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Message-Id: <201006251230.o5PCUDqS028197@www.freebsd.org>
Date: Fri, 25 Jun 2010 12:30:13 GMT
From: Marcel Grandemange <thavinci@thavinci.za.net>
To: freebsd-gnats-submit@FreeBSD.org
Subject: zfs raidz pool commands freeze
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>Number:         148138
>Category:       kern
>Synopsis:       [zfs] zfs raidz pool commands freeze
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-fs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Jun 25 12:40:00 UTC 2010
>Closed-Date:    
>Last-Modified:  Sun Jun 27 04:18:53 UTC 2010
>Originator:     Marcel Grandemange
>Release:        8.0 Release
>Organization:
E-Soul Technologies
>Environment:
FreeBSD johan.thavinci.za.net 8.0-RELEASE-p3 FreeBSD 8.0-RELEASE-p3 #0: Tue May 25 20:54:11 UTC 2010     root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
Built a raidz in a vm, killed one drive booted up state was degraded. Replaced drive tried to rebuild no success with only some zfs related commands causing lock.

After adding another drive and attemping to add it to current pool so i could try the zpool offline method, now all zpool related commands lock up and can't be ctrl-c or kill 9 or anything.

Pool is uncontrollable now and i assume only way around is too recreate everything from scratch.
[update] Even this isnt possible as zpool destroy tank also freezes


some command results:

[root@johan ~]# zpool status
I do a CTRL-T
load: 0.00  cmd: zpool 1061 [spa_namespace_lock] 4630.58r 0.00u 0.00s 0% 1756k
load: 0.00  cmd: zpool 1061 [spa_namespace_lock] 5145.49r 0.00u 0.00s 0% 1756k

and

[root@johan ~]# zpool list
load: 0.00  cmd: zpool 1257 [spa_namespace_lock] 2.03r 0.02u 0.00s 0% 1760k
load: 0.00  cmd: zpool 1257 [spa_namespace_lock] 2.48r 0.02u 0.00s 0% 1760k

and 

[root@johan ~]# zpool destroy tank
load: 0.05  cmd: zpool 1262 [spa_namespace_lock] 46.71r 0.00u 0.00s 0% 1744k
load: 0.05  cmd: zpool 1262 [spa_namespace_lock] 47.08r 0.00u 0.00s 0% 1744k


>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-amd64->freebsd-fs 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Sun Jun 27 04:18:36 UTC 2010 
Responsible-Changed-Why:  
Over to maintainer(s). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=148138 
>Unformatted:
