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Thread View: comp.unix.wizards
5 messages
5 total messages Started by Steve Schindler Tue, 05 Jan 1993 19:19
Showmount Problem
#6978
Author: Steve Schindler
Date: Tue, 05 Jan 1993 19:19
19 lines
1252 bytes
We run a pcnfs deamon on our server to allow DOS clients to print on the 
server's laser printer. When the clients "link" their PCs to the server,
they are actually mounting to /usr/tmp and /usr/spool/lp/pcnfs. The problem 
occurs when the clients "unlink" their PCs. The "showmount" command still
shows them as mounted and I haven't found a way to clear the table. Note that
everything works correctly when they "link" to the server's disk drive as a
remote drive for their PC.

The server is running Interactive Unix v3.2.

Any ideas would be greatly apperciated.

Thanks,
Steve 
-- 
-------------------------------------------------------------------------
Steve Schindler     Voice Systems Branch      NASA - Kennedy Space Center 
internet: steve@vulture.ksc.nasa.gov
NASAmail: (site:smtpmail,id:<steve(a)vulture.ksc.nasa.gov>)
Re: Showmount Problem
#6981
Author: Manfred Kwiatkowski
Date: Thu, 07 Jan 1993 17:41
20 lines
1369 bytes
In article <1993Jan5.141928.4736@titan.ksc.nasa.gov>, steve@vulture.ksc.nasa.gov (Steve Schindler) writes:
|> We run a pcnfs deamon on our server to allow DOS clients to print on the 
|> server's laser printer. When the clients "link" their PCs to the server,
|> they are actually mounting to /usr/tmp and /usr/spool/lp/pcnfs. The problem 
|> occurs when the clients "unlink" their PCs. The "showmount" command still
|> shows them as mounted and I haven't found a way to clear the table. Note that
|> everything works correctly when they "link" to the server's disk drive as a
|> remote drive for their PC.
|> 
|> The server is running Interactive Unix v3.2.
|> 
|> Any ideas would be greatly apperciated.
|> 

Try editing /etc/rmtab

Hope this helps...

--
Manfred Kwiatkowski         kwiatkowski@zrz.tu-berlin.de
Re: Showmount Problem
#6982
Author: Steve Schindler
Date: Thu, 07 Jan 1993 19:09
22 lines
1279 bytes
>Try deleting /etc/rmtab.

Alas, this doesn't affect anything.

According to my Interactive Unix manual, rmtab "is used only to preserve 
information between crashes and is read only by mountd(1M) when it starts up.
The mountd command keeps an in-core table, which it uses to handle requests 
from programs like showmount(1) and shutdown(1M)."

The problem appears to lie in clearing the "in-core" table. Deleteing the 
contents of /etc/rmtab has no effect.

Thanks for the suggestion, though.

Steve

-- 
-------------------------------------------------------------------------
Steve Schindler     Voice Systems Branch      NASA - Kennedy Space Center 
internet: steve@vulture.ksc.nasa.gov
NASAmail: (site:smtpmail,id:<steve(a)vulture.ksc.nasa.gov>)
Re: Showmount Problem
#6986
Author: Manfred Kwiatkowski
Date: Fri, 08 Jan 1993 16:44
18 lines
1279 bytes
In article <1993Jan7.140900.4773@titan.ksc.nasa.gov>, steve@vulture.ksc.nasa.gov (Steve Schindler) writes:
|> 
|> >Try deleting /etc/rmtab.
|>
|> Alas, this doesn't affect anything.

True, indeed.
|>
|> According to my Interactive Unix manual, rmtab "is used only to preserve
|> information between crashes and is read only by mountd(1M) when it starts up.
|> The mountd command keeps an in-core table, which it uses to handle requests
|> from programs like showmount(1) and shutdown(1M)."

Restarting mountd does the trick. I tried this one. :-)
No obvious side effects encountered.

--
Manfred Kwiatkowski         kwiatkowski@zrz.tu-berlin.de
Re: Showmount Problem
#6990
Author: Barry Margolin
Date: Fri, 08 Jan 1993 21:50
11 lines
938 bytes
In article <1993Jan7.140900.4773@titan.ksc.nasa.gov> steve@vulture.ksc.nasa.gov (Steve Schindler) writes:
>>Try deleting /etc/rmtab.
>According to my Interactive Unix manual, rmtab "is used only to preserve 
>information between crashes and is read only by mountd(1M) when it starts up.

Kill mountd, delete /etc/rmtab, restart mountd.
-- 
Barry Margolin
System Manager, Thinking Machines Corp.

barmar@think.com          {uunet,harvard}!think!barmar
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