From: joe.fletcher@btconnect.com
Date: Tue Jun 03 2003 - 10:26:48 EDT
Hi,
Thanks to Darren Dunham and Reggie Beavers for their
assistance.
In the end I admitted defeat and rebuilt the whole
thing from scratch. It appears that the presentation of
the LUNs had changed so much as a result of the
software updates on the array (adding Accesslogix
among other things) that there was no effective way to
re-establish connection between the LUNs and the
original disk groups. The underlying devices bore
virtually no relation to what we started with and we
didn't have sufficient info saved from the original install
to even attempt a reconstruction.
Lesson learned is always keep a recent copy
of "vxprint -thf" and prtvtoc output somewhere safe.
And may I second the call for people to sort out their
vacation messages please? Out of about 25 responses
only 2 weren't machine generated.
Cheers
Joe.
-----------------------originally---------------------------
I have this Clariion disk array which has 4 LUNs. Today
this array got it's software reworked and now the
original
Powerpath devices I was using to access the LUNs are
invalid. What I do now have is 4 solaris devices
corresponding to those same LUNs. Is there a way I can
regenerate the disk groups based on those LUNs
without trashing the data inside them.
eg I used to have a device emcpower0c which fed a disk
group called ha_dg_ora_d1. Now emcpower0c is gone
but c5t0d3 exists and points to the same LUN. I'd like if
possible to re-init the disk group without actually
initialising the whole LUN and trashing the data.
What are my chances?
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