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[Bug 1252321] Re: Nova counts NFS shared storage space on each node

 

This is an automated cleanup. This bug report has been closed because it
is older than 18 months and there is no open code change to fix this.
After this time it is unlikely that the circumstances which lead to
the observed issue can be reproduced.

If you can reproduce the bug, please:
* reopen the bug report (set to status "New")
* AND add the detailed steps to reproduce the issue (if applicable)
* AND leave a comment "CONFIRMED FOR: <RELEASE_NAME>"
  Only still supported release names are valid (LIBERTY, MITAKA, OCATA, NEWTON).
  Valid example: CONFIRMED FOR: LIBERTY


** Changed in: nova
   Importance: Medium => Undecided

** Changed in: nova
       Status: Confirmed => Expired

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https://bugs.launchpad.net/bugs/1252321

Title:
  Nova counts NFS shared storage space on each node

Status in OpenStack Compute (nova):
  Expired

Bug description:
  In case of multiple compute nodes each having its
  /var/lib/nova/instances directory mounted via NFS from shared storage
  server, Nova gathers free space statistics from each compute node and
  adds them, making the theoretical total disk space equal N times the
  real one (N is the number of nodes we have).

  There is no way currently to tell nova not to do that. It could be
  easily done by examining /var/lib/nova/instances/compute_nodes files
  which says what compute nodes use that storage. Nova could then count
  only one of these nodes to have a real value.

  This problem affects scheduling and nova hypervisor statistics.

  Maillist conversation:
  http://lists.openstack.org/pipermail/openstack/2013-November/002763.html

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