{"id":2118,"date":"2012-07-30T17:11:59","date_gmt":"2012-07-30T09:11:59","guid":{"rendered":"http:\/\/blog.pighead.cc\/whsyu\/?p=2118"},"modified":"2012-07-30T17:11:59","modified_gmt":"2012-07-30T09:11:59","slug":"zfs-snapshot-management","status":"publish","type":"post","link":"https:\/\/blog.pighead.cc\/whsyu\/2012\/07\/30\/zfs-snapshot-management\/","title":{"rendered":"zfs snapshot \u7ba1\u7406"},"content":{"rendered":"<p class=\"bb-post-separator\"><strong>[\u83ef\u8a9e, cmn-Hant-TW]  <\/strong><\/p><p>\u76ee\u524d zfs \u5c0d\u6211\u4f86\u8aaa\u4e3b\u8981\u5c31\u662f\u5099\u4efd\u7528\uff0c\u4f7f\u7528\u7684\u65b9\u5f0f\u5927\u81f4\u4e0a\u5c31\u662f\u9010\u65e5\u5099\u4efd\uff0c\u7136\u5f8c\u5b9a\u671f\u6e05\u6389\u820a\u7684\u5099\u4efd\uff0c\u8a66\u904e\u4e00\u4e9b\u5de5\u5177\u4e0d\u904e\u90fd\u89ba\u5f97\u4e0d\u662f\u5f88\u7406\u60f3\uff0c\u6240\u4ee5\u5c31\u81ea\u5df1\u52d5\u624b\u5f04\u4e86\uff0c\u5099\u4efd\u7684\u65b9\u5f0f\u4e0d\u9650\u5b9a\uff0c\u53ea\u8981\u628a\u6a94\u6848\u585e\u9032\u76ee\u9304\u5373\u53ef\uff0c\u76ee\u524d\u7684\u8a71\u5927\u81f4\u4e0a\u662f windows \u7528 windows \u7684\u6a5f\u5236\uff0cmac \u7528 time machine\uff0c\u5176\u4ed6 linux \u6216 freebsd \u7528 rsync\uff0c\u5c0d\u5099\u4efd\u4e3b\u6a5f\u4f86\u8aaa\u53ea\u8981\u5404\u5225\u958b\u9069\u7576\u7684\u5206\u4eab\u51fa\u53bb\u5373\u53ef\u3002\u5099\u4efd\u8ddf\u6e05\u7406\u5099\u4efd\u7684\u6642\u9593\u4e5f\u53ef\u4ee5\u932f\u958b\uff0c\u6211\u662f\u7fd2\u6163\u665a\u4e0a11\u9ede\u5de6\u53f3\u6253 snapshot \u8ddf\u6e05\u820a\u5099\u4efd\uff0c\u5176\u4ed6\u6a5f\u5668\u6709\u4e00\u6574\u5929\u7684\u6642\u9593\u53ef\u4ee5\u4e1f\u8cc7\u6599\u5230\u5099\u4efd\u4e3b\u6a5f\u4e0a\u53bb\uff0c\u5c0d snapshot \u7684\u7ba1\u7406\uff0c\u4e3b\u8981\u7684\u9700\u6c42\u662f\uff1a<\/p>\n<ul>\n<li>\u7528\u65e5\u671f\u7576 snapshot \u7684\u540d\u5b57\uff0c\u4f8b\u5982 backup@2012-07-30<\/li>\n<li>\u53ef\u4ee5\u5206\u5225\u91dd\u5c0d\u5e74\uff0c\u6708\uff0c\u65e5\u8a2d\u5b9a\u4fdd\u5b58\u500b\u6578\uff0c\u4f8b\u598230\u5929\u5167\u7684\u6bcf\u65e5\u5099\u4efd\uff0c6\u500b\u6708\u5167\u7684\u6bcf\u6708\u4fdd\u7559\u4e00\u5099\u4efd\uff0c3\u5e74\u5167\u6bcf\u5e74\u4fdd\u7559\u4e00\u5099\u4efd\u3002<\/li>\n<li>\u5e74\u3001\u6708\u539f\u5247\u4e0a\u512a\u5148\u4fdd\u7559\u8a72\u5e74\u6216\u8a72\u6708\u4e4b\u7b2c\u4e00\u5929\uff0c\u5982\u679c\u7576\u5929\u525b\u597d\u6c92\u5099\u4efd\uff0c\u5c31\u5f80\u6b21\u65e5\u627e\uff0c\u76f4\u5230\u627e\u5230\u6709\u5099\u4efd\u70ba\u6b62\u3002<\/li>\n<\/ul>\n<p>\u7528 