错误信息“xfs_repair sorry, could not find valid secondary superblock”表明在使用xfs_repair工具尝试修复XFS文件系统时,工具未能找到有效的次级超级块(secondary superblock)。XFS文件系统使用超级块(primary superblock)和多个次级超级块来存储文件系统的元数据,次级超级块是超级块的备份,用于在主超级块损坏时恢复文件...
硬盘设备是由大量的扇区组成，每个扇区容量512字节，第一扇区最为重要，保存主引导记录和分区表信息。分别...
If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device> 参考大神博客:恢复xfs文件系统superblock实验 phase l - find ...
XFS XfS文件系统是SGI开发的高级日志文件系统，XFS极具伸缩性，非常健壮。 主要特性 数据完全性 采用XFS...
Existing files in a valid lost+found are not removed or renamed. Corrupted Superblocks XFS has both primary and secondary superblocks. xfs_repair uses information in the primary superblock to automatically find and validate the primary superblock against the secondary superblocks before proceeding. ...
The primary superblock is not good, and it's trying to find a valid secondary superblock. Doesn't sound promising so far - reapir can't start until a valid superblok is found... Can you dump the first sector of the device the fielsystem is on...
If the log stripe unit is not specified, the stripe unit from the filesystem superblock is used. logres Print transaction reservation size information for each transaction type. This makes it easier to find discrepancies in the reservation calculations between xfsprogs and the kernel, which will ...
Existing files in a valid lost+found are not removed or renamed. Corrupted Superblocks XFS has both primary and secondary superblocks. xfs_repair uses information in the primary superblock to automatically find and validate the primary superblock against the secondary superblocks before proceeding. ...
Check the filesystem even if geometry information could not be validated. Geometry information can not be validated if only a single allocation group exists and thus we do not have a backup superblock available, or if there are two allocation groups and the two superblocks do not agree on the...
(5)fora detaileddescriptionoftheXFSrealtimesection. −n Nomodifymode.Specifiesthatxfs_repairshouldnotmodifythefilesystembutshouldonlyscan thefilesystemandindicatewhatrepairswouldhavebeenmade. −P Disableprefetchingofinodeanddirectoryblocks.Usethisoptionifyoufindxfs_repairgets stuckandstopsproceeding....