Fix multipath removal script

[mirror/dsa-wiki.git] / input / howto / decomission.mdwn

diff --git a/input/howto/decomission.mdwn b/input/howto/decomission.mdwn
index c4e5c58..68ed36d 100644 (file)
--- a/input/howto/decomission.mdwn
+++ b/input/howto/decomission.mdwn
@@ -8,19 +8,43 @@
 
  * Revoke puppet certificate
 
-   * on handel: puppet node clean $HOST
+   * on handel: puppet node clean $HOST.debian.org
+   * on handel: puppet node deactivate $HOST.debian.org
    * reinit samhain on handel
 
  * Remove from LDAP
-   * rerun puppet on beethoven / the backup host
-   * reinit samhain on beethoven
+   * including references such as subgroup: foo@hostname or supplementarygid: foo@hostname
+   * rerun puppet on backuphost / the backup host
+   * reinit samhain on backuphost
  * Remove from Nagios
  * Remove any references from puppet configuration
  * Remove references to the host from DNS files, including reverse DNS
  * Get rid of the HW (tell the hoster to get rid of it or other as appropriate)
- * Remove MQ queues related to machine (see [[MQ]] for details)
-    for queue in $(rabbitmqadmin -N rainier list queues name | grep unger.debian.org | awk '{print $2}') ; do rabbitmqadmin -N rainier -V dsa delete queue name=$queue; done
+ * Update password file information for the $HOST
+ * Remove MQ queues related to machine (see [[doc/mq]] for details)
 
-Three months after decomissioning:
+    for queue in $(rabbitmqadmin -N rainier list queues name | \
+    grep unger.debian.org | \
+    awk '{print $2}') ; do
+    rabbitmqadmin -N rainier -V dsa delete queue name=$queue
+    done
+
+ * Remove disks from the MSA 
+   * run multipath -ll on the KVM host and find all disks on that multipath
+
+```
+echo -n "multipath device to remove: " &&
+export LC_ALL=C &&
+read path &&
+dm=$(sudo multipath -ll | grep "$path" | awk '{print $2}') &&
+cd /sys/devices/virtual/block/$dm/slaves &&
+devices=$(ls -1) &&
+blockdev --flushbufs /dev/$dm &&
+multipath -f $path &&
+for device in $(echo $devices); do blockdev --flushbufs /dev/$device; echo 1 > "/sys/block/$device/device/delete"; done
+```
 
+   * remove the paths in the MSA
+
+Three months after decomissioning:
  * Remove backups