Linux-xfs_repair

目录

1. 语法
2. 作用
3. 参数
4. 使用实例
   1. 对xfs文件系统进行检查

语法

xfs_repair [-fnd] 设备名称

作用

对xfs文件系统进行检查，修复。

参数

• -f
  后面的设备其实是个文件，而不是实体的设备。
• -n
  单纯检查并不修改文件系统的任何数据。
• -d
  通常用在单人维护模式下，针对根目录进行检查修复。

使用实例

对xfs文件系统进行检查

[root@192 ~]# xfs_repair /dev/sdb1
Phase 1 - find and verify superblock...
Phase 2 - using internal log
        - zero log...
        - scan filesystem freespace and inode maps...
        - found root inode chunk
Phase 3 - for each AG...
        - scan and clear agi unlinked lists...
        - process known inodes and perform inode discovery...
        - agno = 0
        - agno = 1
        - agno = 2
        - agno = 3
        - process newly discovered inodes...
Phase 4 - check for duplicate blocks...
        - setting up duplicate extent list...
        - check for inodes claiming duplicate blocks...
        - agno = 0
        - agno = 1
        - agno = 2
        - agno = 3
Phase 5 - rebuild AG headers and trees...
        - reset superblock...
Phase 6 - check inode connectivity...
        - resetting contents of realtime bitmap and summary inodes
        - traversing filesystem ...
        - traversal finished ...
        - moving disconnected inodes to lost+found ...
Phase 7 - verify and correct link counts...
done