Re: [Jfs-discussion] md raid + jfs + jfs_fsck

[Christoph Hellwig]

On Wed, Jan 28, 2004 at 10:24:14AM +0100, venom@xxxxxx wrote:
> In most situation to create a new FS on a RAID1 MD is not an option.
> It happens that you have to mirror a partition, maybe alarge one, and it
> already had a filesystem on top of it. Then what should you do?
> backup, mirror and then restore? Sometimes it is not possible this too.
> Then you accept to deal with the possible problems...

Then you need to shrink the filesystem.  As long as the space isn't used
yet it's rather trivial for most ondisk formats, but you absolutely need
to do it to be safe.

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