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March 2010, Week 2

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Subject:
Re: Disk in UNKNOWN State
From:
Jack Connor <[log in to unmask]>
Reply To:
Jack Connor <[log in to unmask]>
Date:
Fri, 12 Mar 2010 10:23:53 -0800
Content-Type:
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You might be able to do a NEWMIRRVOL IT_UV:MEMBER2 (33,43) 100 100...although I'm not too confident as 33 is in pending state.
You may have to suspend mirroring on it to get them joined back in.
jack

-----Original Message-----
From: Dan Barnes [mailto:[log in to unmask]]
Sent: Friday, March 12, 2010 1:15 PM
To: [log in to unmask]
Subject: [HP3000-L] Disk in UNKNOWN State

Hi -L Gang,

I had a mirrored disk drive in a Jamaica Enclosure go bad yesterday.  The
DSTAT below shows that it went into a 'BUSY' state, and nothing short of a
reboot could clear it.

:dstat

 LDEV-TYPE            STATUS    VOLUME           VOLUME SET - GEN
 ----------           -------   ----------------------------------
   33-ST34572WC       MASTER-MD MEMBER2          IT_UV-0
   34-ST39236LC       MASTER-MD MEMBER1          IT_UV-0
   43-ST34572WC                **BUSY
   44-ST39175LC       MASTER-MD MEMBER1          IT_UV-0

After/During the reboot, I replaced the drive.  When the system went
thru "Mount All Volumes" it complained about a duplicate volume, but I had to
wait for the system to come up completely to try to deal with that.

At that point, the system now shows these drives in the following state:

:dstat

 LDEV-TYPE            STATUS    VOLUME           VOLUME SET - GEN
 ----------           -------   ----------------------------------
   33-ST34572WC     *PENDING-MD MEMBER2          IT_UV-0
   34-ST39236LC       MASTER-MD MEMBER1          IT_UV-0
   43-ST34572WC       UNKNOWN
   44-ST39175LC       MASTER-MD MEMBER1          IT_UV-0


I then try a SCRATCHVOL and get the following:

:volutil

 Mirvutil  A.70.02, (C) Hewlett-Packard Co., 1991. All Rights Reserved.
volutil: scratchvol 43
                    ^
*Error: Volume mounted in invalid state for desired operation. (volutil 122)
volutil:

I then try a FORMATVOL and get the following:

volutil: formatvol 43
*Verify: Format volume on ldev 43 [Y/N] ?y

DISMOUNT REQUEST FOR LDEV 43 GRANTED (AVR 19)

it just hangs here..........

I can restore the data, so no issue there.

What I am unable at this point to do is resolve this partially mounted volume
issue.

The system is an N4000-100-330 on 7.0 patched up-to-date.

TIA,
Dan

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