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

[venom]

On Tue, 27 Jan 2004, Christoph Hellwig wrote:
>
> Yes, it does.  But JFS should get the right size from the gendisk anyway.
> Or did you create the raid with the filesystem already existant?  While that
> appears to work for a non-full ext2/ext3 filesystem it's not something you
> should do because it makes the filesystem internal bookkeeping wrong and
> you'll run into trouble with any filesystem sooner or later.
>
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...

Luigi

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