Rebuilding a Raid 1

[Heinz Mauelshagen]

Have you tried mdadm? isw should be driven via md by now.

Heinz

On 04/25/2013 06:55 AM, Dead Gardens wrote:
> dmraid version
>
> # dmraid -V
> dmraid version:         1.0.0.rc13-64 (2010.11.04) debug
> dmraid library version: 1.0.0.rc13-17 (2009.06.10)
> device-mapper version:  4.11.5
>
> ------------------------------------------------------------------------
> From: dead_gardens_ at hotmail.com
> To: ataraid-list at redhat.com
> Subject: Rebuilding a Raid 1
> Date: Thu, 25 Apr 2013 06:52:01 +0200
>
> I'm trying to rebuild a raid 1 (dmraid+isw) unsuccessfully. I replaced 
> the failed disk with a new one and the BIOS added it automatically to 
> the raid. Running kernel 2.6.18-194.17.4.el5.
> /
> /
> /# dmraid -r/
> /
> /
> |/dev/sda: isw, "isw_babcjifefe", GROUP, ok, 1953525165 sectors, data@ 0
> /dev/sdb: isw, "isw_babcjifefe", GROUP, ok, 1953525165 sectors, data@ 
> 0 | /
> /
> /# dmraid -s/
> |*** Group superset isw_babcjifefe
> --> Subset
> name   : isw_babcjifefe_Raid0
> size   : 1953519616
> stride : 128
> type   : mirror
> status : nosync
> subsets: 0
> devs   : 2
> spares : 0
> |
> When i try to start the raid i receive the next errors
> /# dmraid -f isw -S -M /dev/sdb/
> |ERROR: isw: SPARE disk must use all space on the disk
> |
> /# dmraid -tay/
> |isw_babcjifefe_Raid0: 0 1953519616 mirror core 3 131072 sync block_on_error 2 /dev/sda 0 /dev/sdb 0
> |
> /# dmraid -ay/
> |RAID set "isw_babcjifefe_Raid0" was not activated
> ERROR: device "isw_babcjifefe_Raid0" could not be found
> |
> /# dmraid -f isw -S -M /dev/sdb/
> |ERROR: isw: SPARE disk must use all space on the disk
> |
> # dmraid -R isw_babcjifefe_Raid0 /dev/sdb
> |ERROR: disk /dev/sdb cannot be used to rebuilding
> |
> /# dmesg/
> |device-mapper: table: 253:13: mirror: Device lookup failure
> device-mapper: ioctl: error adding target to table
> device-mapper: ioctl: device doesn't appear to be in the dev hash table.
> device-mapper: table: 253:13: mirror: Device lookup failure
> device-mapper: ioctl: error adding target to table
> device-mapper: ioctl: device doesn't appear to be in the dev hash table.
> device-mapper: table: 253:13: mirror: Device lookup failure
> device-mapper: ioctl: error adding target to table
> device-mapper: ioctl: device doesn't appear to be in the dev hash table.
> device-mapper: ioctl: device doesn't appear to be in the dev hash table.
> device-mapper: ioctl: device doesn't appear to be in the dev hash table.
> |
> Disks:
> |Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
> 255 heads, 63 sectors/track, 121601 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
> 255 heads, 63 sectors/track, 121601 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> |
> LVM:
> |PV /dev/sda5   VG storage   lvm2 [914.64 GB / 28.64 GB free]
> Total: 1 [914.64 GB] / in use: 1 [914.64 GB] / in no VG: 0 [0   ]
> Reading all physical volumes.  This may take a while...
> Found volume group "storage" using metadata type lvm2
> ACTIVE            '/dev/storage/home' [68.00 GB] inherit
> ACTIVE            '/dev/storage/home2' [68.00 GB] inherit
> ACTIVE            '/dev/storage/home3' [68.00 GB] inherit
> ACTIVE            '/dev/storage/home4' [68.00 GB] inherit
> ACTIVE            '/dev/storage/home5' [68.00 GB] inherit
> ACTIVE            '/dev/storage/var' [15.00 GB] inherit
> ACTIVE            '/dev/storage/mysql' [20.00 GB] inherit
> ACTIVE            '/dev/storage/pgsql' [7.00 GB] inherit
> ACTIVE            '/dev/storage/exim' [12.00 GB] inherit
> ACTIVE            '/dev/storage/apache' [25.00 GB] inherit
> ACTIVE            '/dev/storage/tmp' [2.00 GB] inherit
> ACTIVE            '/dev/storage/backup' [450.00 GB] inherit
> ACTIVE            '/dev/storage/log' [15.00 GB] inherit
>
> Any idea of what is wrong?
> Thanks!
> |
>
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