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

[Torsten Spindler]

Public bug reported:

Happened on the Ubuntu training cloud with Ubuntu 9.10.

For testing purposes for training I create 32 volumes with the following script:
for i in $( seq 1 32); do sleep 5; euca-create-volume -s 1 -z classcloud; done

After creating these I remove them with:
for vol in $(euca-describe-volumes | cut -c8-20 | xargs); do euca-delete-volume $vol; done

I regularly see this error
Volume: Error communicating with Storage Controller: CreateStorageVolume:Internal Error.

I run the two scripts four times with these results:
first run: 31 volumes created
second run: 29 volumes created
third run: 25 volumes created
fourth run: 25 volumes created

I counted the volumes with
euca-describe-volumes | grep avail | wc -l

As the last run was completely without the error 'Volume: Error
communicating ...' something else is hindering the volumes from being
created as well.

** Affects: eucalyptus (Ubuntu)
     Importance: Undecided
         Status: New

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