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NetApp Knowledge Base

Unable to increase the data disk on Active IQ Unified Manager in vApp

Last Updated:

Applies to

OnCommand Unified Manager (OCUM) Virtual Appliance 7.x and above

Active IQ Unified Manager (AIQUM) 9.6

VMWare vSphere


While utilizing the steps in Documentation Center to add space to the data disk of UM vApp instance, receive an "blockdev failed" error.


Please follow below steps to gather detailed error message

1. Use the steps in KB to enable the diag shell and log in
2. Execute the following to the list all of the extend-data.log files:
       ls -al /var/log/ocum/

3. Locate the latest extend-data-***.log file and read its contents
       cat /var/log/ocum/extend-data-

root@OnCommand:/home/diag# cat /var/log/ocum/extend-data-20190813161546.log
Aug 13 16:15:48:  Executing pvscan
  PV /dev/sdc   VG data-vg         lvm2 [355.00 GiB / 100.00 GiB free]
  PV /dev/sde   VG data-vg         lvm2 [55.00 GiB / 0    free]
  Total: 2 [409.99 GiB] / in use: 2 [409.99 GiB] / in no VG: 0 [0   ]
Aug 13 16:15:48:  Executing service ocie stop
Aug 13 16:15:57:  Executing service ocieau stop
Aug 13 16:16:28:  Executing service mysql stop
Aug 13 16:16:32:  Executing umount /data
Aug 13 16:16:33:  Executing blockdev -q --rereadpt /dev/sdc/dev/sde
blockdev: cannot open /dev/sdc/dev/sde: Not a directory
Aug 13 16:16:33:  blockdev failed



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