{"id":251,"date":"2009-07-21T23:29:38","date_gmt":"2009-07-21T15:29:38","guid":{"rendered":"http:\/\/www.yaoge123.com\/blog\/?p=251"},"modified":"2009-07-21T23:29:38","modified_gmt":"2009-07-21T15:29:38","slug":"freebsd%e4%b8%8bzfs-mirror%e5%8d%87%e9%99%8d%e7%ba%a7%e3%80%81%e7%a1%ac%e7%9b%98%e6%9b%bf%e6%8d%a2%e5%92%8c%e5%9c%a8%e7%ba%bf%e5%a2%9e%e5%ae%b9%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/www.yaoge123.com\/blog\/archives\/251","title":{"rendered":"FreeBSD\u4e0bZFS mirror\u5347\u964d\u7ea7\u3001\u786c\u76d8\u66ff\u6362\u548c\u5728\u7ebf\/\u79bb\u7ebf\u6269\u5bb9\u5b9e\u8df5"},"content":{"rendered":"

\u521b\u5efa\u4e00\u4e2a\u975e\u5197\u4f59\u7684ZFS pool
\ntest# zpool create zfspool da1
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 110K 7.94G 0% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\n scrub: none requested
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n da1 ONLINE 0 0 0<\/p>\n

errors: No known data errors<\/p>\n

\u589e\u52a0\u4e00\u4e2a\u76d8\uff0c\u5347\u7ea7\u4e3a\u53cc\u8defmirror
\ntest# zpool attach zfspool da1 da2
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 112K 7.94G 0% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\n scrub: resilver completed with 0 errors on Tue Jul 21 21:24:27 2009
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n da1 ONLINE 0 0 0
\n da2 ONLINE 0 0 0<\/p>\n

errors: No known data errors<\/p>\n

\u5982\u679c\u60f3\u76f4\u63a5\u5efa\u7acb\u4e00\u4e2a\u53cc\u8defmirror\u7684ZFS pool\u7528
\ntest# zpool create zfspool mirror da1 da2<\/p>\n

\u518d\u589e\u52a0\u4e00\u4e2a\u76d8\uff0c\u5347\u7ea7\u4e3a\u4e09\u8defmirror
\ntest# zpool attach zfspool da1 da3
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 112K 7.94G 0% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\n scrub: resilver completed with 0 errors on Tue Jul 21 21:24:40 2009
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n da1 ONLINE 0 0 0
\n da2 ONLINE 0 0 0
\n da3 ONLINE 0 0 0<\/p>\n

errors: No known data errors<\/p>\n

\u5220\u9664\u4e00\u4e2a\u76d8\uff0c\u964d\u7ea7\u4e3a\u53cc\u8defmirror
\ntest# zpool detach zfspool da3
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 111K 7.94G 0% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\n scrub: resilver completed with 0 errors on Tue Jul 21 21:24:40 2009
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n da1 ONLINE 0 0 0
\n da2 ONLINE 0 0 0<\/p>\n

errors: No known data errors<\/p>\n

\u76f4\u63a5\u62d4\u6389\u4e00\u4e2a\u786c\u76d8
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 3.97G 3.97G 49% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\nstatus: One or more devices could not be opened. Sufficient replicas exist for
\n the pool to continue functioning in a degraded state.
\naction: Attach the missing device and online it using ‘zpool online’.
\n see: http:\/\/www.sun.com\/msg\/ZFS-8000-D3
\n scrub: resilver completed with 0 errors on Tue Jul 21 21:24:40 2009
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n da1 ONLINE 0 0 0
\n da2 UNAVAIL 0 0 0 cannot open<\/p>\n

errors: No known data errors
\nZFS\u8ba4\u4e3a\u786c\u76d8da2\u79bb\u7ebf\uff0c\u5f3a\u5236\u4e0a\u7ebf\u4e00\u4e0b
\ntest# zpool online zfspool da2
\nBringing device da2 online
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 3.97G 3.97G 49% DEGRADED –
\ntest# zpool status
\n pool: zfspool
\n state: DEGRADED
\nstatus: One or more devices could not be opened. Sufficient replicas exist for
\n the pool to continue functioning in a degraded state.
\naction: Attach the missing device and online it using ‘zpool online’.
\n see: http:\/\/www.sun.com\/msg\/ZFS-8000-D3
\n scrub: resilver completed with 0 errors on Tue Jul 21 21:51:48 2009
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool DEGRADED 0 0 0
\n mirror DEGRADED 0 0 0
\n da1 ONLINE 0 0 0
\n da2 UNAVAIL 0 0 0 cannot open<\/p>\n

