Date: Fri, 19 May 2000 12:41:49 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Jaye Mathisen <mrcpu@internetcds.com>, hackers@FreeBSD.ORG, stable@FreeBSD.ORG Subject: Re: NFS problems on 4.0-stable. Message-ID: <200005191941.MAA40371@apollo.backplane.com> References: <Pine.BSF.4.21.0005181949220.26845-100000@schizo.cdsnet.net> <v04210101b54b1c26aec3@[128.113.24.47]>
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:At 7:50 PM -0700 5/18/00, Jaye Mathisen wrote:
:>UDP v2 mounts, Netapp Filer.
:>
:>Getting a fair # of:
:>got bad cookie vp 0xd24bf1c0 bp 0xc9090500
:>got bad cookie vp 0xd24bfda0 bp 0xc906ceb0
:>
:...
:>on the console, and it seems to lock the machine up for several
:>minutes when it does. Then it comes back to life, and cranks
:>for a while...
Hmmm. There is nothing 'wrong' per say with getting a bad cookie during
a directory search. When FreeBSD gets a cookie error while scanning
a directory, it has to start the scan over again. If you have a very
large directory with lots of clients banging on it, a cookie error
can result in a long delay.
I am guessing that the long blockages are due to getting cookie errors
on a very large directory.
Why are you using a V2 mount? V3 mounts ought to perform much better,
though the cookie error problem you are seeing will probably still be
there.
-Matt
Matthew Dillon
<dillon@backplane.com>
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