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[Dafna Ron <dron@xxxxxxxxxx>]

Public bug reported:

I configured my setup to work with preallocation. 
I resized instances and they fail to resize on disk space. 
when you destroy the instances the _resize file is not removed from the /var/lib/nova/instances dir:

[root@orange-vdsf instances(keystone_admin)]# ls -l /var/lib/nova/instances/
total 52
drwxr-xr-x 2 nova nova 4096 May 16 17:34 1a98eefe-ba41-49b7-931a-ebe54796e343
drwxr-xr-x 2 nova nova 4096 May 16 17:33 1a98eefe-ba41-49b7-931a-ebe54796e343_resize
drwxr-xr-x 2 nova nova 4096 May 16 17:32 5f87fd7e-4f85-4c41-ab12-3bf680160281
drwxr-xr-x 2 nova nova 4096 May 16 17:29 5f87fd7e-4f85-4c41-ab12-3bf680160281_resize
drwxr-xr-x 2 nova nova 4096 May 16 17:39 7610109e-b631-40a5-9fa0-1bf150560503
drwxr-xr-x 2 nova nova 4096 May 16 17:38 7610109e-b631-40a5-9fa0-1bf150560503_resize
drwxr-xr-x 2 nova nova 4096 May 16 17:31 a4aefac9-feb8-40d7-9228-1df6a02d9e13
drwxr-xr-x 2 nova nova 4096 May 16 17:29 a4aefac9-feb8-40d7-9228-1df6a02d9e13_resize
drwxr-xr-x 2 nova nova 4096 May 16 13:20 _base
-rw-r--r-- 1 nova nova    0 May 16 17:48 compute_nodes
drwxr-xr-x 2 nova nova 4096 May 16 17:40 d1e28a92-3ba2-402e-a798-ff8ff9a6bd98
drwxr-xr-x 2 nova nova 4096 May 16 17:38 d1e28a92-3ba2-402e-a798-ff8ff9a6bd98_resize
drwxr-xr-x 2 nova nova 4096 May 15 11:09 locks
drwxr-xr-x 2 nova nova 4096 May 15 18:34 snapshots
[root@orange-vdsf instances(keystone_admin)]# 
[root@orange-vdsf instances(keystone_admin)]# 
[root@orange-vdsf instances(keystone_admin)]# 
[root@orange-vdsf instances(keystone_admin)]# 
[root@orange-vdsf instances(keystone_admin)]# 
[root@orange-vdsf instances(keystone_admin)]# 
[root@orange-vdsf instances(keystone_admin)]# ls -l /var/lib/nova/instances/
total 32
drwxr-xr-x 2 nova nova 4096 May 16 17:33 1a98eefe-ba41-49b7-931a-ebe54796e343_resize
drwxr-xr-x 2 nova nova 4096 May 16 17:29 5f87fd7e-4f85-4c41-ab12-3bf680160281_resize
drwxr-xr-x 2 nova nova 4096 May 16 17:38 7610109e-b631-40a5-9fa0-1bf150560503_resize
drwxr-xr-x 2 nova nova 4096 May 16 17:29 a4aefac9-feb8-40d7-9228-1df6a02d9e13_resize
drwxr-xr-x 2 nova nova 4096 May 16 13:20 _base
-rw-r--r-- 1 nova nova    0 May 16 17:48 compute_nodes
drwxr-xr-x 2 nova nova 4096 May 16 17:38 d1e28a92-3ba2-402e-a798-ff8ff9a6bd98_resize
drwxr-xr-x 2 nova nova 4096 May 15 11:09 locks
drwxr-xr-x 2 nova nova 4096 May 15 18:34 snapshots
[root@orange-vdsf instances(keystone_admin)]# 


running qemu-img info I can see that the disk is not deleted as well:

[root@orange-vdsf instances(keystone_admin)]# qemu-img info /var/lib/nova/instances/1a98eefe-ba41-49b7-931a-ebe54796e343_resize/disk
image: /var/lib/nova/instances/1a98eefe-ba41-49b7-931a-ebe54796e343_resize/disk
file format: raw
virtual size: 1.0G (1073741824 bytes)
disk size: 1.0G
[root@orange-vdsf instances(keystone_admin)]# 

(the instances were launched with tiny flavour which is 1GB).

