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Date:      Sat, 14 Nov 2009 17:58:55 -0600
From:      "Larry Rosenman" <ler@lerctr.org>
To:        "Daniel O'Connor" <doconnor@gsoft.com.au>
Cc:        freebsd-stable@freebsd.org, Stefan Bethke <stb@lassitu.de>
Subject:   Re: whats best pracfive for ZFS on a whole disc these days ?
Message-ID:  <2aed0fc0af06c5fb17495e8925214ac7.squirrel@webmail.lerctr.org>
In-Reply-To: <4AFF40B1.3040705@gsoft.com.au>
References:  <E1N2NcA-0004c4-CE@dilbert.ticketswitch.com> <200910271902.19618.doconnor@gsoft.com.au> <20091027104316.dsp7kikkoogo80gw@www.goldsword.com> <200910281112.06300.doconnor@gsoft.com.au> <493EE416-62CE-4EA4-81A7-8F802789D5DD@lassitu.de> <4AFF40B1.3040705@gsoft.com.au>

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On Sat, November 14, 2009 5:43 pm, Daniel O'Connor wrote:
> Stefan Bethke wrote:
>> Am 28.10.2009 um 01:41 schrieb Daniel O'Connor:
>>
>>> On Wed, 28 Oct 2009, jfarmer@goldsword.com wrote:
>>>> Check the archives for stable@ and fs@.  I believe that there was a
>>>> thread not that long ago detailing exactly how to do that.  IIRC,
>>>> while it took a bit of work, it wasn't difficult.
>>> Hmm do you have any idea what the subject was? I'm having trouble
>>> finding it :(
>>
>> If you still need it, it was "ZFS pool corrupted on upgrade of -current
>> (probably sata  renaming)" on -current back in July.  You probably need
>> to read the full thread, and there are some caveats, but it's sometimes
>> possible to glabel each device/partion, and zpool replace the original
>> device/partition with the labelled one online.
>
> It's here..
> http://lists.freebsd.org/pipermail/freebsd-current/2009-July/009440.html
>
> Quote...
>  > On Wed Jul 15 at 16:22, Freddie Cash <fjwcash at gmail.com> wrote:
>  > Yep.  It's as simple as:
>  >
>  >   * label all the drives using glabel, while they're still attached to
>  > the pool
>  >   * use "zpool replace pool ad4 label/disk01" to replace 1 drive
>  >   * wait for it to resilver
>  >   * use "zpool replace pool ad6 label/disk02" to replace the next
>  > drive
>  >   * repeat the resilver and replace until all the devices are replaced
>  >
>  > This is what I did to one of our servers.  Works quite nicely.
>  >
>  > There's no need to detach anything.
>
> I'll try it when I get home and see how it goes.

When I try that, I get:
# zpool status
  pool: vault
 state: ONLINE
 scrub: scrub completed after 3h4m with 0 errors on Wed Nov 11 04:32:00 2009
config:

	NAME        STATE     READ WRITE CKSUM
	vault       ONLINE       0     0     0
	  raidz1    ONLINE       0     0     0
	    ada1    ONLINE       0     0     0
	    ada2    ONLINE       0     0     0
	    ada3    ONLINE       0     0     0
	    ada4    ONLINE       0     0     0
	    ada5    ONLINE       0     0     0
	  ada0s1f   ONLINE       0     0     0
	  ada0s1e   ONLINE       0     0     0
	  ada0s1d   ONLINE       0     0     0

errors: No known data errors
# glabel label disk01 /dev/ada1
glabel: Can't store metadata on /dev/ada1: Operation not permitted.
#

Ideas?

>
> --
> Daniel O'Connor software and network engineer
> for Genesis Software - http://www.gsoft.com.au
> "The nice thing about standards is that there
> are so many of them to choose from."
>    -- Andrew Tanenbaum
> GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 512-248-2683                 E-Mail: ler@lerctr.org
US Mail: 430 Valona Loop, Round Rock, TX 78681-3893





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