Best of the Newsgroups: visionfs lockd lock daemon

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From: "Brian K. White" <brian@aljex.com>
References: <20040501233710.A8890@egps.egps.com> 
Subject: Re: [jpr@jpr.com: Re: Simple stupid shell script]
Date: Sun, 2 May 2004 00:36:31 -0400
Message-ID: <m9udnaT1UJxK5wnd4p2dnA@comcast.com> 

Nachman Yaakov Ziskind wrote:
> So, vfslockd (the vision FS lock daemon) keeps dying. And when it
> does, people cannot print. People that cannot print are unhappy. And
> I like happy people. And the Tarantella NGs offer no succor (my posts
> are ignored). So, I hit upon solution, or at least a band-aid(TM):
> run a cron job every five minutes which does 'ps -ef|grep lock' and
> looks for the string 'vfslockd' in the output. If there, die quietly;
> otherwise restart vision services (the only known cure).
>
> But I don't know how to write shell scripts. :-(
>
> (And I can't switch this box for Linux, as Linux doesn't run certain
> executables I need. And I don't have the skill set to run Samba on
> SCO,
> even if it *is* legal.)
>
>
> NYZ

Are you saying you found this advice somewhere and want to know how to do
it?

Or are you saying you did it and just wanted to record the work around here
for others to find if they need it?

The shell script would look like this (two lines):

/usr/local/bin/checkvision
---snip---
#!/bin/sh
ps -eocomm |grep -q vfslockd || /usr/vision/bin/visionfs start
---snip---

the crontab entry would look like this:
run crontab -e
1,6,11,16,21,26,31,36,41,46,51,56 * * * * /usr/local/bin/checkvision
>/dev/null 2>&1

That said, I can't beleive this is really the correct solution to the
problem. Something causes vfslockd to die. It should be found and corrected.
I'd start with applying any os patches that, uh, apply, and patching
visionfs up to the latest version.

-- 
Brian K. White  --  brian@aljex.com  --  http://www.aljex.com/bkw/
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