Re: massive e2fs corruption with 2.2.9/10?

Kastus Shchuka (pike@usis.minsk.by)
Sat, 19 Jun 1999 12:38:45 +0300 (EET DST)


Just a short question to all people who exrerienced corruption: What kind
of RAM do you use? Is it ECC/parity or no? This looks like the clue to the
problem.

--------------------------------------------
Kastus Shchuka <pike@usis.minsk.by>
LAN Manager/SysAdmin ph.: +375-17-217-0481
USIS Minsk fax: +375-17-217-8828

On Fri, 18 Jun 1999, Adrian Baugh wrote:

> Another data-point for you. I have a dual P2/300 (Gigabyte motherboard
> with an on-board Adaptec aic7895 SCSI adaptor) and an IBM 4.5GB SCSI hard
> drive, model DDRS-34560W. Also is a very old Quantum TRB850A 850MB IDE
> hard drive (it doesn't use DMA). I tried Larry's lmdd using 650MB, 100MB
> and 75MB file sizes, both random access and the normal checking mode,
> doing several operations simultaneously, on different partitions, disks
> etc - everything I could think of. I didn't see any corruption.
> This is with 2.2.10 SMP compiled on pgcc-2.91.66 (based on the egcs-1.1.2
> release). I applied the following patch to drivers/scsi/sd.c (someone on
> here mentioned it a while back):
>
> --- drivers/scsi/sd.c.orig Fri Jun 18 00:52:10 1999
> +++ drivers/scsi/sd.c Fri Jun 18 00:52:39 1999
> @@ -1050,6 +1050,7 @@
>
> SCpnt->transfersize = rscsi_disks[dev].sector_size;
> SCpnt->underflow = this_count << 9;
> + SCpnt->cmd_len = 0;
> scsi_do_cmd (SCpnt, (void *) cmd, buff,
> this_count * rscsi_disks[dev].sector_size,
> rw_intr,
>
> More information on request.
> Please cc: me as I'm not on the list after the end of term (tomorrow).
>
> Adrian Baugh.
>
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>
>
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