errors: No known data errors<\/p>\n

\u628a\u62d4\u6389\u7684\u76d8\u6e05\u7a7a\u518d\u63d2\u56de\u53bb
\ntest# zpool online zfspool da2
\nBringing device da2 online
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 3.97G 3.97G 49% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\nstatus: One or more devices could not be used because the label is missing or
\n invalid. Sufficient replicas exist for the pool to continue
\n functioning in a degraded state.
\naction: Replace the device using ‘zpool replace’.
\n see: http:\/\/www.sun.com\/msg\/ZFS-8000-4J
\n scrub: resilver completed with 0 errors on Tue Jul 21 21:59:39 2009
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n da1 ONLINE 0 0 0
\n da2 UNAVAIL 0 0 0 corrupted data<\/p>\n

errors: No known data errors
\n\u5e94\u8be5\u76f4\u63a5\u4f7f\u7528zpool replace\u6765\u66ff\u6362\u574f\u6389\u7684\u76d8
\ntest# zpool replace zfspool da2
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 3.97G 3.97G 49% DEGRADED –
\ntest# zpool status
\n pool: zfspool
\n state: DEGRADED
\nstatus: One or more devices is currently being resilvered. The pool will
\n continue to function, possibly in a degraded state.
\naction: Wait for the resilver to complete.
\n scrub: resilver in progress, 2.06% done, 0h9m to go
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool DEGRADED 0 0 0
\n mirror DEGRADED 0 0 0
\n da1 ONLINE 0 0 0
\n replacing DEGRADED 0 0 0
\n da2\/old UNAVAIL 0 0 0 cannot open
\n da2 ONLINE 0 0 0<\/p>\n

errors: No known data errors
\n\u7b49\u5f85\u6570\u636e\u6062\u590d\u5b8c\u6210\uff0cpool\u5c31\u6062\u590d\u6b63\u5e38\u4e86
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 3.97G 3.97G 49% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\n scrub: resilver completed with 0 errors on Tue Jul 21 22:11:41 2009
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n da1 ONLINE 0 0 0
\n da2 ONLINE 0 0 0<\/p>\n

errors: No known data errors<\/p>\n

\u7528\u66f4\u5927\u7684da3\u3001da4\u66ff\u6362\u5c0f\u7684da1\u3001da2
\ntest# zpool replace zfspool da1 da3
\ntest# zpool replace zfspool da2 da4
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 3.97G 3.97G 49% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\nstatus: One or more devices is currently being resilvered. The pool will
\n continue to function, possibly in a degraded state.
\naction: Wait for the resilver to complete.
\n scrub: resilver in progress, 2.50% done, 0h10m to go
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n replacing ONLINE 0 0 0
\n da1 ONLINE 0 0 0
\n da3 ONLINE 0 0 0
\n replacing ONLINE 0 0 0
\n da2 ONLINE 0 0 0
\n da4 ONLINE 0 0 0<\/p>\n

errors: No known data errors
\n\u56e0\u66ff\u6362\u786c\u76d8\uff0c\u6240\u4ee5\u9700\u5c06\u6570\u636e\u4ece\u65e7\u786c\u76d8\u590d\u5236\u5230\u65b0\u786c\u76d8\u4e0a\uff0c\u5b8c\u6210\u540e\u5bb9\u91cf\u6ca1\u6709\u589e\u52a0
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 3.97G 3.97G 49% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\n scrub: resilver completed with 0 errors on Tue Jul 21 22:36:43 2009
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n da3 ONLINE 0 0 0
\n da4 ONLINE 0 0 0<\/p>\n

errors: No known data errors
\n\u9700\u8981\u5bfc\u5165\u5bfc\u51fapool\u624d\u80fd\u67e5\u770b\u589e\u52a0\u7684\u5bb9\u91cf
\ntest# zpool export -f zfspool
\ntest# zpool import zfspool
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 11.9G 3.97G 7.97G 33% ONLINE –<\/p>\n

