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Re: mail corruption with dotlock/nfs

2008-03-09 20:42:45
Michelle Konzack writes,
Am 2008-03-01 14:04:51, schrieb Fletcher Mattox:
filer4b:/vol/vol18/v18q001 on /v/filer4b/v18q001 type nfs \
(rw,sync,tcp,rsize=8192,wsize=8192,intr,grpid,quota,retry=2,noac,addr=x.x.x.x)

Can you see any thing else I can do to improve this?  I will test it
for mail corruption next week.  Thanks for the suggestion!

As already said, use "hard" as an additional option...

Hmm.  The above was taken from the output of mount(1), i.e. /etc/mtab.
I am not sure why "hard" is not listed.  It really is a hard mount.
At least it *should* be.  Hard is the default, and we would never specify
"soft".  I notice "hard" is present in /proc/mounts.

z.cs.utexas.edu$ grep v18q001 /proc/mounts 
  filer4b:/vol/vol18/v18q001 /v/filer4b/v18q001 nfs \
  rw,sync,vers=3,rsize=8192,wsize=8192,hard,intr,proto=tcp,timeo=600,\
  retrans=2,noac,sec=sys,addr=filer4b 0 0
z.cs.utexas.edu$ 

If fact, there are several differences between /etc/mtab and /proc/mounts,
which I can not explain.  It is an automounted filesystem which
gets some flags from an NIS map, while other flags are specified in
/etc/init.d/autofs.  But "soft" is not in either.  I am sure of that.
Most confusing.

Fletcher
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