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    Have you tried mdadm? isw should be driven via md by now.<br>
    <br>
    Heinz<br>
    <br>
    <div class="moz-cite-prefix">On 04/25/2013 06:55 AM, Dead Gardens
      wrote:<br>
    </div>
    <blockquote cite="mid:DUB124-W37A9D14398E4337789ECFA3B60@phx.gbl"
      type="cite">
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      <div dir="ltr">dmraid version<br>
        <br>
        # dmraid -V<br>
        dmraid version:         1.0.0.rc13-64 (2010.11.04) debug <br>
        dmraid library version: 1.0.0.rc13-17 (2009.06.10)<br>
        device-mapper version:  4.11.5<br>
        <br>
        <div>
          <hr id="stopSpelling">From: <a class="moz-txt-link-abbreviated" href="mailto:dead_gardens_@hotmail.com">dead_gardens_@hotmail.com</a><br>
          To: <a class="moz-txt-link-abbreviated" href="mailto:ataraid-list@redhat.com">ataraid-list@redhat.com</a><br>
          Subject: Rebuilding a Raid 1<br>
          Date: Thu, 25 Apr 2013 06:52:01 +0200<br>
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            <div class="ecxpost-text"> 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.<br>
              <em><br>
              </em><br>
              <em># dmraid -r</em><br>
              <em><br>
              </em><br>
              <code>/dev/sda: isw, "isw_babcjifefe", GROUP, ok,
                1953525165 sectors, data@ 0<br>
                /dev/sdb: isw, "isw_babcjifefe", GROUP, ok, 1953525165
                sectors, data@ 0
              </code>
              <em><br>
              </em><br>
              <em># dmraid -s</em><br>
              <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 <br>
              <em># dmraid -f isw -S -M /dev/sdb</em> <br>
              <pre><code>ERROR: isw: SPARE disk must use all space on the disk
</code></pre>
              <em># dmraid -tay</em><br>
              <pre><code>isw_babcjifefe_Raid0: 0 1953519616 mirror core 3 131072 sync block_on_error 2 /dev/sda 0 /dev/sdb 0
</code></pre>
              <em># dmraid -ay</em><br>
              <pre><code>RAID set "isw_babcjifefe_Raid0" was not activated
ERROR: device "isw_babcjifefe_Raid0" could not be found
</code></pre>
              <em># dmraid -f isw -S -M /dev/sdb</em> <br>
              <pre><code>ERROR: isw: SPARE disk must use all space on the disk
</code></pre>
              # dmraid -R isw_babcjifefe_Raid0 /dev/sdb<br>
              <pre><code>ERROR: disk /dev/sdb cannot be used to rebuilding
</code></pre>
              <em># dmesg</em><br>
              <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:<br>
              <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:<br>
              <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>
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