For some reason my storageVM was in a state where things "worked" but
automated snapshots were not working.

Basically the step where libvirt created a stapshot on the primary storage
worked - but the step to have the snapshot parent copied to the secondary
storage was not working. I got automated snapshots working again by
rebooting the storage systemVM.

However, when i look at libvirt I can see there are many snapshots on the
primary storage. A 12G filesystem has a qcow2 size of 220GB.

virsh snapshot-list --parent i-3-14-VM
 Name                 Creation Time             State           Parent
------------------------------------------------------------
 24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130125025313 2013-01-25
02:53:13 +0000 running
 24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130126025313 2013-01-26
02:53:13 +0000 running
24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130125025313
 24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130127025313 2013-01-27
02:53:13 +0000 running
24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130126025313
 24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130128025313 2013-01-28
02:53:13 +0000 running
24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130127025313
 24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130129025313 2013-01-29
02:53:13 +0000 running
24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130128025313
 24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130130025313 2013-01-30
02:53:13 +0000 running
24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130129025313
 24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130131025313 2013-01-31
02:53:13 +0000 running
24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130130025313
 24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130201025313 2013-02-01
02:53:13 +0000 running
24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130131025313
 24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130201223643 2013-02-01
22:36:43 +0000 running
24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130201025313

The actual qcow2 file looks like a much bigger wreck:

qemu-img info /gluster/qcow2/images/7ec192c1-ecee-4f5e-8e3d-567f7878ceb1
image: /gluster/qcow2/images/7ec192c1-ecee-4f5e-8e3d-567f7878ceb1
file format: qcow2
virtual size: 100G (107374182400 bytes)
disk size: 211G
cluster_size: 65536
backing file: /gluster/qcow2/images/cb151441-209c-4f43-a2a4-b390c9bb9768
(actual path: /gluster/qcow2/images/cb151441-209c-4f43-a2a4-b390c9bb9768)
Snapshot list:
ID        TAG                 VM SIZE                DATE       VM CLOCK
1         24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20121230025415
1.0G 2012-12-30 02:54:16  785:39:01.680
2         24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20121231025415
1.0G 2012-12-31 02:54:16  809:35:35.417
3         24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130101025415
1.0G 2013-01-01 02:54:16  833:24:20.046
4         24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130102025415
1.0G 2013-01-02 02:54:15  857:13:02.766
5         24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130103025415
1.0G 2013-01-03 02:54:15  881:01:42.467
6         24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130104025415
1.0G 2013-01-04 02:54:15  904:50:29.840
7         24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130105025415
1.0G 2013-01-05 02:54:16  928:39:17.670
8         24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130106025415
1.0G 2013-01-06 02:54:16  952:28:07.139
9         24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130107025415
1.1G 2013-01-07 02:54:16  976:16:58.396
10        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130108025415
1.1G 2013-01-08 02:54:15 1000:05:45.624
11        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130109025415
1.1G 2013-01-09 02:54:15 1023:54:25.482
12        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130110025415
1.1G 2013-01-10 02:54:16 1047:43:17.503
13        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130111025415
1.1G 2013-01-11 02:54:16 1071:32:03.747
14        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130112025415
1.1G 2013-01-12 02:54:16 1095:20:52.220
15        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130113025415
1.1G 2013-01-13 02:54:16 1119:09:43.387
16        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130114025415
1.1G 2013-01-14 02:54:16 1142:58:32.657
17        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130115025415
1.1G 2013-01-15 02:54:16 1166:47:20.084
18        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130116025416
1.1G 2013-01-16 02:54:16 1190:36:06.729
19        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130117025416
1.1G 2013-01-17 02:54:16 1214:24:53.904
20        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130118025415
1.1G 2013-01-18 02:54:16 1238:13:35.640
21        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130119025415
1.1G 2013-01-19 02:54:16 1262:02:17.839
22        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130120025415
1.1G 2013-01-20 02:54:16 1285:51:01.114
23        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130121025415
1.1G 2013-01-21 02:54:16 1309:39:49.956
24        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130122025416
1.1G 2013-01-22 02:54:16 1333:28:39.703
25        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130123025415
1.1G 2013-01-23 02:54:16 1357:17:25.426
26        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130124025416
1.1G 2013-01-24 02:54:16 1381:06:04.731
27        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130125025313
517M 2013-01-25 02:53:13   04:46:52.307
28        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130126025313
678M 2013-01-26 02:53:13   28:44:35.134
29        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130127025313
918M 2013-01-27 02:53:13   52:42:00.249
30        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130128025313
1.1G 2013-01-28 02:53:13   76:38:55.428
31        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130129025313
1.2G 2013-01-29 02:53:13  100:35:27.978
32        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130130025313
1.2G 2013-01-30 02:53:13  124:31:55.179
33        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130131025313
1.3G 2013-01-31 02:53:13  148:28:17.744
34        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130201025313
1.3G 2013-02-01 02:53:13  172:24:33.630
35        24661080-ae91-468d-b8f0-030b5b36f786_ROOT-14_20130201223643
1.3G 2013-02-01 22:36:43  192:04:17.498

Suggestions on how I can clean up these extra snapshots?

-Bryan

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