Re: [ANNOUNCE] Ext3 vs Reiserfs benchmarks

Andreas Dilger (adilger@clusterfs.com)
Wed, 17 Jul 2002 13:02:59 -0600


On Jul 17, 2002 13:45 +0200, Matthias Andree wrote:
> On Tue, 16 Jul 2002, Shawn wrote:
> > In this case, can you use a RAID mirror or something, then break it?
> >
> > Also, there's the LVM snapshot at the block layer someone already
> > mentioned, which when used with smaller partions is less overhead.
> > (less FS delta)
>
> All these "solutions" don't work out, I cannot remount R/O my partition,
> and LVM low-level snapshots or breaking a RAID mirror simply won't work
> out. I would have to remount r/o the partition to get a consistent image
> in the first place, so the first step must fail already...

Have you been reading my emails at all? LVM snapshots DO ensure that
the snapshot filesystem is consistent for journaled filesystems.

Cheers, Andreas

--
Andreas Dilger
http://www-mddsp.enel.ucalgary.ca/People/adilger/
http://sourceforge.net/projects/ext2resize/

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