Re: 10g RAC using SAN for storage

On Sep 15, 4:52 pm, DA Morgan <damor..._at_psoug.org> wrote:
> macdba321 wrote:
> > On Sep 12, 9:29 pm, DA Morgan <damor..._at_psoug.org> wrote:
> >> 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
> >> damor..._at_x.washington.edu (replace x with u to respond)
> >> Puget Sound Oracle Users Groupwww.psoug.org

>


> > Thanks again for the reply. I will proceed with acquiring HBAs for

> > each node.

>

>

Thanks again.
For a prototype effort though, I could proceed with single channel HBAs on each node, correct?
One additional question, if the nodes have multiple NIC cards, would they serve as the "dedicated high-speed interconnect" that rac requires?

Thanks! Received on Tue Sep 16 2008 - 10:48:01 CDT