Dell SAS5 Performance Issue

[dmose]

Scott Long-2 wrote:
> 
> dmose wrote:
>> 
>> 
>> Bjoern A. Zeeb wrote:
>>> On Tue, 27 Mar 2007, Ivan Voras wrote:
>>>
>>>> Richard Tector wrote:
>>>>> Is there any information I could obtain that would be of use to you in
>>>>> tracking this one down?
>>>> You could maybe contact the driver's author(s) directly and ask them.
>>>> See the AUTHORS section of the man page for details.
>>> you should have done your homework before saying this and you might
>>> have noticed something;-)
>>>
>>> To just add a "me too"; same kind of machine.
>>>
>>> I have been in contact with people the last three days mostly
>>> gathering information for them. And yes, the integrated curses based
>>> controller utility you can start during boot does not seem to have
>>> options to adjust "caching behavior". At least I had not seen and
>>> option for that either.
>>>
>>> Unfortunately this machine will be shipped of the day after tomorrow
>>> so I won't be able to test anything new. I'll follow this thread and
>>> in case I can help with anything - let me know.
>>>
>>> /bz
>>>
>>> -- 
>>> Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT
>>> _______________________________________________
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>>>
>>>
>> 
>> Hey guys any updates on this?  I'm experiencing the same issue win2kx64
>> environment slow I/O write (read about 65MB/sec) in RAID 1.
>> 
>> There is no way to enable caching in the boot BIOS ... anyone hear plans
>> for
>> them to update a version that will allow us to configure these options?
>> 
>> 
> 
> Are you asking about FreeBSD or Windows 2000?
> 
> Scott
> 
> _______________________________________________
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> 
> 

Either or (actually Windows2003server x64)

I figured the write cache is not an OS specific setting, but rather
controlled via the host adapters internal BIOS.

So I can't see any way to enable this via the bios..

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