** Affects: nova
     Importance: Undecided
         Status: New

-- 
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https://bugs.launchpad.net/bugs/1320273

Title:
  _resize files are not cleaned when we destroy instances after failed
  resize because of disk space

Status in OpenStack Compute (Nova):
  New

Bug description:
  I configured my setup to work with preallocation. 
  I resized instances and they fail to resize on disk space. 
  when you destroy the instances the _resize file is not removed from the /var/lib/nova/instances dir:

  [root@orange-vdsf instances(keystone_admin)]# ls -l /var/lib/nova/instances/
  total 52
  drwxr-xr-x 2 nova nova 4096 May 16 17:34 1a98eefe-ba41-49b7-931a-ebe54796e343
  drwxr-xr-x 2 nova nova 4096 May 16 17:33 1a98eefe-ba41-49b7-931a-ebe54796e343_resize
  drwxr-xr-x 2 nova nova 4096 May 16 17:32 5f87fd7e-4f85-4c41-ab12-3bf680160281
  drwxr-xr-x 2 nova nova 4096 May 16 17:29 5f87fd7e-4f85-4c41-ab12-3bf680160281_resize
  drwxr-xr-x 2 nova nova 4096 May 16 17:39 7610109e-b631-40a5-9fa0-1bf150560503
  drwxr-xr-x 2 nova nova 4096 May 16 17:38 7610109e-b631-40a5-9fa0-1bf150560503_resize
  drwxr-xr-x 2 nova nova 4096 May 16 17:31 a4aefac9-feb8-40d7-9228-1df6a02d9e13
  drwxr-xr-x 2 nova nova 4096 May 16 17:29 a4aefac9-feb8-40d7-9228-1df6a02d9e13_resize
  drwxr-xr-x 2 nova nova 4096 May 16 13:20 _base
  -rw-r--r-- 1 nova nova    0 May 16 17:48 compute_nodes
  drwxr-xr-x 2 nova nova 4096 May 16 17:40 d1e28a92-3ba2-402e-a798-ff8ff9a6bd98
  drwxr-xr-x 2 nova nova 4096 May 16 17:38 d1e28a92-3ba2-402e-a798-ff8ff9a6bd98_resize
  drwxr-xr-x 2 nova nova 4096 May 15 11:09 locks
  drwxr-xr-x 2 nova nova 4096 May 15 18:34 snapshots
  [root@orange-vdsf instances(keystone_admin)]# 
  [root@orange-vdsf instances(keystone_admin)]# 
  [root@orange-vdsf instances(keystone_admin)]# 
  [root@orange-vdsf instances(keystone_admin)]# 
  [root@orange-vdsf instances(keystone_admin)]# 
  [root@orange-vdsf instances(keystone_admin)]# 
  [root@orange-vdsf instances(keystone_admin)]# ls -l /var/lib/nova/instances/
  total 32
  drwxr-xr-x 2 nova nova 4096 May 16 17:33 1a98eefe-ba41-49b7-931a-ebe54796e343_resize
  drwxr-xr-x 2 nova nova 4096 May 16 17:29 5f87fd7e-4f85-4c41-ab12-3bf680160281_resize
  drwxr-xr-x 2 nova nova 4096 May 16 17:38 7610109e-b631-40a5-9fa0-1bf150560503_resize
  drwxr-xr-x 2 nova nova 4096 May 16 17:29 a4aefac9-feb8-40d7-9228-1df6a02d9e13_resize
  drwxr-xr-x 2 nova nova 4096 May 16 13:20 _base
  -rw-r--r-- 1 nova nova    0 May 16 17:48 compute_nodes
  drwxr-xr-x 2 nova nova 4096 May 16 17:38 d1e28a92-3ba2-402e-a798-ff8ff9a6bd98_resize
  drwxr-xr-x 2 nova nova 4096 May 15 11:09 locks
  drwxr-xr-x 2 nova nova 4096 May 15 18:34 snapshots
  [root@orange-vdsf instances(keystone_admin)]# 

  
  running qemu-img info I can see that the disk is not deleted as well:

  [root@orange-vdsf instances(keystone_admin)]# qemu-img info /var/lib/nova/instances/1a98eefe-ba41-49b7-931a-ebe54796e343_resize/disk
  image: /var/lib/nova/instances/1a98eefe-ba41-49b7-931a-ebe54796e343_resize/disk
  file format: raw
  virtual size: 1.0G (1073741824 bytes)
  disk size: 1.0G
  [root@orange-vdsf instances(keystone_admin)]# 

  (the instances were launched with tiny flavour which is 1GB).

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