Re: SCSI problems with a 2650

I'ld like to add this:

I have the problem only on 2650 running dual 2.0Ghz Xeon, and not on 
2650 running dual 2.4Ghz Xeon, while I have exactly the same Linux 
flavor, with exactly the same drivers.

-Andy

Vincent Blondel wrote:
> Stuart,
> 
> The real problem, I think , is not exactly and only
> with Dell 2650 servers because I don't have one.
> 
> For remind my config is the following :
> 
> - motherboard TYAN s2468GN
> - 2 x 512 PC2100/ddr226 Kingston memory module
> - 2 x AMD Athlon MP 1800+
> - Controller raid scsi ADAPTEC 5400s
> - 4 x Hard Drive Cheetah 15k.3 18.4gb U320 Scsi-80
> 3.6ms 15k Rpm 3.5lp ( RAID-5 )
> - DVD ide PIONEER
> 
> so I would correct what you say with this :
> 
> 1.  This is a common problem being experienced by
>     a lot of users running Linux, and 
> SMP (Intel/AMD) machines with a RAID SCSI Controller (
> with chipset equivalent to this one on Adaptec 5400s -
> so module aacraid )
> 2.  No one knows what the cause is ...
> 3.  No one has any idea how to solve it either.
>     ( This is not exactly true. ) I received an answer
> from alan saying this : 
> 
> "As far as I can tell everyone in adaptec who knew
> anything about this hardware and Linux was
> 'downsized'"
> 
> So our problem could well be resolved if Adaptec
> suports correctly their products. I found this
> behaviour very dramatic for a so well known company
> with so expensive and high level products.
> 
> So as I said it in this list, I will try this weekend
> ( if I have time , not guaranteed !!! ) to install
> FreeBSD and to analyze how this OS behaves with my
> machine.  I know well this is not a linux solution but
> if it really not work with it, what can we do ???
> 
> Furthermore, I searched a general e-mail for Adaptec
> company to ask their opinion about this mail but I
> didn't find one.
> 
> So, maybe one day Adaptec will really supports linux
> ...
> let's talk about this ...
> vincent.
> 
> --- Russell Stuart <[email protected]> wrote:
> 
>>On Tue, 2003-07-22 at 16:21, Russell Stuart wrote:
>>
>>>This is a long post because it represents 6 months
>>
>>worth of effort in
>>
>>>trying to solve the problem myself.  I have now
>>
>>decided its a hardware
>>
>>>problem.  What I am after is confirmation, or
>>
>>failing that suggestions
>>
>>>on what to do next.  Preferably this should come
>>
>>from someone with
>>
>>>"@dell.com" or "@redhat.com" in their email
>>
>>address for reasons that
>>
>>>will be obvious later.
>>
>>Well, that was met with deathly silence - from dell
>>and redhat anyway. 
>>Given what Vincent said, I take it the situation is:
>>
>>  1.  This is a common problem being experienced by
>>a lot of 2650
>>      users running Linux, and
>>
>>  2.  No one knows what the cause is, ergo
>>
>>  3.  No one has any idea how to solve it either.
>>
>>Is that an accurate summary?
>>
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> 
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> 
> 
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