Procedure to Extend Hyper V Failover Cluster CSV Disk

Folks, following are the quick guide to extend CSV disk space for Hyper v 2008 & 2012 Cluster using diskpart.

Steps to extend the CSV Disk

  1. RDP to current CSV owner
  2. Get the LUN ID
  3. Increase size of LUN on your storage.
  4. run diskpart from Command Prompt
  5. rescan
  6. list volume
  7. select volume
  8. extend
  9. list volume

Quick steps to get LUN ID Details. 

  1. Run Diskpart
  2. List Disk
  3. Select Disk no.
  4. Detail Disk
  5. Lun ID

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