E450, A1000 + Veritas

From: Chris.Veenstra@guardent.com
Date: Thu Apr 25 2002 - 15:10:12 EDT


All,
 
I'm in an odd situation here and am hoping someone can help me. I have an
E450 with 4 A1000's attached and am trying to reconfigure one of the
A1000's.
 
The issue I have is that I am unable to delete lun 0 from the problem array.
On this array, lun 0 is a 2 drive RAID 0+1 mirror. What I need is a 10
drive RAID 0+1 with 2 luns. I can add drives to it but am unable (I think)
to add a new lun to the existing raid manager drive group.
 
I suspect that for one of these arrays, Veritas continues to access the
volume. Is there any way to track this down? I've removed the volumes from
the Veritas disk groups and offlined all the Veritas disks from this array
so I thought there would be no further access occurring. Can anyone suggest
next steps for this? I need to see what plexes or logs or whatever are
still present on this array. I attempted to use rm6 to reset the
configuration on the array, but it fails stating that there is still some
I/O access on the device.
 
Unfortunately this system still has 2 production databases operating on it
on 3 of the arrays which remain stable and functional so downing the system
is not really an option right now. If that's what it takes, I'll have to
come in late and try things then.
 
Also, has anyone seen "Array Hot Add error: /kernel/drv/rdnexus.conf has run
out of pseudo-busses" as an error from hotadd before? Does this require a
reboot to resolve?
 
 
The specifics are Solaris 8, Veritas Storage Administrator 3.1, Raid Manager
6.22
 
If anyone has any suggestions, I would certainly appreciate it!
 
Chris Veenstra
Chris.veenstra@guardent.com <mailto:Chris.veenstra@guardent.com>
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