u0a05\u0a24\u0a47 Oracle \u0a28\u0a3e\u0a32 \u0a28\u0a47\u0a1f\u0a3f\u0a35 \u0a24\u0a4c\u0a30 &#8216;\u0a24\u0a47 \u0a0f\u0a15\u0a40\u0a15\u0a4d\u0a30\u0a3f\u0a24 \u0a39\u0a41\u0a70\u0a26\u0a47 \u0a39\u0a28\u0964<\/p>\n<p>\u0a1c\u0a26\u0a4b\u0a02 CloudSave \u0a07\u0a71\u0a15 \u0a2c\u0a48\u0a15\u0a05\u0a71\u0a2a \u0a38\u0a3c\u0a41\u0a30\u0a42 \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48:<br \/>\n1. \u0a07\u0a39 \u0a28\u0a47\u0a1f\u0a3f\u0a35 API (\u0a1c\u0a3f\u0a35\u0a47\u0a02 \u0a15\u0a3f Windows \u0a32\u0a08 VSS 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\u0a15\u0a3f \u0a24\u0a41\u0a39\u0a3e\u0a21\u0a47 \u0a21\u0a47\u0a1f\u0a3e\u0a2c\u0a47\u0a38 \u0a09\u0a71\u0a1a \u0a2a\u0a71\u0a27\u0a30 &#8216;\u0a24\u0a47 \u0a09\u0a2a\u0a32\u0a2c\u0a27, \u0a2a\u0a42\u0a30\u0a40 \u0a24\u0a30\u0a4d\u0a39\u0a3e\u0a02 \u0a30\u0a3f\u0a15\u0a35\u0a30 \u0a15\u0a30\u0a28 \u0a2f\u0a4b\u0a17, \u0a05\u0a24\u0a47 \u0a2a\u0a42\u0a30\u0a40 \u0a24\u0a30\u0a4d\u0a39\u0a3e\u0a02 \u0a38\u0a41\u0a30\u0a71\u0a16\u0a3f\u0a05\u0a24 \u0a30\u0a39\u0a3f\u0a23\u0964<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&gt; Discover why standard VM snapshots cause data corruption in transactional databases like PostgreSQL and SQL Server. Learn DBA best practices for application-consistent backups, avoiding VM stun, and ensuring data integrity with CloudSave.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"Why VM Snapshots Are Unsafe for Transactional Databases","rank_math_description":"> Discover why standard VM snapshots cause data corruption in transactional databases like PostgreSQL and SQL Server. 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