#xfs_repair -n /dev/mapper/enc-a Phase 1 - find and verify superblock... bad primary superblock - bad magic number !!! Maybe the crypto setup failed and /dev/mapper/enc-a has not been decrypted. What does $ dd if=/dev/mapper/enc-a bs=1k count=20 | less or $ dd if=/dev/ma...
Phase1-findandverifysuperblock... bad primary superblock - bad magic number!!!attempting tofindsecondary superblock... ... 执行一会儿后… verified secondary superblock... writing modified primary superblock sb realtime bitmap inode18446744073709551615(NULLFSINO) inconsistentwithcalculated value65resetting ...
[22597379.624372] XFS (vdb1): SB validate failed 4. 恢复superblock [root@localhost ~]# xfs_repair /dev/vdb1 Phase 1 - find and verify superblock... bad primary superblock - bad magic number !!! attempting to find secondary superblock... ...found candidate secondary superblock... verified ...
4. 恢复superblock [root@localhost ~]# xfs_repair /dev/vdb1 Phase 1 - find and verify superblock... bad primary superblock - bad magic number !!! attempting to find secondary superblock... ...found candidate secondary superblock... verified secondary superblock... writing modified primary supe...
XFS_SB_VERSION_MOREBITSBIT 如果superblock中的sb_features2字段包含更多标志,则设定此标志。 如果这个值的低 4 位数字是 5,那么意味着这是一个 v5 版本的文件系统。在 sb_features2 中需要设定 XFS_SB_VERSION2_CRCBIT 特性。 sb_sectsize:指定了底层硬盘扇区的字节大小,一般是 512 或 4096 字节。这个值主...
mount: 文件系统类型错误、选项错误 上有坏超级块、缺少代码页或助手程序，或其他错误(对某些文件系统(如 nfs、cifs) 您可能需要一款 /sbin/mount.<类型> 助手程序)有些情况下在 syslog 中可以找到一些有用信息- 请尝试dmesg | tail 这样的命令看看 ...
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. Should the primary be too corrupted to be useful in locating the ...
Directory checks: bad magic numbers in directory blocks, incorrect number of entries in a directory block, bad freespace information in a directory leaf block, entry pointing to an unallocated (free) or out of range inode, overlapping entries, missing or incorrect dot and dotdot entries, entries...
Raw kernel: XFS (sdb): Invalid superblock magic number Environment Red Hat Enterprise Linux xfs Subscriber exclusive content A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more. Current Customers and Partners ...
Should the primary be too corrupted to be useful in locating the secondary superblocks, the program scans the filesystem until it finds and validates some secondary superblocks. At that point, it generates a primary superblock. XFS有主要和次要两个超级块。xfs_respair处理修复前,用主要超级块里的信...