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Re: [Linux-cluster] error messages while use fsck.gfs2



On Wed, 16 Nov 2011, Steven Whitehouse wrote:

> The problem is the blocks following that, such as the master directory
> which contains all the system files. If enough of that has been
> destroyed, it would make it very tricky to reconstruct. Even so it might
> be possible depending on exactly which blocks are damaged and what is
> known about the original fs.

Why can't this be mirrored at the end of the partition/fs?

> The real question is how those blocks became overwritten in the first
> place. However, if there is some other process which has overwritten
> part of the disk there is very little that the fs can do,

It's most likely to be something external that's done it, but IMO critical
metadata really should be duplicated elsewhere on the FS to aid recovery.

AB




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