On Feb 8, 2012, at 9:22 PM, Mark wrote:
> Just checking to see if people are having success with storage daemon running
> on FreeBSD 9.0 with ZFS and compression enabled? I ask because I'm having
> issues with the backups completing without any errors reported, but then an
> immediate restore attempt fails due to block checksum mismatches, or trying
> something like 'bls -j -v -V Full-0079 FileStorage1' will fail and exit with
> a block checksum mismatch.
>
> The pool is a raidz1 made up of 5 1.5TB drives. I can run a scrub, get a
> clean result, run a backup, then have a restore from that backup fail (only
> for larger backups, small ones seem fine). A scrub run after that will also
> report errors, usually 1 or 2 out of roughly 600GB of data, and it will show
> them as repaired. I'm just trying to determine if I'm being bitten by the
> SATA controller, it's an ' <ATI IXP700 AHCI SATA controller>' and I have to
> set the storage type to IDE instead of AHCI and set 'hint.ahci.0.msi=0' in
> loader.conf or the system can't even see the drives. Or maybe what I'm
> trying here is a bad idea? I'd just like the compression without the
> overhead and slowdown on the clients that comes from enabling compression in
> the fileset. I'm a FreeBSD neophyte, is the SATA/AHCI stuff just not good
> yet or would much better results be likely with a newer board/controller?
I'm running FreeBSD 8.2 with ZFS and compression enabled. No problems.
If you haven't already, start talking on the FreeBSD lists.
I also recommend trying a backup to a non-compressed area of your system.
--
Dan Langille - http://langille.org
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