Bug 474845 - EC2E AMis shutting down and resetarting
EC2E AMis shutting down and resetarting
Product: Red Hat Enterprise MRG
Classification: Red Hat
Component: grid (Show other bugs)
All Linux
high Severity high
: 1.1
: ---
Assigned To: Robert Rati
Jeff Needle
Depends On:
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Reported: 2008-12-05 11:05 EST by Robert Rati
Modified: 2009-02-04 11:04 EST (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2009-02-04 11:04:58 EST
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Description Robert Rati 2008-12-05 11:05:43 EST
Description of problem:
It's been observed a few times that EC2E AMIs would start and apparently run jobs, but the source jobs would move from R->C->R.  The AMIs would shutdown and then restart (possibly the job being re-routed?).  When this occurs, the thrashing never seems to end.  No jobs complete and AMIs keep being restarted.

Version-Release number of selected component (if applicable):

How reproducible:

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Additional info:
Comment 1 Robert Rati 2008-12-10 13:37:06 EST
This is being caused by a failure in the finalization process.  The exit hook is executed and then condor fails to find a file it is expecting in the spool directory so the finalization process fails and condor sets the JobStatus = 1.  This causes the job to be re-routed and a new AMI started.  The reason the finalization process can't find the files it is looking for is because the exit hook is being told that the spool directory is in a different location than it should be.  In the case I am seeing, a job is submitted from /home/testmonkey/ec2e and the routed job has:

SUBMIT_Iwd = "/home/testmonkey/ec2e"
Iwd = "/mnt/sharedfs/condor_ha_schedd/cluster3142.proc0.subproc0"

The spool directory that the exit hook is being given is "/home/testmonkey/ec2e", not "/mnt/sharedfs/condor_ha_schedd/cluster3142.proc0.subproc0".  So the exit hook is extracting the tarball in S3 into "/home/testmonkey/ec2e" instead of the ...cluster3142... dir, thus the finalization process can't find the files it needs to complete.
Comment 2 Robert Rati 2008-12-16 21:49:12 EST
The jobs are no longer forcibly spooled by the hooks, and the finalize hook does the extracting/remapping of files back to the original job's iwd, as opposed to extracting the files from AWS into the routed job's spool directory.

Fixed in:
Comment 5 errata-xmlrpc 2009-02-04 11:04:58 EST
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.


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