On Fri, 20 Mar 2009, Mark Powell wrote: > As this same hardware worked, well with 7 for a long time, and can work > perfectly with 8 for several days until the errors strike, this seems like > some curious 8 problem? Hmmm. Perhaps I'm not being fair on 8. Just had a look at my loader.conf for 7 and I can see that I used to run with every zfs*disable on. I've just rebooted 8 with: vfs.zfs.cache_flush_disable: 1 vfs.zfs.mdcomp_disable: 1 vfs.zfs.prefetch_disable: 1 vfs.zfs.zil_disable: 1 hw.ata.wc: 1 The current fs which produced errors on every scrub now reports no errors. I now need to find which option fixed it. I suspect hw.ata.wc. Is this still a known issue? Cheers. -- Mark Powell - UNIX System Administrator - The University of Salford Information & Learning Services, Clifford Whitworth Building, Salford University, Manchester, M5 4WT, UK. Tel: +44 161 295 6843 Fax: +44 161 295 5888 www.pgp.com for PGP keyReceived on Fri Mar 20 2009 - 14:30:15 UTC
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