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From: wbp AT nodomain DOT invalid (Will Parsons)
Subject:  Re: ls slow on top-level directory (was: NFS errors)
Date: Mon, 27 Jun 2005 14:50:58 +0000 (UTC)
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Message-ID:  <slrndc04vn.21k.wbp@L1422169.w-intra.net>
References:  <slrndbvsg5 DOT 39c DOT wbp AT L1422169 DOT w-intra DOT net> <Pine DOT GSO DOT 4 DOT 61 DOT 0506270903210 DOT 10029 AT slinky DOT cs DOT nyu DOT edu> <slrndc00li DOT 21k DOT wbp AT L1422169 DOT w-intra DOT net>
Reply-To: william DOT b DOT parsons AT us DOT westinghouse DOT com
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<snip>
> However, after some more experimentation, I see the "ls /xp" eventually
> does return, after about 17 minutes.  So it appears as though NFS kind of
> works, but so slowly as to be useless.  There is no problem with other
> types of network access, e.g., I am logged on to the client machine vai ssh
> without problems.

It looks like NFS is not completely to blame.  It turns out that doing an
"ls" on the directory "/c" or "/exports/c" (both mount points for c:) is
also unusually slow, though it takes a mere 45 seconds rather than 17
minutes to return.  If I export and mount a subdirectory of c:, however,
NFS seems to work satisfactorily.  I notice that "ls" reports:

/bin/ls: hiberfil.sys: No such file or directory
/bin/ls: pagefile.sys: No such file or directory

"ls hi<tab>" completes to "ls hiberfil.sys", and shows the same message.

Could this have something to do with the slow response?  Although if I do
an "ls h*", the above response comes back immediately, not after a wait.

- Will


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