{"id":122,"date":"2018-03-10T15:14:09","date_gmt":"2018-03-10T07:14:09","guid":{"rendered":"http:\/\/www.max-shu.com\/blog\/?p=122"},"modified":"2018-03-10T15:14:09","modified_gmt":"2018-03-10T07:14:09","slug":"rhel6%e4%b8%8bext4%e6%96%87%e4%bb%b6%e7%b3%bb%e7%bb%9f%e7%9a%84%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"http:\/\/www.max-shu.com\/blog\/?p=122","title":{"rendered":"RHEL6\u4e0bext4\u6587\u4ef6\u7cfb\u7edf\u7684\u53c2\u6570"},"content":{"rendered":"<div>\u5728\/etc\/fstab\u91cc\u9762\u4e3aext4\u683c\u5f0f\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e\u53c2\u6570\u3002<\/div>\n<div>#vi \/etc\/fstab<\/div>\n<div>LABEL=\/ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ext4 \u00a0 \u00a0extents,mballoc,delalloc,barrier=1,data=writeback,noatime,nodiratime,acl,user_xattr\u00a0\u00a0 \u00a0 \u00a0 \u00a01 1<\/div>\n<div><\/div>\n<div><b>\u53c2\u6570\u8bf4\u660e\uff1a<\/b><\/div>\n<div>extents\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u8fde\u7eed\u7269\u7406\u5757\u5206\u914d\uff0c\u6700\u5927\u53ef\u5230128MB\u7684\u8fde\u7eed\u5757\uff0c\u53ef\u4ee5\u589e\u52a0\u5927\u6587\u4ef6\u6027\u80fd\uff0c\u51cf\u5c11\u788e\u7247\u3002<br \/>\nnoextents\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u4e0d\u7528extents\u3002<br \/>\nmballoc\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u591a\u4e2a\u5757\u540c\u65f6\u5206\u914d\uff0c\u53ef\u4ee5\u51cf\u5c11\u5757\u7684\u5206\u914d\u6b21\u6570\uff0c\u8fd9\u4e2a\u9700\u8981\u6587\u4ef6\u7cfb\u7edf\u7684\u5ef6\u65f6\u5206\u914d\u88ab\u4f7f\u80fd\u3002<br \/>\nnomballoc\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u4e0d\u7528mballoc\u3002<br \/>\ndelalloc\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u5ef6\u65f6\u5206\u914d\uff0c\u53ef\u4ee5\u8ddfmballoc\u914d\u5408\u4f7f\u7528\u3002<br \/>\nnodelalloc\u00a0\u00a0\u00a0\u00a0 \uff1a\u4e0d\u7528delalloc\u3002<br \/>\nbarrier=1\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext4\u9ed8\u8ba4\u542f\u7528\uff0cext3\u9ed8\u8ba4\u5173\u95ed\uff0c0\u4e3a\u5173\u95ed\uff0c1\u4e3a\u542f\u7528\u3002<br \/>\ndata=journal\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u8fd9\u91cc\u4e0d\u63cf\u8ff0\u3002<br \/>\ndata=ordered\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u8fd9\u91cc\u4e0d\u63cf\u8ff0\u3002<br \/>\ndata=writeback \uff1aext3\u5c31\u6709\u7684\uff0c\u8fd9\u91cc\u4e0d\u63cf\u8ff0\u3002<br \/>\natime\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u4fdd\u5b58\u8bbf\u95ee\u65f6\u95f4\uff0c\u9ed8\u8ba4\u4f7f\u7528\u3002<br \/>\nnoatime\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u4e0d\u7528atime\u3002<br \/>\ndiratime\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u4fdd\u5b58\u76ee\u5f55\u8bbf\u95ee\u65f6\u95f4\u3002<br \/>\nnodiratime\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u4e0d\u7528diratime\u3002<br \/>\ncommit=nrsec\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u51e0\u79d2\u949f\u5411\u786c\u76d8\u540c\u6b65\u6570\u636e\u548c\u5143\u6570\u636e\u3002<br \/>\norlov\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u7f3a\u7701\u542f\u7528\u3002<br \/>\noldalloc\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u7528\u8001\u5206\u914d\u65b9\u6cd5\u800c\u4e0d\u7528orlov\u5206\u914d\uff0c\u6027\u80fd\u4f1a\u5dee\u70b9\u3002<br \/>\nuser_xattr\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u4f7f\u7528\u6269\u5c55\u7528\u6237\u5c5e\u6027\u3002\u5185\u6838\u9700\u8981\u652f\u6301CONFIG_EXT3_FS_XATTR\uff0cext4\u7684\u5185\u6838\u4e00\u5b9a\u652f\u6301\u3002<br \/>\nnouser_xattr\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u4e0d\u7528user_xattr\u3002<br \/>\nacl\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u4f7f\u7528\u8bbf\u95ee\u63a7\u5236\u5217\u8868\u3002\u5185\u6838\u9700\u8981\u652f\u6301CONFIG_EXT3_FS_POSIX_ACL\uff0cext4\u7684\u5185\u6838\u4e00\u5b9a\u652f\u6301\u3002<br \/>\nnoacl\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u4e0d\u7528noacl\u3002<br \/>\nbsddf\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u8c61bsd\u7684df\u547d\u4ee4\u3002<br \/>\nminixdf\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u8c61Minix\u7684df\u547d\u4ee4\u3002<br \/>\nbh\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u4f7f\u7528buffer heads\uff0c\u53ef\u4ee5\u7f13\u5b58\u5757\u6620\u5c04\u4fe1\u606f\uff0c\u63d0\u4f9b\u987a\u5e8f\u4fdd\u8bc1\u3002<br \/>\nnobh\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1aext3\u5c31\u6709\u7684\uff0c\u4e0d\u7528nobh\u3002<br \/>\njournal_dev=devnum \uff1aext3\u5c31\u6709\u7684\uff0c\u8bbe\u7f6ejournal\u8bbe\u5907\u7684\u4e3b\u4ece\u8bbe\u5907\u53f7\u3002<\/p>\n<p>\u7528ext4\u7684\u8bdd\uff0c\u5728fstab\u91cc\u9762\u9664\u4e86\u7528defaults\u65b9\u5f0f\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528extents,mballoc,delalloc,barrier=1,data=writeback,noatime,nodiratime,acl,user_xattr\u6765\u63d0\u9ad8\u786c\u76d8\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\/etc\/fstab\u91cc\u9762\u4e3aext4\u683c\u5f0f\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e\u53c2\u6570\u3002 #vi \/etc\/fstab LABEL=\/ \u00a0  &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[88,9,89],"class_list":["post-122","post","type-post","status-publish","format-standard","hentry","category-linuxandroid","tag-ext4","tag-linux","tag-89"],"views":2615,"_links":{"self":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/122","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=122"}],"version-history":[{"count":1,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/122\/revisions"}],"predecessor-version":[{"id":123,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/122\/revisions\/123"}],"wp:attachment":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=122"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}