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Date:      Mon, 11 Aug 2014 15:33:44 -0400
From:      Mike Tancsa <mike@sentex.net>
To:        freebsd-fs@freebsd.org
Subject:   Re: missing partition labels ?
Message-ID:  <53E91A98.3050905@sentex.net>
In-Reply-To: <53E90B92.6060904@sentex.net>
References:  <53E90B92.6060904@sentex.net>

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adding
kern.geom.label.disk_ident.enable="0"
to /boot/loader.conf fixed the issue.

	---Mike

On 8/11/2014 2:29 PM, Mike Tancsa wrote:
> For some reason, when I moved my disks to a new chassis, the partition
> lables disappeared from my disks.  The server boots up fine, as it is a
> mirrored zfs system.
>
> zpool status shows
>
>    pool: zroot
>   state: ONLINE
>    scan: none requested
> config:
>
>          NAME                               STATE     READ WRITE CKSUM
>          zroot                              ONLINE       0     0     0
>            mirror-0                         ONLINE       0     0     0
>              diskid/DISK-WD-WCC3F4085561p3  ONLINE       0     0     0
>              diskid/DISK-WD-WCC3F4063296p3  ONLINE       0     0     0
>
> errors: No known data errors
>
> which is correct.
>
> However, I no longer see the partition lables associated with /dev/adap#
>
> It used to look like
> # ls -l /dev/ada*
> crw-r-----  1 root  operator  - 0x64 Aug  8 17:32 /dev/ada0
> crw-r-----  1 root  operator  - 0x67 Aug  8 17:32 /dev/ada0p1
> crw-r-----  1 root  operator  - 0x69 Aug  8 17:32 /dev/ada0p2
> crw-r-----  1 root  operator  - 0x6b Aug  8 17:32 /dev/ada0p3
> crw-r-----  1 root  operator  - 0x6d Aug 11 12:45 /dev/ada0p4
> crw-r-----  1 root  operator  - 0x6f Aug  8 17:32 /dev/ada1
> crw-r-----  1 root  operator  - 0x76 Aug  8 17:32 /dev/ada1p1
> crw-r-----  1 root  operator  - 0x78 Aug  8 17:32 /dev/ada1p2
> crw-r-----  1 root  operator  - 0x7a Aug  8 17:32 /dev/ada1p3
> crw-r-----  1 root  operator  - 0x7c Aug 11 12:45 /dev/ada1p4
>
> now it looks like
>
> # ls -l /dev/ada*
> crw-r-----  1 root  operator  - 0x5b Aug 11 14:18 /dev/ada0
> crw-r-----  1 root  operator  - 0x5f Aug 11 14:18 /dev/ada1
> crw-r-----  1 root  operator  - 0x67 Aug 11 14:18 /dev/ada2
> crw-r-----  1 root  operator  - 0x73 Aug 11 14:18 /dev/ada3
>
> The problem is, I cant get HAST to use the diskid so my replication is
> broken now.
>
>
> # ls -l diskid/
> total 1
> dr-xr-xr-x  2 root  wheel     -  512 Aug 11 14:18 .
> dr-xr-xr-x  9 root  wheel     -  512 Aug 11 14:18 ..
> crw-r-----  1 root  operator  - 0x5e Aug 11 14:18 DISK-S1ANNSAF225153X
> crw-r-----  1 root  operator  - 0x69 Aug 11 14:18 DISK-S1ANNSAF225154J
> crw-r-----  1 root  operator  - 0x7d Aug 11 14:18 DISK-WD-WCC3F4063296
> crw-r-----  1 root  operator  - 0x86 Aug 11 14:18 DISK-WD-WCC3F4063296p1
> crw-r-----  1 root  operator  - 0x87 Aug 11 14:18 DISK-WD-WCC3F4063296p2
> crw-r-----  1 root  operator  - 0x88 Aug 11 14:18 DISK-WD-WCC3F4063296p3
> crw-r-----  1 root  operator  - 0x89 Aug 11 14:18 DISK-WD-WCC3F4063296p4
> crw-r-----  1 root  operator  - 0x6a Aug 11 14:18 DISK-WD-WCC3F4085561
> crw-r-----  1 root  operator  - 0x75 Aug 11 14:18 DISK-WD-WCC3F4085561p1
> crw-r-----  1 root  operator  - 0x76 Aug 11 14:18 DISK-WD-WCC3F4085561p2
> crw-r-----  1 root  operator  - 0x77 Aug 11 14:18 DISK-WD-WCC3F4085561p3
> crw-r-----  1 root  operator  - 0x78 Aug 11 14:18 DISK-WD-WCC3F4085561p4
>
> It errors out with
>
>   [disk1] (secondary) Unable to open diskid/DISK-WD-WCC3F4085561p4: No
> such file or directory.
>
> Somehow the geom name got changed ?
>
> Geom name: diskid/DISK-WD-WCC3F4063296
> modified: false
> state: OK
> fwheads: 16
> fwsectors: 63
> last: 1953525134
> first: 34
> entries: 128
> scheme: GPT
> Providers:
> 1. Name: diskid/DISK-WD-WCC3F4063296p1
>     Mediasize: 110592 (108K)
>     Sectorsize: 512
>     Stripesize: 4096
>     Stripeoffset: 0
>     Mode: r0w0e0
>     rawuuid: ecad0d84-143b-11e4-8068-001e6784c8ca
>     rawtype: 83bd6b9d-7f41-11dc-be0b-001560b84f0f
>     label: (null)
>     length: 110592
>     offset: 20480
>     type: freebsd-boot
>     index: 1
>     end: 255
>     start: 40
> 2. Name: diskid/DISK-WD-WCC3F4063296p2
>     Mediasize: 8589934592 (8.0G)
>     Sectorsize: 512
>     Stripesize: 4096
>     Stripeoffset: 0
>     Mode: r0w0e0
>     rawuuid: ecc230d3-143b-11e4-8068-001e6784c8ca
>     rawtype: 516e7cb5-6ecf-11d6-8ff8-00022d09712b
>     label: (null)
>     length: 8589934592
>     offset: 131072
>     type: freebsd-swap
>     index: 2
>     end: 16777471
>     start: 256
> 3. Name: diskid/DISK-WD-WCC3F4063296p3
>     Mediasize: 214748364800 (200G)
>     Sectorsize: 512
>     Stripesize: 4096
>     Stripeoffset: 0
>     Mode: r1w1e1
>     rawuuid: ecdb4192-143b-11e4-8068-001e6784c8ca
>     rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
>     label: (null)
>     length: 214748364800
>     offset: 8590065664
>     type: freebsd-zfs
>     index: 3
>     end: 436207871
>     start: 16777472
> 4. Name: diskid/DISK-WD-WCC3F4063296p4
>     Mediasize: 776866435072 (724G)
>     Sectorsize: 512
>     Stripesize: 4096
>     Stripeoffset: 0
>     Mode: r0w0e0
>     rawuuid: 5450e916-1461-11e4-93aa-001e6784c8ca
>     rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
>     label: (null)
>     length: 776866435072
>     offset: 223338430464
>     type: freebsd-zfs
>     index: 4
>     end: 1953525127
>     start: 436207872
> Consumers:
> 1. Name: diskid/DISK-WD-WCC3F4063296
>     Mediasize: 1000204886016 (932G)
>     Sectorsize: 512
>     Stripesize: 4096
>     Stripeoffset: 0
>     Mode: r1w1e2
>
>
>
>      ---Mike
>
>


-- 
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada   http://www.tancsa.com/



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