[SLL] Strange performance problem

[Ski Kacoroski]

Yes,

I run tw_cli and the array show up as ok.

ski

Rob Smith wrote:
> On 1/6/07, Ski Kacoroski <kacoroski at comcast.net> wrote:
>> Hi,
>>
>> Still having the problem.  Appreciate all your ideas.  I think it is
>> some wierd interaction between the system and the 3ware card.  I
>> essentially have two almost identical systems with 3ware cards.  One is
>> fine (e.g. a du takes a few minutes to complete), the other is not (du
>> can take hours).  I have checked for processes with negative niceness
>> and for raid rebuilding - both are ok.  strace doesn't show any thing
>> other than disk access pausing at times.  I am running sar and there is
>> nothing there other than on the slow system it will jump to 99% iowait
>> when doing disk I/O.  Next step is to call 3ware.
>>
>> ski
> 
> 
> If could be bad disks/disk. Are you running 3dm? have you verified the
> array recently?
> 
> ~Rob
> 

-- 
"When we try to pick out anything by itself, we find it
  connected to the entire universe"            John Muir

Chris "Ski" Kacoroski, kacoroski at comcast.net, 206-501-9803