{"id":2201,"date":"2021-12-20T14:35:47","date_gmt":"2021-12-20T06:35:47","guid":{"rendered":"https:\/\/www.wjxy.net.cn\/?p=2201"},"modified":"2023-10-04T06:31:47","modified_gmt":"2023-10-03T22:31:47","slug":"%e4%bd%bf%e7%94%a8dmsetup%e5%8d%b8%e8%bd%bdlv%e5%8d%b7%e7%9a%84%e6%98%a0%e5%b0%84","status":"publish","type":"post","link":"https:\/\/www.wjxy.net.cn\/?p=2201","title":{"rendered":"\u4f7f\u7528DMsetup\u5378\u8f7dLV\u5377\u7684\u6620\u5c04"},"content":{"rendered":"<p>dmsetup ls\u663e\u793amapper\u4fe1\u606f<\/p>\n<p>dmsetup remove XXX\u00a0 \u00a0\u5220\u9664mapper\u5173\u7cfb<\/p>\n<p>dmsetup remove_all<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/p>\n<p>dmsetup\u547d\u4ee4<\/p>\n<p>\u663e\u793a\u5f53\u524d\u7684device mapper\u7684\u4fe1\u606f<\/p>\n<p>dmsetup ls<\/p>\n<p>dmsetup info<\/p>\n<p>dmsetup status<\/p>\n<p>\u663e\u793a\u8bbe\u5907\u7684\u4f9d\u8d56\u5173\u7cfb<\/p>\n<p>dmsetup deps<\/p>\n<p>sda4_crypt: 1 dependencies : (8, 4)<br \/>\nvg_richard-lv_home: 1 dependencies : (253, 0)<br \/>\nvg_richard-lv_swap: 1 dependencies : (253, 0)<br \/>\nvg_richard-lv_root: 1 dependencies : (253, 0)<\/p>\n<p>\u518d\u770b\u4e00\u4e0b\/dev\u4e0b\u9762\u7684\u6587\u4ef6<\/p>\n<p>brw-rw&#8212;- 1 root disk 8, 4 2012-09-03 09:16 sda4<\/p>\n<p>brw-rw&#8212;- 1 root disk 253, 0 2012-09-03 09:16 dm-0<br \/>\nbrw-rw&#8212;- 1 root disk 253, 1 2012-09-03 09:16 dm-1<br \/>\nbrw-rw&#8212;- 1 root disk 253, 2 2012-09-03 09:16 dm-2<br \/>\nbrw-rw&#8212;- 1 root disk 253, 3 2012-09-03 09:16 dm-3<\/p>\n<p>\u90a3\u5c31\u662fsda4_crypt\u4f9d\u8d56\u4e8esda4<\/p>\n<p>vg_ricard-lv_home\u4f9d\u8d56\u4e8edm-0<\/p>\n<p>\u663e\u793atable\u4fe1\u606f<\/p>\n<p>dmsetup table<\/p>\n<p>\u521b\u5efa\u4e00\u4e2alinear\u8bbe\u5907<\/p>\n<p>dmsetup create dm-name dm-table<\/p>\n<p>dm-name\u662f\u8981\u521b\u5efa\u7684\u8bbe\u5907\u540d\u5b57\u3002 \u5982\u679c\u6210\u529f\u5c06\u4f1a\u5728\/dev\/mapper\/\u76ee\u5f55\u4e0b \u751f\u6210\u8fd9\u4e2a\u540d\u5b57\u7684\u6587\u4ef6<\/p>\n<p>dm-table\u662f\u4fdd\u5b58\u4e86\u8fd9\u4e2amap device\u7684 mapping table\u3002<\/p>\n<p>\u7b80\u5355\u7684dm-table\u4e00\u4e2a\u4f8b\u5b50\u662f\uff1a<\/p>\n<p>\u8d77\u59cb\u6247\u533a \u6247\u533a\u4e2a\u6570 \u7ebf\u6027\u6620\u5c04 \u76ee\u6807\u8bbe\u5907 \u76ee\u6807\u8bbe\u5907\u4e0a\u7684\u8d77\u59cb\u6247\u533a<\/p>\n<p>0 1025 linear \/dev\/sdb2 0<br \/>\n1025 1025 linear \/dev\/sdc2 0<\/p>\n<p>\u67d0\u4e2ablock\u7684sector\u5927\u5c0f\uff0c\u53ef\u4ee5\u7528 blockdev &#8211;getsize \/dev\/sdb2\u6765\u5f97\u5230\u3002<\/p>\n<p>\u5982\u679c\u662f\u521a\u5206\u533a\u7684\u76d8\uff0c\u9700\u8981\u7528partprobe\u6765\u66f4\u65b0\u4e00\u4e0b\u3002<\/p>\n<p>\u67e5\u770blinear\u8bbe\u5907\u7684\u5199\u5165\u987a\u5e8f<\/p>\n<p>\u5c06\u65b0\u751f\u6210\u7684\u8bbe\u5907\u521b\u5efa\u6587\u4ef6\u7cfb\u7edf\uff0cmount\u5230\u67d0\u4e2a\u76ee\u5f55\u3002<\/p>\n<p>cd\u5230\u8fd9\u4e2a\u76ee\u5f55\u4e0b\uff0c\u8fd0\u884c<\/p>\n<p>dd if=\/dev\/zero of=test<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u5c06\u4e00\u76f4\u8fd0\u884c\u5230\u5199\u6ee1\u78c1\u76d8\u3002<\/p>\n<p>\u5728\u8fd0\u884c\u4e4b\u524d\u53ef\u4ee5\u8fd0\u884c<\/p>\n<p>watch -n 1 iostat \/dev\/sdb2 \/dev\/sdc2<\/p>\n<p>\u6765\u89c2\u5bdf\u78c1\u76d8\u7684\u8bfb\u5199\u60c5\u51b5\u3002<\/p>\n<p>\u53ef\u4ee5\u53d1\u73b0 \u5199\u5165\u7684\u8fc7\u7a0b\u662f\uff0c\u5148\u5199\u5165\u5230\/dev\/sdb2\uff0c\u518d\u5199\u5165\u5230\/dev\/sdc2.<\/p>\n<p>\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u548clinear\u7684\u6982\u5ff5\u4e00\u81f4\u7684\u3002<br \/>\n\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<br \/>\n\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3aCSDN\u535a\u4e3b\u300c\u6bd4\u4e0d\u4e86\u5c31\u4e0d\u6bd4\u300d\u7684\u539f\u521b\u6587\u7ae0\uff0c\u9075\u5faaCC 4.0 BY-SA\u7248\u6743\u534f\u8bae\uff0c\u8f6c\u8f7d\u8bf7\u9644\u4e0a\u539f\u6587\u51fa\u5904\u94fe\u63a5\u53ca\u672c\u58f0\u660e\u3002<br \/>\n\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/u012317833\/article\/details\/23275089\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>dmsetup ls\u663e\u793amapper\u4fe1\u606f dmsetup remove XXX\u00a0 \u00a0\u5220\u9664mapper\u5173\u7cfb dm [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/2201"}],"collection":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2201"}],"version-history":[{"count":1,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/2201\/revisions"}],"predecessor-version":[{"id":2202,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=\/wp\/v2\/posts\/2201\/revisions\/2202"}],"wp:attachment":[{"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjxy.net.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}