[linux-lvm] snapshots of busy ext2 file system corrupt

[Marc MERLIN]

On Tue, Feb 26, 2002 at 02:27:31PM -0700, Andreas Dilger wrote:
> Well, in many cases, data=ordered is actually faster than data=writeback
> because you get all of your journal I/O finished before you start writing
> to the FS.  In some cases (e.g. mail spool, NFS) it is faster to have
> data=journal for the same reason (because sync I/O is very fast when it
> is written to the journal).

I had heard about data=journal on mail spools, but does anyone have a
pointer with more performance comparisons between all 3?

Thanks,
Marc
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