{"id":10851,"date":"2022-09-14T14:23:31","date_gmt":"2022-09-14T06:23:31","guid":{"rendered":"https:\/\/www.lwops.cn\/?p=10851"},"modified":"2022-09-14T14:24:26","modified_gmt":"2022-09-14T06:24:26","slug":"%e6%9c%ba%e6%88%bf%e7%aa%81%e7%84%b6%e6%96%ad%e7%94%b5%ef%bc%8czabbix%e8%bf%90%e8%a1%8c%e6%97%a5%e5%bf%97%e5%87%ba%e7%8e%b0%e5%a4%a7%e9%87%8f%e7%9a%84pg_error%e6%8a%a5%e9%94%99%e4%bf%a1%e6%81%af","status":"publish","type":"post","link":"https:\/\/www.lwops.cn\/index.php\/interflow\/technology\/10851","title":{"rendered":"\u673a\u623f\u7a81\u7136\u65ad\u7535\uff0czabbix\u8fd0\u884c\u65e5\u5fd7\u51fa\u73b0\u5927\u91cf\u7684pg_error\u62a5\u9519\u4fe1\u606f\u89e3\u51b3\u65b9\u6cd5"},"content":{"rendered":"\n

\u5927\u5bb6\u53ef\u80fd\u90fd\u4f1a\u9047\u5230\u673a\u623f\u7a81\u7136\u65ad\u7535\uff0c\u5f53zabbix\u6062\u590d\u8fd0\u884c\uff0c\u67e5\u770b\u65e5\u5fd7\u53d1\u73b0\u6709\u5927\u91cf\u7684PGRES_FATAL_ERROR\u9519\u8bef\u4fe1\u606f\uff0c\u8fd9\u79cd\u60c5\u51b5\u5e94\u8be5\u5982\u4f55\u89e3\u51b3\u5462\uff1f<\/p>\n\n\n\n

1\u3001zabbix<\/a>\u62a5\u9519\u4fe1\u606f\uff1a<\/strong><\/h3>\n\n\n\n

 [select clock,ns,value from history_uint where itemid=36570 and clock<=1662337221 and clock>1661732421 order by clock desc limit 2]<\/p>\n\n\n\n

134751:20220906:092021.356 [Z3005] query failed: [0] PGRES_FATAL_ERROR:ERROR:  could not read block 619 in file “base\/17376\/55998”: read only 0 of 32768 bytes<\/p>\n\n\n\n

 [select clock,ns,value from history_uint where itemid=36570 and clock<=1662337221 and clock>1661732421 order by clock desc limit 2]<\/p>\n\n\n\n

134751:20220906:092021.359 [Z3005] query failed: [0] PGRES_FATAL_ERROR:ERROR:  could not read block 873 in file “base\/17376\/55991”: read only 0 of 32768 bytes<\/p>\n\n\n\n

 [select clock,ns,value from history_uint where itemid=36567 and clock<=1662337221 and clock>1661732421 order by clock desc limit 2]<\/p>\n\n\n\n

134751:20220906:092021.361 [Z3005] query failed: [0] PGRES_FATAL_ERROR:ERROR:  could not read block 873 in file “base\/17376\/55991”: read only 0 of 32768 bytes<\/p>\n\n\n\n

[Z3005] query failed: [0] PGRES_FATAL_ERROR:ERROR: could not read block 874<\/p>\n\n\n\n

2\u3001<\/strong>\u5206\u6790\uff1a<\/strong><\/strong><\/h3>\n\n\n\n

\u53d1\u73b0\u662f\u56e0\u4e3a\u7a81\u7136\u65ad\u7535\uff0c\u5bfc\u81f4pg\u6570\u636e\u5e93\u7684\u8868\u90e8\u5206\u7d22\u5f15\u51fa\u73b0\u95ee\u9898\u4e86\uff0c\u9700\u8981\u4fee\u590d\uff0c\u4f46\u662f\u7531\u4e8ezabbix\u6570\u636e\u4f7f\u7528timescaledb\u65f6\u5e8f\u6570\u636e\u5e93\u63d2\u4ef6\u4ee5\u53ca\u8d85\u8868\u5206\u533a\u529f\u80fd\uff0c\u6545\u65e0\u6cd5\u6307\u5b9a\u5355\u8868\u4fee\u590d\u3002<\/p>\n\n\n\n

