I think Rich was suggesting using 4k sectors on the file system, not asking what the drives sector size was.
On Mon, Aug 29, 2011 at 2:15 PM, Roy Sigurd Karlsbakk <r...@karlsbakk.net>wrote: > All drives have 512b sector sizes, WD FASS (blacks) and WD EADS (greens) > both use plain old 512 sectors..... > > ----- Original Message ----- > > 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 > > -- > 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 > -- "I hope some animal never bores a hole in my head and lays its eggs in my brain, because later you might think you're having a good idea but it's just eggs hatching" - Jack Handy _______________________________________________ OpenIndiana-discuss mailing list OpenIndiana-discuss@openindiana.org http://openindiana.org/mailman/listinfo/openindiana-discuss
