[linux-lvm] snapshots of busy ext2 file system corrupt
Marc MERLIN
marc_lvm at merlins.org
Tue Feb 26 16:32:01 UTC 2002
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
--
Microsoft is to operating systems & security ....
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