Re: tablespace on a SAN

From: Frank van Bortel <fvanbortel_at_netscape.net>
Date: Mon, 20 Dec 2004 11:06:53 +0100
Message-ID: <cq6877$9v8$1@news2.zwoll1.ov.home.nl>

Rick Denoire wrote:
> Frank van Bortel <fvanbortel_at_netscape.net> wrote:
>
>

>>Rick,
>>it might be worth changing your RAID controller.

>
>
> No RAID Controller to change, this is a complete independent, external
> storage subsystem attached via HBAs using Fibre Channel technology.
>

Should have been obvious by the title of the thread - sorry.
>

>>Fail to see why ATA would influence (SCSI) RAID performance

>
>
> In the Clariions, a special enclosure is used for ATA disks. The
> storage unit still uses Fibre Channel, which is SCSI based. ATA
> protocol has to be translated at some point. Just some ideas. But I
> still don't know WHY this disks are so slow in the named environment.
> I do know for sure that they ARE slow. I have a case open, but I am
> not optimistic to get this issue solved. It has been there for more
> than a year now.
>

Thx for the details

-- 
Regards,
Frank van Bortel

Received on Mon Dec 20 2004 - 04:06:53 CST