3\u3001<\/strong>\u4fee\u590d\uff1a<\/strong><\/strong><\/h3>\n\n\n\n

\u5728\u7f51\u4e0a\u641c\u7d22\u540e\uff0c\u5728\u4ee5\u4e0b\u7f51\u7ad9\u627e\u5230\u4e86\u7c7b\u4f3c\u7684\u62a5\u9519\u4ee5\u53ca\u4fee\u590d\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

https:\/\/lxadm.com\/Repairing_broken_PostgreSQL_databases_\/_tables<\/a><\/p>\n\n\n\n

4\u3001<\/strong>\u4fee\u590d\u635f\u574f\u7684<\/strong> PostgreSQL<\/strong> <\/strong>\u6570\u636e\u5e93<\/strong>\/ <\/strong>\u8868<\/strong><\/strong><\/h3>\n\n\n\n

If your server happened to crash, PostgresSQL database is corrupted, but didn\u2019t contain too precious information, you may try the following fix.<\/p>\n\n\n\n

\u5982\u679c\u4f60\u7684\u670d\u52a1\u5668\u7a81\u7136\u53d1\u751f\u5d29\u6e83\uff0cPostgresSQL \u7a81\u7136\u88ab\u4e2d\u65ad\uff0c\u4f46\u662f\u6ca1\u6709\u5305\u542b\u592a\u591a\u4e4b\u524d\u7684\u4fe1\u606f\uff0c\u4f60\u53ef\u4ee5\u5c1d\u8bd5\u5b89\u88c5\u4ee5\u4e0b\u65b9\u6cd5\u4fee\u590d\u3002<\/p>\n\n\n\n

The typical symptoms of a corrupted Postgres database would be like below:<\/p>\n\n\n\n

\u5e38\u89c1\u7684\u56e0\u4e3a\u6570\u636e\u5e93\u8fd0\u884c\u7a81\u7136\u4e2d\u65ad\u7684\u65e5\u5fd7\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n

2013-03-05 11:29:50 GMT ERROR:  invalid page header in block 608102 of<\/p>\n\n\n\n

relation base\/16385\/16615 2013-03-05 11:29:50 GMT STATEMENT:  COPY<\/p>\n\n\n\n

public.history (itemid, clock, value) TO stdout; 2013-03-05 11:29:50<\/p>\n\n\n\n

GMT LOG:  could not send data to client: Broken pipe<\/p>\n\n\n\n

Or \u6216\u8005<\/p>\n\n\n\n

Query failed: [0] PGRES_FATAL_ERROR:ERROR:  right sibling’s left-link doesn’t match:<\/p>\n\n\n\n

block 149266 links to 70823 instead of expected 71357 in index “history_uint_1”<\/p>\n\n\n\n

The actual fix is quite easy, and basically sets \u201czero_damaged_pages = on\u201d, then performs vacuum and reindexing.<\/p>\n\n\n\n

\u5b9e\u9645\u7684\u4fee\u590d\u4e5f\u7b80\u5355\uff0c\u5728\u6570\u636e\u5e93\u8bbe\u7f6esets \u201czero_damaged_pages = on\u201d\uff0c\u7136\u540e\u6267\u884cvacuum and reindexing\u91cd\u65b0\u5efa\u7acb\u7d22\u5f15\u5373\u53ef\u3002<\/p>\n\n\n\n

DATABASE=yourdatabase<\/p>\n\n\n\n

 TABLES=$(<\/strong>echo \\\\<\/strong>d | psql $DATABASE | grep “^ public” | awk ‘{print $3}’)<\/strong><\/p>\n\n\n\n

 for<\/strong> TABLE in $TABLES; do<\/strong> <\/p>\n\n\n\n

   echo $TABLE<\/p>\n\n\n\n

   echo “SET zero_damaged_pages = on; VACUUM FULL $TABLE; REINDEX TABLE $TABLE” | psql $DATABASEdone<\/strong><\/p>\n\n\n\n

