Re: recommended 4port SATA controller ?

[Thomas Fjellstrom <tfjellstrom@shaw.ca>]

On Thu September 17 2009, Kristleifur Daðason wrote:
> On Thu, Sep 17, 2009 at 11:02 PM, Thomas Fjellstrom <tfjellstrom@shaw.ca> 
wrote:
> > On Thu September 17 2009, John Bridges wrote:
> >> I'm a fan of the SuperMicro AOC-SAT2-MV8, great card.
> >> http://www.supermicro.com/products/accessories/addon/AOC-SAT2-MV8.cfm
> >>
> >> It's an 8 port PCI-X card, works in both PCI and PCI-X slots.
> >>
> >> SATA2
> >>
> >> Drivers for Linux are stable, built in.
> >
> > Have you had any experience with the AOC-SASLP-MV8? I've got one and have
> > been having no end of issues with it under linux.
> >
> > --
> > Thomas Fjellstrom
> > tfjellstrom@shaw.ca
> > --
> 
> I have,
> 
> or rather, I've tried to get an AOC-SASLP-MV8 card going. I think I
> can safely say that at least Linux kernel 2.6.31 is a requirement. The
> card was basically useless with everything up to 2.6.30, then I tried
> 2.6.31-rc5 on a whim and it kicked in. Built-in driver support, that
> is. However it wasn't stable, it dropped disks when syncing a large
> array. I've been meaning to test on 2.6.31 final, and am pretty
> optimistic.

Yeah, the driver didn't appear till .30. I have 2.6.31-git4 installed right 
now, and no matter what I do, the controller starts spewing errors:

[ 1455.698186] drivers/scsi/mvsas/mv_sas.c 1669:mvs_abort_task:rc= 5
[ 1455.698196] drivers/scsi/mvsas/mv_sas.c 1608:mvs_query_task:rc= 5
...
[ 1424.708085] end_request: I/O error, dev sdh, sector 3072
[ 1424.708106] sd 0:0:3:0: [sdh] Unhandled error code
[ 1424.708111] sd 0:0:3:0: [sdh] Result: hostbyte=DID_OK 
driverbyte=DRIVER_TIMEOUT
[ 1424.708118] sd 0:0:3:0: [sdh] CDB: Read(10): 28 00 00 00 08 00 00 04 00 00

And thats with perfectly good disks, and with smartd/hddtemp disabled (they 
were causing one of my disks to barf).

All I have to do is start a read from any disk, and after a few minutes, the 
card starts erroring out, and then dies.

It actually seems like it got more unstable from .30 to .31.

I've been trying to get some help with it on the lkml/ide/scsi lists for a 
while now, one person has tried to help, but thats about it.

> -- Kristleifur
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-- 
Thomas Fjellstrom
tfjellstrom@shaw.ca
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