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 Post subject: updatevv and Solaris MPxIO
PostPosted: Wed Nov 30, 2011 4:49 pm 

Joined: Wed Nov 30, 2011 4:45 pm
Posts: 2
Hey all,

This is probably a dumb question but if I use the updatevv command to refresh a snapshot, does the Solaris MPxIO device name changes or will it stay the same?

Thanks
--Brett


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 Post subject: Re: updatevv and Solaris MPxIO
PostPosted: Thu Dec 01, 2011 6:04 am 

Joined: Wed Nov 30, 2011 4:45 pm
Posts: 2
Well, sadly, it looks like updatevv updates the VV_WWN which is super annoying and will in fact change the device path. :evil:

--Brett


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 Post subject: Re: updatevv and Solaris MPxIO
PostPosted: Tue Jun 12, 2012 3:35 pm 

Joined: Tue Jun 12, 2012 3:16 pm
Posts: 1
If you're still around...

I only update sets of VVs, so I use this command in a ksh script:
updatevv -ro -f set:${VVSET}
My WWNs and device paths get preserved on Solaris 10 using MPxIO.

Some of the help sections specify that when you create the initial snapshots, you should specify a high-number VV ID. Looks like the array uses the lowest free ID number when anyone creates new volumes/snaps. Combine that with the idea that refeshing snaps temporarily removes the snap VV. Sounds like you don't want those two things happening at the same time.

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James


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