\u90a3\u4e48\u5982\u4f55\u624d\u80fd\u5728\u7ebf\u6269\u5bb9\u5462\uff1f\u9700\u8981\u9996\u5148detach\u5230\u975emirror\uff0creplace\u5b9e\u73b0\u5728\u7ebf\u6269\u5bb9\uff0c\u7136\u540e\u5728attach\u5230mirror
\n\u5220\u9664zfspool\uff0c\u91cd\u65b0\u5efa\u7acb\u505a\u4e00\u6b21
\ntest# zpool destroy zfspool
\ntest# zpool create zfspool mirror da1 da2
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 454M 7.49G 5% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\n scrub: none requested
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n da1 ONLINE 0 0 0
\n da2 ONLINE 0 0 0<\/p>\n

errors: No known data errors<\/p>\n

\u964d\u7ea7\u5e76\u66ff\u6362
\ntest# zpool detach zfspool da2
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 454M 7.49G 5% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\n scrub: none requested
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n da1 ONLINE 0 0 0<\/p>\n

errors: No known data errors
\ntest# zpool replace zfspool da1 da3
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 7.94G 454M 7.49G 5% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\nstatus: One or more devices is currently being resilvered. The pool will
\n continue to function, possibly in a degraded state.
\naction: Wait for the resilver to complete.
\n scrub: resilver in progress, 48.54% done, 0h0m to go
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n replacing ONLINE 0 0 0
\n da1 ONLINE 0 0 0
\n da3 ONLINE 0 0 0<\/p>\n

errors: No known data errors<\/p>\n

\u66ff\u6362\u5b8c\u6210\u540e\u5bb9\u91cf\u589e\u5927
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 11.9G 454M 11.5G 3% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\n scrub: resilver completed with 0 errors on Tue Jul 21 23:26:01 2009
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n da3 ONLINE 0 0 0<\/p>\n

errors: No known data errors<\/p>\n

\u5347\u7ea7\u5230mirror
\ntest# zpool attach zfspool da3 da4
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 11.9G 454M 11.5G 3% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\nstatus: One or more devices is currently being resilvered. The pool will
\n continue to function, possibly in a degraded state.
\naction: Wait for the resilver to complete.
\n scrub: resilver in progress, 45.43% done, 0h0m to go
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n da3 ONLINE 0 0 0
\n da4 ONLINE 0 0 0<\/p>\n

errors: No known data errors<\/p>\n

\u5347\u7ea7\u5b8c\u6210
\ntest# zpool list
\nNAME SIZE USED AVAIL CAP HEALTH ALTROOT
\nzfspool 11.9G 454M 11.5G 3% ONLINE –
\ntest# zpool status
\n pool: zfspool
\n state: ONLINE
\n scrub: resilver completed with 0 errors on Tue Jul 21 23:29:13 2009
\nconfig:<\/p>\n

NAME STATE READ WRITE CKSUM
\n zfspool ONLINE 0 0 0
\n mirror ONLINE 0 0 0
\n da3 ONLINE 0 0 0
\n da4 ONLINE 0 0 0<\/p>\n

errors: No known data errors<\/p>\n

\u5982\u679cattache\u7684\u786c\u76d8\u5c0f\u662f\u4e0d\u4f1a\u6210\u529f\u7684
\ntest# zpool attach zfspool da3 da1
\ncannot attach da1 to da3: device is too small<\/p>\n","protected":false},"excerpt":{"rendered":"

\u521b\u5efa\u4e00\u4e2a\u975e\u5197\u4f59\u7684ZFS pool test# zpool create zfspool da1 test# z […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[15],"tags":[210,69],"class_list":["post-251","post","type-post","status-publish","format-standard","hentry","category-freebsd","tag-freebsd","tag-zfs"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paOwEq-43","_links":{"self":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/comments?post=251"}],"version-history":[{"count":0,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/251\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/media?parent=251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/categories?post=251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/tags?post=251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}