\u5728zabbix server\u6216\u8005\u662fpg\u6570\u636e\u5e93\u670d\u52a1\u5668\uff0c\u521b\u5efashell\u811a\u672c\uff0c\u5c06\u4ee5\u4e0a\u7684\u590d\u5236\u5230\u811a\u672c\uff0c\u4fee\u6539\u4e3a\u5728\u4f7f\u7528\u7684\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n

5\u3001\u4fee\u590d\u811a\u672c\uff1a<\/strong><\/h3>\n\n\n\n

vim pg_repair_index.sh<\/p>\n\n\n\n

!# \/bin\/bash<\/p>\n\n\n\n

DATABASE=zabbix   #\u62a5\u9519\u7684\u6570\u636e\u5e93\u540d\u79f0<\/p>\n\n\n\n

TABLES=$(echo \\\\d | psql $DATABASE | grep “^ public” | awk ‘{print $3}’)<\/p>\n\n\n\n

for TABLE in $TABLES; do<\/p>\n\n\n\n

   echo $TABLE<\/p>\n\n\n\n

   echo “SET zero_damaged_pages = on; VACUUM FULL $TABLE; REINDEX TABLE $TABLE” | psql $DATABASE<\/p>\n\n\n\n

done <\/p>\n\n\n\n

\u7ed9\u811a\u672c\u6267\u884c\u6743\u9650<\/p>\n\n\n\n

chmod +x pg_repair_index.sh<\/p>\n\n\n\n

\u6267\u884c\u6267\u884c\u811a\u672c\u00a0.\/pg_repair_index.sh\uff0c\u4f1a\u81ea\u52a8\u91cd\u7f6e\u6bcf\u4e2a\u8868\u7684\u7d22\u5f15\u3002<\/p>\n\n\n\n

\u66f4\u591azabbix\u6280\u672f\u8d44\u6599\uff0c\u8bf7\u6301\u7eed\u5173\u6ce8\u4e50\u7ef4<\/a>\u793e\u533a\uff1ahttps:\/\/forum.lwops.cn\/<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u673a\u623f\u7a81\u7136\u65ad\u7535\uff0czabbix\u8fd0\u884c\u65e5\u5fd7\u51fa\u73b0\u5927\u91cf\u7684pg_error\u62a5\u9519\u4fe1\u606f\u89e3\u51b3\u65b9\u6cd5<\/p>\n","protected":false},"author":1,"featured_media":12758,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":""},"categories":[21],"tags":[210],"class_list":["post-10851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology","tag-zaber"],"metadata":{"_edit_lock":["1663136669:1"],"_thumbnail_id":["12758"],"ig_es_is_post_notified":["1"],"_edit_last":["1"],"themepark_seo_title":["zabbix\u8fd0\u884c\u65e5\u5fd7\u51fa\u73b0pg_error\u62a5\u9519\u4fe1\u606f\u89e3\u51b3\u65b9\u6cd5"],"themepark_seo_description":["\u673a\u623f\u7a81\u7136\u65ad\u7535\uff0czabbix\u8fd0\u884c\u65e5\u5fd7\u51fa\u73b0\u5927\u91cf\u7684pg_error\u62a5\u9519\u4fe1\u606f\u89e3\u51b3\u65b9\u6cd5"],"themepark_seo_keyword":["zabbix,zabbix\u62a5\u9519,zabbix\u8fd0\u884c\u65e5\u5fd7"],"catce":["sidebar-widgets4"],"_yoast_wpseo_primary_category":["21"],"_yoast_wpseo_focuskw":["zabbix\u65e5\u5fd7\u62a5\u9519"],"_yoast_wpseo_linkdex":["59"],"_yoast_wpseo_content_score":["90"],"_yoast_wpseo_estimated-reading-time-minutes":[""],"_yoast_wpseo_wordproof_timestamp":[""],"views":["6156"]},"yoast_head":"\n\u673a\u623f\u7a81\u7136\u65ad\u7535\uff0czabbix\u8fd0\u884c\u65e5\u5fd7\u51fa\u73b0\u5927\u91cf\u7684pg_error\u62a5\u9519\u4fe1\u606f\u89e3\u51b3\u65b9\u6cd5 - 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