X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=input%2Fhowto%2Fdecomission.mdwn;h=7725c316af2ee11a9a14ff3a997991e01e677e11;hb=e1f19cbad3788770f222b8699d08578424bf1c01;hp=ce2da3cc24c1365e24d7acc0633091acae857446;hpb=c0c96c68b1c6304dd855b5f31c25529f439b5965;p=mirror%2Fdsa-wiki.git

diff --git a/input/howto/decomission.mdwn b/input/howto/decomission.mdwn
index ce2da3c..7725c31 100644
--- a/input/howto/decomission.mdwn
+++ b/input/howto/decomission.mdwn
@@ -28,6 +28,22 @@
     rabbitmqadmin -N rainier -V dsa delete queue name=$queue
     done
 
-Three months after decomissioning:
+ * 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 $3}') &&
+cd /sys/devices/virtual/block/$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