[Bug 517086] Re: euca-create-volume fails at times with Error communicating with Storage Controller

[Torsten Spindler]

On Lucid, I don't get the Volume: Error communicating with Storage
Controller: CreateStorageVolume:Internal Error. error anymore. However,
not all volume groups are deleted:

$ sudo lvscan 
  ACTIVE            '/dev/vg-wsdyiQ../lv-K0hXfA..' [1.00 GiB] inherit
$ sudo vgscan 
  Reading all physical volumes.  This may take a while...
  Found volume group "vg-wsdyiQ.." using metadata type lvm2

Note that at times a volume is stuck in the 'creating' stage. It can be
deleted via euca-delete-volume, but deletion does not seem to be
complete.

The situation seems to get worse when doing the create/delete volume
more often:

$ for i in $(seq 1 32); do euca-create-volume -s 1 -z torsten; done
$ euca-describe-volumes | grep avail | wc -l
29
$ euca-describe-volumes | grep creat | wc -l
3
$ for i in $(euca-describe-volumes | cut -c8-20 | xargs); do euca-delete-volume $i; done

$ for i in $(seq 1 32); do euca-create-volume -s 1 -z torsten; done
$ euca-describe-volumes | grep avail | wc -l
26
$ euca-describe-volumes | grep creat | wc -l
6
$ for i in $(euca-describe-volumes | cut -c8-20 | xargs); do euca-delete-volume $i; done

$ for i in $(seq 1 32); do euca-create-volume -s 1 -z torsten; done
$ euca-describe-volumes | grep avail | wc -l
24
$ euca-describe-volumes | grep creat | wc -l
8
$ for i in $(euca-describe-volumes | cut -c8-20 | xargs); do euca-delete-volume $i; done

-- 
euca-create-volume fails at times with Error communicating with Storage Controller
https://bugs.launchpad.net/bugs/517086
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