PERC 3/Di - aacraid driver issue on DELL PowerEdge 2650

[Norman Elton]

Tobias,

When I was researching this issue, I read lots of other people's 
claims. As I recall, it wasn't necessarily an issue of load, so 
although your test results look good, I wouldn't assume you don't have 
a problem. My server was under virtually no load when it locked up. I 
read people claiming that it would occur after only a few hours, but my 
server took about a month before it locked up.

Norman

------------------------------------------------------
Norman Elton
Information Technology - Network Engineering
College of William & Mary
757-221-7790
On Apr 7, 2004, at 1:47 PM, Tobias Speckbacher wrote:

> Figured I'd make a new thread out of this.
> I realize this is the general RH list, but it seems this issue spans
> across multiple versions of RH Linux including the now or soon to be
> deprecated free versions.
>
> ----
>
> For whatever its worth I tested one of my 2650's loaded with ES3
> overnight.
> The system has the newest kernel available from the errata provided by
> Redhat (2.4.21-9EL).
>
> What I did was:
>
> while :; do
> dd if=/dev/zero of=test count=3000000
> rm -rf test
> done
>
>
> It creates a 1.5GB or thereabout file for me on my system, should you
> have a different FS blocksize the size will change.
>
> Anyway the system stayed up all night and still is at it.
> I figured if something is wrong with the aacraid driver/IO subsystem I
> should see it after a while doing this test.  Now I realize this 
> doesn't
> really take care of every case that can happen since this only tests
> writes.
>
> If anyone has a better idea on how to test the proper workings of a 
> PERC
> 3/Di I'd appreciate your input.
>
> -Tobias
>
> -----Original Message-----
> From: redhat-list-bounces at redhat.com
> [mailto:redhat-list-bounces at redhat.com] On Behalf Of Norman Elton
> Sent: Wednesday, April 07, 2004 5:41 AM
> To: General Red Hat Linux discussion list
> Subject: Re: Moving into Linux Enterprise- Doubts/questions
>
>> I used to have an issue with a 2650 running RH8, the system would
>> completely hang after a certain amount of time.
>
> This is exactly the issue I had. The system would just hang. It turned
> out to be a buggy aacraid driver (the adaptec RAID driver). I ended up
> getting a kernel patch from Adaptec.
>
> I don't know if this is still an issue with the latest redhat releases,
> I suspect is probably still is. I would check the mailing lists on
> linux.dell.com (there's an aacraid-specific list).
>
> It's a shame that a system that's RedHat certified, running an OS
> that's Dell certified, just doesn't work.
>
> Norman
>
> ------------------------------------------------------
> Norman Elton
> Information Technology - Network Engineering
> College of William & Mary
> 757-221-7790
> On Apr 6, 2004, at 10:30 PM, Tobias Speckbacher wrote:
>
>> I used to have an issue with a 2650 running RH8, the system would
>> completely hang after a certain amount of time.
>>
>> Installing an updated kernel, solved this issue for me.
>> I am currently in the process of deploying 9 systems with RHES 3.0, 4
>> of
>> which use the PERC 3/DI controller.
>>
>> If anyone has confirmation that this is still an issue I'd appreciate
>> the input.
>>
>> -T
>>
>>
>> -----Original Message-----
>> From: redhat-list-bounces at redhat.com
>> [mailto:redhat-list-bounces at redhat.com] On Behalf Of Bob Gorman
>> Sent: Tuesday, April 06, 2004 12:54 PM
>> To: redhat-list at redhat.com
>> Subject: Re: Moving into Linux Enterprise- Doubts/questions
>>
>>
>>> I installed RHEL 3 on a PowerEdge 2650, and had horrible times with
>>> the
>> RAID driver. If your server runs the Perc3/Di driver, you'll want to
> do
>> a little research before plunging into RHEL.
>>
>> Can you be a little more specific?  I have plans to upgrade some
> PE2650
>> systems (w/PERC3-DI) to RHEL3 very soon.
>>
>> Indeed, I will install the latest system BIOS update, and the latest
>> controller and back plane firmware updates, and install from the
>> current
>> RHEL3 Update 1 CD.
>>
>> TIA for any insight you can share.
>>
>>
>>
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