Nathan Butcher <n-butcher_at_fusiongol.com> writes: > My system is amd64 with 2GB of RAM, four 500GB drives connected to my > Promise SATA300 TX4 card in a raidz1 pool. For testing purposes, I have > created a volume in my zpool, which houses a UFS file system created and > accessed via GELI. I then use samba to copy data to and from the volume > on another machine. > > While writing data to my volume, I am getting erratic CKSUM errors being > "discovered" coming from my ZFS raidz1 (a look at zpool status after the > write confirms this), and scrubbing the zpool just seems to discover > more CKSUM errors. "zpool status" is telling me to replace some of my > disks. This never happened before. There is a known problem with Promise controllers and ZFS, probably related to ATA_FLUSHCACHE. The only known solution is to switch to a non-Promise controller - Intel ICH works fine. The ata maintainer is aware of the issue but doesn't seem interested in fixing it. DES -- Dag-Erling Smørgrav - des_at_des.noReceived on Thu Jul 26 2007 - 07:44:00 UTC
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