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Old 10-16-2008   #3 (permalink)
Chris
Guest


 
 

Re: Bad disk performance - VS2005 R2 SP1

really strange as i created a replica and it works fine. this weekend i plan
to recreate it and see how i go.


"Ryan Sokolowski [MVP]" <ryan@xxxxxx> wrote in message
news:F5B5DF9E-32B3-4356-B2D4-584A02C97B76@xxxxxx
Quote:

> Did this behavior just appear or has it always been this result?
>
> --
> Ryan Sokolowski
> MVP - Clustering
> MCT, MCITP x3, MCTS x7, MCSE x2, CCNA, CCDA, BCFP
>
>
> "Chris" <chris@xxxxxx> wrote in message
> news:%23dN4GBXLJHA.6128@xxxxxx
Quote:

>> We are having really bad disk performance on our VS Guest
>>
>> Host DL380 G4 3GB RAM
>> 2 x 36GB Raid 1 for OS
>> 2 x HBA, SAN Attached VRAID5 LUN for Guests.
>> 2 x 1GB NIC, Teamed 2GB Total
>>
>> Currently have 1 Guest. 5 Virtual SCSI Adapters (Shared Bus for
>> Clustering)
>> 5 SCSI attahced Fixed size VHD (Size varies from 60GB to 500GB) All
>> reside on SAN.
>>
>> The disk write time is awful. Disk write time to Host disks is fine
>>
>> Anything else attached to Same SAN has no performance issues at all
>>
>> I really have no idea why or where to start looking. so any ideas would
>> be great.
>>
>

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