[pca] zpool unavailable after Kernel Patch 142909-17

[Xu, Ying (Houston)]

I did a search on sunsolve on CR 6967658 and came across another bug
report (6984043) on update 9 (which has 142909-17 as kernel patch).  It
claims that after upgrading to update 9, zpool create consistently panic
the server.  Did anyone run into this problem?  
 
Thanks
 
Ying Xu <yxu at littonloan.com>
Unix Group
Office: 713-218-4508
BB: 832-671-6633
4828 Loop Central Dr. Houston TX 77081
 
 

________________________________

From: pca-bounces at lists.univie.ac.at
[mailto:pca-bounces at lists.univie.ac.at] On Behalf Of Don O'Malley
Sent: Wednesday, October 13, 2010 1:07 PM
To: PCA (Patch Check Advanced) Discussion
Subject: Re: [pca] zpool unavailable after Kernel Patch 142909-17


Hi Thomas,

I have asked a colleague about this and he believes that you have hit CR
6967658, which is a direct result of installing 142909-17.

There is no generic patch delivering a fix yet, but thought this might
help if you are contacting support.

Best,
-Don


Bleek Thomas wrote: 

	Hello,
	
	just a warning and perhaps a request for some advices.
	
	We have a Sun StorEdge SE3510 connected to a V240. This Raid is
used as JBOD (12 independend disks, 5x2 mirrored, 2 spares) for ZFS and
Patch testings.
	I have 2 pools, one on this array, another on 2 local
scsi-disks.
	
	After installing all current patches I can't mount the pool on
the Raid, the local one works. The disks are seen with format, zpool
status (actually zpool import) gives:
	root at nftp:/>zpool import
	  pool: tank
	    id: 10696630212093874974
	 state: UNAVAIL
	status: The pool is formatted using an older on-disk version.
	action: The pool cannot be imported due to damaged devices or
data.
	config:
	
	        tank         UNAVAIL  insufficient replicas
	          mirror-0   UNAVAIL  corrupted data
	            c2t40d0  ONLINE
	            c2t40d1  ONLINE
	          mirror-1   UNAVAIL  corrupted data
	            c2t40d3  ONLINE
	            c2t40d2  ONLINE
	          mirror-2   UNAVAIL  corrupted data
	            c2t40d4  ONLINE
	            c2t40d5  ONLINE
	          mirror-3   UNAVAIL  corrupted data
	            c2t40d6  ONLINE
	            c2t40d7  ONLINE
	          mirror-4   UNAVAIL  corrupted data
	            c2t40d8  ONLINE
	            c2t40d9  ONLINE
	root at nftp:/>
	
	2 things I have noticed:
	1. The two spares have vanished (but they are seen with format)
	2. The names of the submirros have changed, before the patch,
they are all named simply "mirror".
	
	I have still not done a "zpool upgrade" because I assume, that I
will not able to mount on the older, unpatched system.
	
	After booting into the old BE (thanks, Live Upgrade), the pool
is online again.
	
	So I tried to find the guilty patch with backing out patch for
patch.
	After backing out the kernel patch 142909-17 the problem has
vanished but now I don't know how to proceed:-(
	
	Any hints other than opening a case, which I will do after
getting no responses?
	
	TIA,
	Thomas
	
	
	  


-- 
  <http://www.oracle.com/>  
Don O'Malley
Manager,Patch System Test
Revenue Product Engineering | Solaris | Hardware 
East Point Business Park, Dublin 3, Ireland
Phone: +353 1 8199764 
Team Alias: rpe_patch_system_test_ww at oracle.com
  <http://www.oracle.com/commitment>  
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