<html> <head> <style></style></head> <body class='hmmessage'><div dir='ltr'><div class="post-text" itemprop="description"> 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 <code>/dev/sda: isw, "isw_babcjifefe", GROUP, ok, 1953525165 sectors, data@ 0 /dev/sdb: isw, "isw_babcjifefe", GROUP, ok, 1953525165 sectors, data@ 0 </code> # dmraid -s <pre><code>*** Group superset isw_babcjifefe --> Subset name : isw_babcjifefe_Raid0 size : 1953519616 stride : 128 type : mirror status : nosync subsets: 0 devs : 2 spares : 0 </code></pre> When i try to start the raid i receive the next errors # dmraid -f isw -S -M /dev/sdb <pre><code>ERROR: isw: SPARE disk must use all space on the disk </code></pre> # dmraid -tay <pre><code>isw_babcjifefe_Raid0: 0 1953519616 mirror core 3 131072 sync block_on_error 2 /dev/sda 0 /dev/sdb 0 </code></pre> # dmraid -ay <pre><code>RAID set "isw_babcjifefe_Raid0" was not activated ERROR: device "isw_babcjifefe_Raid0" could not be found </code></pre> # dmraid -f isw -S -M /dev/sdb <pre><code>ERROR: isw: SPARE disk must use all space on the disk </code></pre> # dmraid -R isw_babcjifefe_Raid0 /dev/sdb <pre><code>ERROR: disk /dev/sdb cannot be used to rebuilding </code></pre> # dmesg <pre><code>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. </code></pre> Disks: <pre><code>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 </code></pre> LVM: <pre><code>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! </code></pre> </div> </div></body> </html>