{"id":769,"date":"2021-09-17T16:22:34","date_gmt":"2021-09-17T08:22:34","guid":{"rendered":"http:\/\/www.danios.com\/?p=769"},"modified":"2021-12-20T10:42:23","modified_gmt":"2021-12-20T02:42:23","slug":"linuxfilesystem-btrfs","status":"publish","type":"post","link":"https:\/\/www.oceansource.cc\/?p=769","title":{"rendered":"29\u3001btrfs\u6587\u4ef6\u7cfb\u7edf\u7b80\u4ecb"},"content":{"rendered":"\n<p>29.1 Btrfs(B-tree,Butter FS,Better FS)<\/p>\n\n\n\n<p>GPL,Oracle,2007,CoW;ext3\/ext4,xfs<\/p>\n\n\n\n<p>1\u3001\u6838\u5fc3\u7279\u6027\uff1a<\/p>\n\n\n\n<p>\u591a\u7269\u7406\u5377\u652f\u6301\uff1abtrfs\u53ef\u7531\u591a\u4e2a\u5e95\u5c42\u7269\u7406\u5377\u7ec4\u6210\uff1b\u652f\u6301RAID\uff0c\u4ee5\u201d\u8054\u673a\u6dfb\u52a0\u201c\uff0c\u201c\u79fb\u9664\u201d\uff0c\u201c\u4fee\u6539\u201d\uff1b<\/p>\n\n\n\n<p>\u5199\u65f6\u590d\u5236\u66f4\u65b0\u673a\u5236\uff08CoW\uff09\uff1a\u590d\u5236\u3001\u66f4\u65b0\u53ca\u66ff\u6362\u6307\u9488\uff0c\u800c\u975e\u201c\u5c31\u5730\u201d\u66f4\u65b0<\/p>\n\n\n\n<p>\u6570\u636e\u53ca\u5143\u6570\u636e\u6821\u9a8c\u7801\uff1achecksum<\/p>\n\n\n\n<p>\u5b50\u5377\uff1asub_volume<\/p>\n\n\n\n<p>\u5feb\u7167\uff1a\u652f\u6301\u5feb\u7167\u7684\u5feb\u7167<\/p>\n\n\n\n<p>\u900f\u660e\u538b\u7f29<\/p>\n\n\n\n<p>2\u3001\u6587\u4ef6\u7cfb\u7edf\u521b\u5efa\uff1a<\/p>\n\n\n\n<p>mkfs.btrfs<\/p>\n\n\n\n<p>-L &#8216;LABEL&#8217;<\/p>\n\n\n\n<p>-d &lt;type&gt;: raid0.raid1,raid5,raid6,raid10,single<\/p>\n\n\n\n<p>-m &lt;profile&gt;:raid0,raid1,raid5,raid6,raid10,single,dup<\/p>\n\n\n\n<p>\u5c5e\u6027\u67e5\u770b\uff1a<\/p>\n\n\n\n<p>btrfs filesystem show<\/p>\n\n\n\n<p>\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\uff1a<\/p>\n\n\n\n<p>mount -t btrfs \/dev\/sdb MOUNT_POINT<\/p>\n\n\n\n<p>\u900f\u660e\u538b\u7f29\u673a\u5236\uff1a<\/p>\n\n\n\n<p>mount -o compress={lzo|zlib} DEVICE MOUNT_POINT<\/p>\n\n\n\n<p>3\u3001\u5b50\u547d\u4ee4\uff1afilesystem,device,balance,subvolume<\/p>\n\n\n\n<p>btrfs-convert\uff1a\u5c06ext\u6587\u4ef6\u7cfb\u7edf\u8f6c\u6362\u4e3abtrfs\u6216\u8005\u5c06btrfs\u8f6c\u6362\u4e3aext\u6587\u4ef6\u7cfb\u7edf<\/p>\n","protected":false},"excerpt":{"rendered":"<p>29.1 Btrfs(B-tree,Butter FS,Better FS) GPL,Oracle,2007, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-769","post","type-post","status-publish","format-standard","hentry","category-linux"],"aioseo_notices":[],"views":95,"_links":{"self":[{"href":"https:\/\/www.oceansource.cc\/index.php?rest_route=\/wp\/v2\/posts\/769","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oceansource.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oceansource.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oceansource.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oceansource.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=769"}],"version-history":[{"count":1,"href":"https:\/\/www.oceansource.cc\/index.php?rest_route=\/wp\/v2\/posts\/769\/revisions"}],"predecessor-version":[{"id":771,"href":"https:\/\/www.oceansource.cc\/index.php?rest_route=\/wp\/v2\/posts\/769\/revisions\/771"}],"wp:attachment":[{"href":"https:\/\/www.oceansource.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oceansource.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=769"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oceansource.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}