Re: 10g RAC using SAN for storage
From: DA Morgan <damorgan_at_psoug.org>
Date: Fri, 12 Sep 2008 18:29:32 -0700
Message-ID: <1221269373.46549@bubbleator.drizzle.com>
>
> Thanks for the reply.
>
> I plan to use ASM over raw devices. (Again, this is purely for test/
> learning, not a production application.)
>
> Please correct me if I'm wrong, but I'm assuming that I'll need HBAs
> for both nodes to connect to the same LUNs on the SAN? (There's no way
> to do it without the HBA is there?)
>
> Thanks.
Date: Fri, 12 Sep 2008 18:29:32 -0700
Message-ID: <1221269373.46549@bubbleator.drizzle.com>
macdba321 wrote:
> On Sep 12, 9:35 am, DA Morgan <damor..._at_psoug.org> wrote:
>> macdba321 wrote: >>> I am testing a 2 node RAC setup and want to try using a SAN for the >>> dedicated storage (instead of a dedicated local storage disk array >>> located within the same frame). >>> Are there any "gotchas" that I should be aware of when using the SAN >>> for storage as opposed to a typical storage array? >>> Thanks! >> How did you use "dedicated local storage disk" and make it shared >> everything? >> >> You've said nothing of CFS or ASM or RAW. Why? >> >> The biggest potential issue with a SAN is labeling the disks used >> for the voting disk and OCR so that they are mounted in the correct >> order by the O/S. >> -- >> Daniel A. Morgan >> Oracle Ace Director & Instructor >> University of Washington >> damor..._at_x.washington.edu (replace x with u to respond) >> Puget Sound Oracle Users Groupwww.psoug.org
>
> Thanks for the reply.
>
> I plan to use ASM over raw devices. (Again, this is purely for test/
> learning, not a production application.)
>
> Please correct me if I'm wrong, but I'm assuming that I'll need HBAs
> for both nodes to connect to the same LUNs on the SAN? (There's no way
> to do it without the HBA is there?)
>
> Thanks.
Not with a SAN unless you have an antique with fibre protocol over copper and can find drivers for it. Another possibility is to use iSCSI drivers.
-- Daniel A. Morgan Oracle Ace Director & Instructor University of Washington damorgan_at_x.washington.edu (replace x with u to respond) Puget Sound Oracle Users Group www.psoug.orgReceived on Fri Sep 12 2008 - 20:29:32 CDT