Description of problem: The ec2_ebs_volumes allows to attach multiple volumes to EBS instances: ec2_ebs_volumes= vol-abcde15f:/dev/sdl,vol-abcde15e:/dev/sdm but currently only the first volume is attached. Version-Release number of selected component (if applicable): condor-7.6.3-0.2
There was a timing artifact in the gridmanager, where if back-to-back commands are sent too fast it can cause the 2nd command to be ignored by the internal code. The fix is to never ignore back-to-back attach-vol commands.
The problem has been fixed. Multiple volumes are passed to and available from the AMI instance. Verified on RHEL5.7/6.1, i386/x86_64 (submitter machines). condor-classads-7.6.3-0.3 condor-7.6.3-0.3