The drives are attached to a backplane? Try using 4k sector sizes and see if that improves it - I've seen and been part of a number of discussions which involved this - and you, I think, actually.
- Rich On Mon, Aug 29, 2011 at 5:07 PM, Roy Sigurd Karlsbakk <r...@karlsbakk.net> wrote: > Hi all > > It seems recent WD drives that aren't "Raid edition" can cause rather a lot > of problems on RAID systems. We have a few machines with LSI controllers > (6801/6081/9201) and we're seeing massive errors occuring. The usual pattern > is a drive failing or even a resilver/scrub starting and then, suddenly, most > drives on the whole backplane report errors. These are usually No Device (as > reported by iostat -En), but the result is that we may see data corruption at > the end. We also have a system setup with Hitachi Deskstars, which has been > running for almost a year without issues. One system with a mixture of WD > Blacks and greens showed the same errors as described, but has been working > well after the WD drives were replaced by deskstars. > > Now, it seems WD has changed their firmware to inhibit people from using them > for other things than toys (read: PCs etc). Since we've seen this issue on > different controllers and different drives, and can't reproduce it with > Hitachi Deskstars, I would guess the firmware "upgrade" from WD is the issue. > > Would it be possible to fix this in ZFS somehow? The drives seem to work well > except for those "No Device" errors.... > > Vennlige hilsener / Best regards > > roy > -- > Roy Sigurd Karlsbakk > (+47) 97542685 > r...@karlsbakk.net > http://blogg.karlsbakk.net/ > -- > I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det > er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av > idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og > relevante synonymer på norsk. > > _______________________________________________ > OpenIndiana-discuss mailing list > OpenIndiana-discuss@openindiana.org > http://openindiana.org/mailman/listinfo/openindiana-discuss > _______________________________________________ OpenIndiana-discuss mailing list OpenIndiana-discuss@openindiana.org http://openindiana.org/mailman/listinfo/openindiana-discuss
