Thank you! I think you hit the nail on the head with this one. After doing
some research I do not have the netapp apm installed. (Though the ASL is
installed.) Now I'm off to find where on the symantec website I can find the
netapp apm and make sure I get all the asl/apm versions setup correctly.


On Fri, Nov 21, 2008 at 5:32 PM, Joshua Fielden <[EMAIL PROTECTED]
> wrote:

> Using "vxdmpadm disable ctlr=cX" to disable one path administratively
> (or other individual disable syntax as-needed) is the best-practice for
> doing SAN work.
> Iopolicy can be set on the fly -- are you sure you have the correct
> ASL/APM packages for NetAPP storage for your version? Having the
> wrong/missing APM (Array Policy Module) can cause problems during
> administrative path work.
> Cheers,
> jf
> -----Original Message-----
> [mailto:[EMAIL PROTECTED] On Behalf Of Romeo
> Theriault
> Sent: Friday, November 21, 2008 4:11 PM
> To:
> Subject: [Veritas-vx] changing vxdmp iopolicy on live volumes
> I was under the impression that changing vxdmp's iopolicy on the fly was
> supported. I recently changed a live Solaris 9 hosts vxdmp iopolicy from
> round-robin to singleactive and a handful of it's FCP SAN volumes went
> offline with read/write errors. I quickly switched the iopolicy back to
> round-robin and was able to get the offlined volumes back online with
> some fsck's, etc.... All of the volumes have two paths through different
> FCP cards and switches.
> So was I wrong, is changing the iopolicy on vxdmp not a safe thing to
> do? Should I have done something differently?
> This is what I did:
> vxdmpadm setattr enclosure FAS30500 iopolicy=singleactive
> On a related topic, the person whom I've replaced didn't leave the FCP
> switch passwords behind so we need to reboot the switches to their
> bootprom to reset the passwords. I was really hoping that I'd be able to
> change the iopolicy on the Solaris/Veritas machines to singleactive and
> then change their primary controller for a time being so I could reboot
> the FCP switches one at a time to reset their passwords, thus removing
> the need to shutdown all of the machines. Is this possible?
> Thanks for any hints and help on the matter,
> --
> Romeo Theriault
> System Administrator
> Information Technology Services

Romeo Theriault
System Administrator
Information Technology Services
Ph#: 207-561-3517
Veritas-vx maillist  -

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