标签:dump2fs
文件系统管理
dumpe2fs命令用于打印“ext2/ext3”文件系统的超级块和快组信息。
dumpe2fs(选项)(参数)
-b:打印文件系统中预留的块信息; -ob<超级块>:指定检查文件系统时使用的超级块; -OB<块大小>:检查文件系统时使用的指定的块大小; -h:仅显示超级块信息; -i:从指定的文件系统映像文件中读取文件系统信息; -x:以16进制格式打印信息块成员。
文件系统:指定要查看信息的文件系统。
dumpe2fs 1.39 (29-May-2006) Filesystem volume name: / mounted on: <not available> Filesystem UUID: 845ccd40-1f3b-4729-a63d-cb80f51b082a Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery sparse_super large_file Default options: user_xattr acl Filesystem state: clean Errors behavior: Continue Filesystem OS : Linux Inode count: 5242880 Block count: 5241817 Reserved block count: 262090 blocks: 4434157 Free inodes: 5170836 First block: 0 Block size: 4096 Fragment size: 4096 Reserved GDT blocks: 1022 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 32768 Inode blocks per group: 1024 Filesystem created: Sun Mar 24 02:09:14 2013 Last mount : Thu Aug 1 16:42:07 2013 Last time: Thu Aug 1 16:42:07 2013 Mount count: 10 Maximum mount count: -1 Last checked: Sun Mar 24 02:09:14 2013 Check interval: 0 (<none>) Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 128 Journal inode: 8 First orphan inode: 3735559 Default directory hash: tea Directory Hash Seed: e3f7162e-1194-4161-805d-763db89dbc69 Journal backup: inode blocks Journal size: 128M Group 0: (Blocks 0-32767) Primary superblock 0, Group descriptors at 1-2 Reserved GDT blocks at 3-1024 Block bitmap at 1025 (+1025), Inode bitmap at 1026 (+1026) Inode table at 1027-2050 (+1027) 0 free blocks, 32757 free inodes, 2 directories Free blocks: Free inodes: 12-32768 ...
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标签:dump2fs
原文地址:http://gongxiaoyi.blog.51cto.com/7325139/1682618