RE: ZFS and DMA read error

2009-09-07 Thread Daniel Eriksson
Mark Stapper wrote: Yeah, i did the long SMART selftest three times now, each of which it failed on the same LBA address. I assume 'smartctl -a /dev/adX' reports that the read test failed at LBA XXX something? Why would I want to clear my driver before I run these tests? In this case it's

Re: ZFS and DMA read error

2009-09-07 Thread Mark Stapper
Daniel Eriksson wrote: Mark Stapper wrote: Yeah, i did the long SMART selftest three times now, each of which it failed on the same LBA address. I assume 'smartctl -a /dev/adX' reports that the read test failed at LBA XXX something? Indeed it does. Always with the same LBA

RE: ZFS and DMA read error

2009-09-07 Thread Daniel Eriksson
Mark Stapper wrote: So I see. Could this be why I haven't had any read errors anymore? (After the zpool scrub that is) Possibly, but in that case the SMART selftest should pass also. Have you tried a selftest after you did the scrub? /Daniel Eriksson

Re: ZFS and DMA read error

2009-09-07 Thread Mark Stapper
Daniel Eriksson wrote: Mark Stapper wrote: So I see. Could this be why I haven't had any read errors anymore? (After the zpool scrub that is) Possibly, but in that case the SMART selftest should pass also. Have you tried a selftest after you did the scrub? /Daniel Eriksson

RE: ZFS and DMA read error

2009-09-03 Thread Daniel Eriksson
Mark Stapper wrote: People are REALLY pushing spinrite lately... I did get it though, just to try it. SpinRite is OK but it hasn't been updated in ages. It does not work on large drives. 250GB works, 1TB does not. Haven't tried it on 500GB drives. If I were you I would 'zpool offline ...' the

Re: ZFS and DMA read error

2009-09-03 Thread Mark Stapper
SpinRite is OK but it hasn't been updated in ages. It does not work on large drives. 250GB works, 1TB does not. Haven't tried it on 500GB drives. So it will be useles in... well in this case it IS useles... If I were you I would 'zpool offline ...' the offending drive, rewrite the entire

Re: ZFS and DMA read error

2009-09-03 Thread Arthur Chance
Mark Stapper wrote: [snip] I ordered a spare drive so I'll wait until it arrives, replace the faulty drive with this one by dd-ing data from one to the other (I have only 4 SATA ports so I can't do zpool replace). zpool replace has two forms zpool replace pool old-device new-device

Re: ZFS and DMA read error

2009-09-03 Thread Mark Stapper
Arthur Chance wrote: Mark Stapper wrote: [snip] I ordered a spare drive so I'll wait until it arrives, replace the faulty drive with this one by dd-ing data from one to the other (I have only 4 SATA ports so I can't do zpool replace). zpool replace has two forms zpool replace pool

Re: ZFS and DMA read error

2009-09-01 Thread Mark Stapper
snip 9 identical messages, based on the uncorrectable LBA error Since it's all throwing errors at the same LBA, I'd run a SMART diagnostics on the drive (i think it's port sysutils/smartmontools) and see if it's showing errors too. Looks like a failing/failed drive and I would recommend

ZFS and DMA read error

2009-08-31 Thread Mark Stapper
Good day to you, I'm having a bit of trouble with one of the disks in my zfs raidz1 pool. It's giving me dma read error, and zpool is reporting READ failures. However, data integrity is OK :-) Unfortunately I was in the middle of rearranging my backup media, so I'm backup up everything as we

Re: ZFS and DMA read error

2009-08-31 Thread Tim Judd
On 8/31/09, Mark Stapper st...@mapper.nl wrote: Good day to you, I'm having a bit of trouble with one of the disks in my zfs raidz1 pool. It's giving me dma read error, and zpool is reporting READ failures. However, data integrity is OK :-) Unfortunately I was in the middle of rearranging my