perl \u5beb\u4e86\u4e00\u500b <a href=\"http:\/\/files.pighead.cc\/index.php?dir=&amp;file=snapshot.pl\">snapshot.pl\u00a0<\/a>\u4f86\u914d\u5408\u9019\u6a23\u7684\u9700\u6c42\uff0c\u4f7f\u7528\u65b9\u6cd5\u4e5f\u5f88\u7c21\u55ae\uff0c\u6bd4\u5982\u8aaa\u8981\u8655\u7406 backup\/pighead\uff0c\u90a3\u5c31<\/p>\n<pre lang=\"none\"># .\/snapshot.pl backup\/pighead<\/pre>\n<p>\u5373\u53ef\uff0c\u9810\u8a2d\u662f\u4fdd\u755932\u5929\u5167\u7684\u9010\u65e5\u5099\u4efd\uff0c12\u500b\u6708\u5167\u6bcf\u6708\u4fdd\u7559\u4e00\u4efd\uff0c\u4e00\u5e74\u5167\u4fdd\u7559\u4e00\u4efd\uff0c\u5982\u679c\u4e0d\u60f3\u7167\u9810\u8a2d\u7684\u8a71\uff0c\u5f8c\u9762\u53ef\u4ee5\u52a0\u53c3\u6578 D-M-Y (\u65e5-\u6708-\u5e74)\uff0c\u9019\u500b\u6578\u5b57\u5305\u542b\u7576\u65e5\/\u6708\/\u5e74\uff0c\u4f8b\u5982\u8981\u4fdd\u7559\u4e09\u5929\u5167\u3001\u4e00\u6708\u5167\u3001\u4e8c\u5e74\u5167\uff1a<\/p>\n<pre lang=\"none\"># .\/snapshot.pl backup\/pighead 3-1-2<\/pre>\n<p>\u5982\u679c\u6bcf\u5929\u90fd\u6709\u6b63\u5e38\u5099\u4efd\uff0c\u6703\u7559\u4e0b\u4f86\u7684\u662f<\/p>\n<p>backup\/pighead@2012-07-30 (\u7576\u65e5)<br \/>\nbackup\/pighead@2012-07-29<br \/>\nbackup\/pighead@2012-07-28<br \/>\nbackup\/pighead@2012-07-01<br \/>\nbackup\/pighead@2012-01-01<br \/>\nbackup\/pighead@2011-01-01<\/p>\n<p>\u5e74\u6708\u65e5\u4e4b\u9593\u7684\u898f\u5247\u5f7c\u6b64\u7368\u7acb\uff0c\u6240\u4ee5\u50cf\u662f 60-20-3 (\u9010\u65e5\u5099\u4efd\u8de8\u6708\/\u9010\u6708\u5099\u4efd\u8de8\u5e74) \u6216\u662f\u8a2d\u6210 0-0-10 (\u53ea\u7559\u6bcf\u5e74\u5099\u4efd) \u90fd\u662f\u53ef\u884c\u7684\uff0c\u5982\u679c\u8a2d\u6210 0-0-0 \u7684\u8a71\u5c31\u76f8\u7576\u65bc\u662f\u5168\u6e05\u7a7a\u4e86\u3002\u8a71\u8aaa\u56de\u4f86\uff0c\u66f4\u7406\u60f3\u7684\u65b9\u5f0f\u662f\u6574\u5408 quota \u6216\u662f refquota\uff0c\u5728\u7a7a\u9593\u4e0d\u8db3\u6642\u7528\u80fd\u5167\u63d2\u65b9\u5f0f\u5f37\u5236\u522a\u9664 snapshot\uff0c\u9084\u8981\u518d\u82b1\u6642\u9593\u60f3\u60f3\u9019\u90e8\u4efd\u8981\u600e\u9ebc\u5be6\u4f5c\u5c31\u662f\u3002<\/p>\n<p>\u9644\u5e36\u4e00\u63d0\uff0c\u50cf\u662f time machine \u9019\u985e\u7684\u5099\u4efd\u6a5f\u5236\u5176\u5be6\u672c\u4f86\u5c31\u6709\u9010\u6b21\u5099\u4efd\u8ddf\u914d\u5408\u5bb9\u91cf\u522a\u9664\u820a\u5099\u4efd\u7684\u80fd\u529b\uff0c\u5176\u5be6\u5c31\u4e0d\u592a\u9700\u8981\u7528 snapshot.pl \u9019\u6a23\u7684\u6a5f\u5236\u4e86\u3002\u4e0d\u904e\u56e0\u70ba\u8d70\u7db2\u8def\u7684 time machine \u6709\u6642\u5019\u6703\u7a81\u7136\u5169\u5149\u7d50\u679c\u600e\u9ebc\u4fee\u90fd\u4fee\u4e0d\u597d\uff0c\u70ba\u4e86\u4fdd\u96aa\u8d77\u898b\u6211\u9084\u662f\u6703\u4e1f\u500b 15-0-0 \u4e4b\u985e\u7684\uff0c\u9019\u6a23\u9047\u5230\u4fee\u4e0d\u597d\u554f\u984c\u6642\u81f3\u5c11\u9084\u53ef\u4ee5\u7528 zfs rollback \u56de\u5230\u6b63\u5e38\u7684\u9ede\u518d\u91cd\u65b0\u5099\u4efd\u3002\u53e6\u5916\u56e0\u70ba time machine \u6703\u6293\u53ef\u7528\u7a7a\u9593\u505a\u522a\u6a94\u5224\u65b7\u7684\u4f9d\u64da\uff0c\u7528 refquota (\u7b97 quota \u6642\u4e0d\u7d0d\u5165 snapshot \u4f7f\u7528\u91cf) \u9650\u5236\u5927\u5c0f\u6703\u662f\u6bd4\u8f03\u7a69\u5b9a\u7684\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[\u83ef\u8a9e, cmn-Hant-TW] \u76ee\u524d zfs \u5c0d\u6211\u4f86\u8aaa\u4e3b\u8981\u5c31\u662f\u5099\u4efd\u7528\uff0c\u4f7f\u7528\u7684\u65b9\u5f0f\u5927\u81f4\u4e0a\u5c31\u662f\u9010\u65e5\u5099\u4efd\uff0c\u7136\u5f8c\u5b9a\u671f\u6e05\u6389\u820a\u7684\u5099\u4efd\uff0c\u8a66\u904e\u4e00\u4e9b\u5de5\u5177\u4e0d\u904e\u90fd\u89ba\u5f97\u4e0d\u662f\u5f88\u7406\u60f3\uff0c\u6240\u4ee5\u5c31\u81ea\u5df1\u52d5\u624b\u5f04\u4e86\uff0c\u5099\u4efd\u7684\u65b9\u5f0f\u4e0d\u9650\u5b9a\uff0c\u53ea\u8981\u628a\u6a94\u6848\u585e\u9032\u76ee\u9304\u5373\u53ef\uff0c\u76ee\u524d\u7684\u8a71\u5927\u81f4\u4e0a\u662f windows \u7528 windows \u7684\u6a5f\u5236\uff0cmac \u7528 time machine\uff0c\u5176\u4ed6 linux \u6216 freebsd \u7528 rsync\uff0c\u5c0d\u5099\u4efd\u4e3b\u6a5f\u4f86\u8aaa\u53ea\u8981\u5404\u5225\u958b\u9069\u7576\u7684\u5206\u4eab\u51fa\u53bb\u5373\u53ef\u3002\u5099\u4efd\u8ddf\u6e05\u7406\u5099\u4efd\u7684\u6642\u9593\u4e5f\u53ef\u4ee5\u932f\u958b\uff0c\u6211\u662f\u7fd2\u6163\u665a\u4e0a11\u9ede\u5de6\u53f3\u6253 snapshot \u8ddf\u6e05\u820a\u5099\u4efd\uff0c\u5176\u4ed6\u6a5f\u5668\u6709\u4e00\u6574\u5929\u7684\u6642\u9593\u53ef\u4ee5\u4e1f\u8cc7\u6599\u5230\u5099\u4efd\u4e3b\u6a5f\u4e0a\u53bb\uff0c\u5c0d snapshot \u7684\u7ba1\u7406\uff0c\u4e3b\u8981\u7684\u9700\u6c42\u662f\uff1a \u7528\u65e5\u671f\u7576 snapshot \u7684\u540d\u5b57\uff0c\u4f8b\u5982 backup@2012-07-30 \u53ef\u4ee5\u5206\u5225\u91dd\u5c0d\u5e74\uff0c\u6708\uff0c\u65e5\u8a2d\u5b9a\u4fdd\u5b58\u500b\u6578\uff0c\u4f8b\u598230\u5929\u5167\u7684\u6bcf\u65e5\u5099\u4efd\uff0c6\u500b\u6708\u5167\u7684\u6bcf\u6708\u4fdd\u7559\u4e00\u5099\u4efd\uff0c3\u5e74\u5167\u6bcf\u5e74\u4fdd\u7559\u4e00\u5099\u4efd\u3002 \u5e74\u3001\u6708\u539f\u5247\u4e0a\u512a\u5148\u4fdd\u7559\u8a72\u5e74\u6216\u8a72\u6708\u4e4b\u7b2c\u4e00\u5929\uff0c\u5982\u679c\u7576\u5929\u525b\u597d\u6c92\u5099\u4efd\uff0c\u5c31\u5f80\u6b21\u65e5\u627e\uff0c\u76f4\u5230\u627e\u5230\u6709\u5099\u4efd\u70ba\u6b62\u3002 \u7528 perl \u5beb\u4e86\u4e00\u500b snapshot.pl\u00a0\u4f86\u914d\u5408\u9019\u6a23\u7684\u9700\u6c42\uff0c\u4f7f\u7528\u65b9\u6cd5\u4e5f\u5f88\u7c21\u55ae\uff0c\u6bd4\u5982\u8aaa\u8981\u8655\u7406 backup\/pighead\uff0c\u90a3\u5c31 # .\/snapshot.pl backup\/pighead \u5373\u53ef\uff0c\u9810\u8a2d\u662f\u4fdd\u755932\u5929\u5167\u7684\u9010\u65e5\u5099\u4efd\uff0c12\u500b\u6708\u5167\u6bcf\u6708\u4fdd\u7559\u4e00\u4efd\uff0c\u4e00\u5e74\u5167\u4fdd\u7559\u4e00\u4efd\uff0c\u5982\u679c\u4e0d\u60f3\u7167\u9810\u8a2d\u7684\u8a71\uff0c\u5f8c\u9762\u53ef\u4ee5\u52a0\u53c3\u6578 D-M-Y (\u65e5-\u6708-\u5e74)\uff0c\u9019\u500b\u6578\u5b57\u5305\u542b\u7576\u65e5\/\u6708\/\u5e74\uff0c\u4f8b\u5982\u8981\u4fdd\u7559\u4e09\u5929\u5167\u3001\u4e00\u6708\u5167\u3001\u4e8c\u5e74\u5167\uff1a # .\/snapshot.pl&hellip; <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[4547,4591,177,98,107],"class_list":["post-2118","post","type-post","status-publish","format-standard","hentry","category-freebsd","tag-backup","tag-freebsd","tag-perl","tag-time-machine","tag-zfs"],"_links":{"self":[{"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/posts\/2118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/comments?post=2118"}],"version-history":[{"count":6,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/posts\/2118\/revisions"}],"predecessor-version":[{"id":2124,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/posts\/2118\/revisions\/2124"}],"wp:attachment":[{"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/media?parent=2118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/categories?post=2118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.pighead.cc\/whsyu\/wp-json\/wp\/v2\/tags?post=2118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}