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From Geoff Higginbottom <>
Subject RE: Force cleaning primary storage.
Date Mon, 02 Feb 2015 16:36:37 GMT
Hi Dan,

Please share the following to help the community help you

1. version of cloudstack
2. Hypervisor Type
3. Primary Storage Type e.g. NFS / iSCSI

I can confirm CloudStack is supposed to delete Root Volumes from physical storage after the
VM has been deleted, but Data volumes are left in CloudStack as a safeguard against accidental
deletion.  However if you then delete the Data volume from the UI, it will also be deleted
from Primary Storage.

There are some settings which control the expunge delay within CloudStack, these are:


If you could also share what these settings are, that would also help


Geoff Higginbottom

D: +44 20 3603 0542 | S: +44 20 3603 0540 | M: +447968161581

-----Original Message-----
From: Dan Dong []
Sent: 02 February 2015 16:12
Subject: Force cleaning primary storage.

Hi, All,
  I found the primary storages are keep decreasing after I create and then destroy VMs. Although
the VMs are destroyed and expunged, their occupation on primary storage seems never been released(
even after weeks).
Is there a way to force releasing the disk space after a VM has been destroyed?

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