Re: "Enclosure" serial numbers for veritas

[Florian Heigl <fh@xxxxxxxxxxxxxxxxxx>]

Hi Nicholas!

On 31.05.2012 04:47, Nicholas A. Bellinger wrote:
> On Wed, 2012-05-30 at 15:37 +0200, Florian Heigl wrote:
> > I noticed that when I add two LIO based iSCSI storages to a Linux 
> > box
> > running Veritas volume manager that it will think all LIO targets 
> > are
> > "the same" enclosure.
> >
> > An enclosure is detected by the multipath drivers in VxVM. I think 
> > they
> > use some sort of scsi serial number or something to identify that.
> > (I know there's API drivers that are "certified" but thats for extra
> > features)
>
> Thanks for reporting the issue with Vertias VxVM.
>
> > So, anyway.
> > I would have thought the "array" presented by system "Sechs" should 
> > end
> > up with a different name than the "array" presented by my laptop.
>
> Can you please share the top-level rtsadmin/targetcli shell output of
> your setup to give an idea of how things are currently configured..?
>
> > Rationale & Steps:
> > ------------------
> > I needed to provide storage for a lab and used LIO on Fedora 16 for 
> > that.
>
> OK, you'll want to make sure to use at least 3.2.18 or 3.3.7 stable
> kernels on FC16.

Thanks for the very informative reply.
(Especially the hints to where in configfs I need to look :)

I still have the systems around for another week and will try to work 
through it in that time.


Florian



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