Problems (?) with AdvFS and NFS file systems

From: A. Mahendra Rajah, Systems Manager <A.Mahendra.Rajah_at_Meena.CC.URegina.CA>
Date: Tue, 02 Jun 1998 10:13:42 -0600 (CST)

   Background: two Alpha 2000 servers with DU 4.0b; no patches.

   We have two alpha servers (say A and B) situated in two different
   buildings. All the disks on either machine are NFS-mounted on the
   other machine.

   We experience problems copying files to an AdvFS filesystem /u05
   which is local to B and NFS-mounted on A. There are a few directories
   on /u05 all of which are empty (placeholders) except one which
   contains lots of files taking up about 77% of the entire disk.

   Every night, a batch job runs on A that deletes all files in this
   big directory and then attempts to copy another set of large files
   from A. The problem we are experiencing is that `df /u05' on machine
   B still reports 77% usage and so B will not accept the new set of
   files.

   The strange thing is that this number does get reset automagically to
   less than 1% (as it should be) after several minutes! But, this time
   period is not consistent.

   Question: What would cause this behavior? Nobody uses these systems
   at this time of the night (interactive or batch).

   Thanks for any insight.


   -- mahendra
.........................................................................
   A. Mahendra Rajah Email: Mahendra_at_Meena.CC.URegina.CA
   VMS & DUNIX Systems Manager Phone: (306) 585-4496
   Dept. of Computing Services FAX: (306) 585-5060
   University of Regina,
   Regina, Sask., S4S 0A2 .::''''::..
   Canada. .:::. .;'' ``;.
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Received on Tue Jun 02 1998 - 19:22:13 NZST

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