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Conference turris::digital_unix

Title:DIGITAL UNIX(FORMERLY KNOWN AS DEC OSF/1)
Notice:Welcome to the Digital UNIX Conference
Moderator:SMURF::DENHAM
Created:Thu Mar 16 1995
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:10068
Total number of notes:35879

9345.0. "ubc-nfsloopback parameter??" by NQOS01::rcoras6.rco.dec.com::Workbench () Tue Apr 01 1997 10:24

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Note: 475.0                  ubc-nfsloopback parameter??           0 replies
NQOS01::16.132.176.15::Workbench                     6 lines  31-MAR-1997 
10:38
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Folks,

Could someone please describe the purpose and use of the ubc-nfsloopback
parameter?  (Is this documented somewhere?)

Thanks.

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9345.1ubc-nfsloopback is to avoid deadlocks and improve performance of local nfs mountsNETRIX::&quot;[email protected]&quot;SriTue Apr 01 1997 18:0015
Hi,

	This fixes a deadlock when using NFS loopback, mounts.  
If the configurable ubc_nfsloopback is set, all dirty 
pages will be skipped while performing a critical routine thus,
avoiding deadlock situation(s). NFS loopback mounts, i.e., 
mounting an NFS filesystem as a client on the same system 
it is served from. Even if you're not doing loopback mounts, this
is a good parameter to have, as it fixes numerous related problems,
and thus increases performance.

-Sri

	
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