zigzagdna_at_yahoo.com wrote:
> On Oct 25, 5:05 pm, Niall Litchfield <niall.litchfi..._at_dial.pipex.com>
> wrote:
>> zigzag..._at_yahoo.com wrote:
>>> No Oracle backup jobs or database statistics run at that time. SAN is
>>> used for disks. I have to check details of SAN with storage group. I
>>> will look into Filemon, but I have been using Windows perfmon which
>>> lets me collect disk usage, memory usgae, cpu usage etc
>>> periodically .It is pretty nice utility.
>> So it is shared storage, I'd definitely be looking at a scheduled task
>> somewhere in the infrastructure. It does strike me as odd though,
>> especially if you say you've asked users to hold off between 3 and 4
>> that you are doing far more i/o at that time than you are just before. I
>> wonder if it turns out that there really is nothing else sharing
>> components of the san that affect these boxes, if the larger io
>> throughput is responsible for exhausting san cache. I'd still wager on a
>> scheduled task somewhere in yur infrastructure though.
>>
>> --
>> Niall Litchfield
>> Oracle DBAhttp://www.orawin.info/services
>
>
> I talked to my SAN team and they do not see anything wrong with SAN.
> It definteley looks like some scheduled task but no one knows what it
> is?
>
I have never heard SAN people saying something else. Same is true for
network people.
Jan
Received on Sun Nov 04 2007 - 11:29:44 CST
