Run with -fn. It is non destructive. Also use the latest fsck. 1.4.4 I believe.
On Feb 18, 2011, at 8:46 AM, Werner Flamme <werner.flamme at ufz.de>
wrote:
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> Hi everyone,
>
> simple question: how can I execute a "fsck.ocfs2 /dev/sdf"?
>
> All I get is
>
> - ---snip---
> myhost:~ # fsck.ocfs2 /dev/sdf
> fsck.ocfs2 1.4.3
> Checking OCFS2 filesystem in /dev/sdf:
> Label: SAP01
> UUID: 5969C8CABB854F8EA9C17B5B8DE48EC6
> Number of blocks: 183500800
> Block size: 4096
> Number of clusters: 183500800
> Cluster size: 4096
> Number of slots: 15
>
> fsck.ocfs2: extent_tree.c:435: ocfs2_new_path: Assertion
> `root_el->l_tree_depth < 5' failed.
> - ---pins---
>
> My fsck.ocfs2 knows those options:
> Usage: fsck.ocfs2 [ -fGnuvVy ] [ -b superblock block ]
> [ -B block size ] [-r num] device
>
> Critical flags for emergency repair:
> -n Check but don't change the file system
> -y Answer 'yes' to all repair questions
> -f Force checking even if file system is clean
> -F Ignore cluster locking (dangerous!)
> -r restore backup superblock(dangerous!)
>
> Less critical flags:
> -b superblock Treat given block as the super block
> -B blocksize Force the given block size
> -G Ask to fix mismatched inode generations
> -u Access the device with buffering
> -V Output fsck.ocfs2's version
> -v Provide verbose debugging output
>
> Will a -f damage the file system?
>
> This error occurs since a colleague tried to set up an additional volume
> for the cluster.
>
> Regards,
> Werner
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