On Feb 9, 2012, at 10:07 AM, Martin Simmons wrote: >>>>>> On Wed, 8 Feb 2012 20:22:46 -0600, Mark said: >> >> 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 think your ZFS setup should work fine, but I don't know about your specific > hardware. > > You must have hardware problems -- not necessarily in the SATA controller > though. The block checksum mismatches suggest that the wrong data was written > to the disk. > > Have you got EC RAM? Have you run Memtest86?
I run a FreeBSD 9.0 setup with ZFS (8 drives in raidz2). Compression and dedup on. It runs like a champ, no problems at all so far. I'll second the guess that you have hardware problems. ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
