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 Reappearing files on Munin
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clithero
Junior Member

37 Posts

Posted - Jun 16 2010 :  3:10:20 PM  Show Profile  Reply with Quote
Hi,
I have a bunch of files that - no matter how I delete them (I've tried on Mac, Windows, via qinteract on Hugin) they reappear at 3:40 AM.
This is mostly true in Imagene.01 for me.
Happy to point people to the files off of the forum...
Is there a way to fix this?
Thanks,
John

petty
BIAC Staff

USA
453 Posts

Posted - Jun 16 2010 :  3:36:16 PM  Show Profile  Reply with Quote
hey john, thats around the time of the auto-snapshots on munin ... you may want to send francis the name of a file so he can look into it.
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francis.favorini
Forum Admin

USA
618 Posts

Posted - Jun 17 2010 :  1:29:24 PM  Show Profile  Visit francis.favorini's Homepage  Reply with Quote
Snapshots would not cause files to "reappear." All snapshots exist only under the ~snapshot (or .snapshot) directory. Either the files are being recreated by some external process, or they are not being deleted (probably because they are locked open by some external process). Do the files get a new date every time they reappear?

IT Director, Brain Imaging and Analysis Center
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clithero
Junior Member

37 Posts

Posted - Jun 17 2010 :  2:33:57 PM  Show Profile  Reply with Quote
Hi,
I have deleted these files multiple times and from multiple different computers and nodes. I'm not sure what external process could be locking them?
Yes, they get a new date every time they reappear, so right now they say "Yesterday, 3:40 AM".
Thanks,
John
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petty
BIAC Staff

USA
453 Posts

Posted - Jun 17 2010 :  3:03:30 PM  Show Profile  Reply with Quote
can you send me a link to one of the files?
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petty
BIAC Staff

USA
453 Posts

Posted - Jun 17 2010 :  3:49:57 PM  Show Profile  Reply with Quote
i checked to see if you have any files open on all the cluster nodes, which you only did through your current job.

on any linux system you can what files you have open with "lsof"

as francis mentioned these could be stuck open on another machine, which would prevent you from removing them. lsof will only work on the machine that they are open on.
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dvsmith
Advanced Member

USA
218 Posts

Posted - Jun 17 2010 :  4:11:30 PM  Show Profile  Visit dvsmith's Homepage  Reply with Quote
I've been having the same problem on Munin, but I don't think I've tested it quite as thoroughly as John has at this point. Mine were re-appearing at 3:20am a couple of months ago (currently trying it again right now). I'm not sure how any of these files could've been open on any machine when I deleted them; I can't think of any external process that I have control over that would be responsible for this.

Thanks!
David

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