[SUMMARY] defragcron on CFS volumes

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Date: Tue, 24 Jun 2003 08:58:56 -0400
To: tru64-unix-managers@ornl.gov

     Thanks to all who replied. The consensus is that although the first
     defragcron to hit a domain should lock it and prevent any mischief,
     you should only defragcron a domain from one host at once. There was
     an honorable mention for using vfast instead, but I think that's only
     available on 5.1B.
     
     John

______________________________ Reply Separator _________________________________
Subject: defragcron on CFS volumes
Author: John Speakman at mskcc,BIOST
Date: 6/23/2003 11:40 AM

Hi all
     
A quick question about defragcron. By default (if you uncomment it) it
will defrag all mounted AdvFS (presumably including CFS) volumes. My
question is: if you have a two-node cluster with shared CFS volumes on
an EVA, should you allow defragcron to run on both systems or just one;
if on both, is there a chance that both hosts will try and defrag the
same volume at once and get confused? We are running 5.1APK4.
     
Thanks
John
     
John Speakman - Manager, Clinical Research Systems
Division of Biostatistics, Memorial Sloan-Kettering Cancer Center
307 East 63rd Street, New York, NY 10021, USA
Phone: 646 735 8187 / Fax: 646 735 0013 / E-mail:
speakman@biost.mskcc.org

 
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