On Monday 24 September 2007 22:56:26 Jan-Frode Myklebust wrote: > On 2007-09-24, Nuno Fernandes <[EMAIL PROTECTED]> wrote: > >> With engenio/rdac that's what you have if you're lucky, but you might > >> just as well be unlucky and get: > >> > >> (a) HBA1 ====== DS4x00 controller A ==== LUNx > >> (b) HBA1 ====== DS4x00 controller B ==== LUNx > >> (c) HBA2 ~~~~~~ DS4x00 controller A ~~~~ LUNx > >> (d) HBA2 ~~~~~~ DS4x00 controller B ~~~~ LUNx > > > > I've disabled AVT (Automatic Volume Transfer) in DS4700. I can't have two > > active paths to the same LUNx using both controllers. > > Oops, my bad. I intended to write LUNx/LUNy/LUNx/LUNy. > > >> I'm not familiar with EMC Clariion... but have hit this exact same > >> problem on IBM DS4800/RDAC. > > > > How did you solve it? :) > > Followed the RDAC readme and avoided seeing both controllers on same HBA. > I even think it looks like a good thing to keep both FC switches > completely separated. Then a misconfiguration on one can't propagate > to the other. I also have both FC switches completly separated.
| -> Controller A
HBA A -> SwitchA |
| -> Controller B
| -> Controller A
HBA B -> SwitchB |
| -> Controller B
I'm in the process of testing rdac support builtin to ther kernel.
Regards
Nuno Fernandes
>
> -jf
>
> _______________________________________________
> rhelv5-list mailing list
> [email protected]
> https://www.redhat.com/mailman/listinfo/rhelv5-list
signature.asc
Description: This is a digitally signed message part.
_______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list
