Messages in this thread | | | Date | Fri, 03 Feb 2006 11:38:13 -0500 | From | Phillip Susi <> | Subject | Re: FYI: RAID5 unusably unstable through 2.6.14 |
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Martin Drab wrote: > On Fri, 3 Feb 2006, Phillip Susi wrote: > >> It looks like the problem is in that controller card and its driver. Was this >> a proprietary closed source driver? >> > > No, it was the kernel's AACRAID driver (drivers/scsi/aacraid/*). And I've > consulted that with Mark Salyzyn who told me that it is the problem of the > upper layers which are only zero fault tollerant and that driver con do > nothing about it. >
That's a strange statement, maybe we could get some clarification on it? From the dmesg lines you posted before, it appeared that the hardware was failing the request with a bad disk sense code. As I said before, normally Linux has no problem reading the good parts of a partially bad disk, so I wonder exactly what Mark means by "upper layers which are only zero fault tollerant"?
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