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Date:      Tue, 1 Aug 1995 11:02:16 +0100 (BST)
From:      Doug Rabson <dfr@render.com>
To:        "Jordan K. Hubbard" <jkh@time.cdrom.com>
Cc:        current@freefall.cdrom.com
Subject:   Re: High weirdness with current NFS..
Message-ID:  <Pine.BSF.3.91.950801110151.3185R-100000@minnow.render.com>
In-Reply-To: <199508010331.UAA05285@time.cdrom.com>

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On Mon, 31 Jul 1995, Jordan K. Hubbard wrote:

> I generally have two filesystems mounted from my gateway machine, throck,
> to my main development box - time.  Both machines run -current.  All
> fine and dandy, except I recently changed throck's address info a bit
> so that it's gateway address (the ppp line) was jkh-gw and its "ethernet"
> address was throck.  This makes it less confusing for me to deal with
> its dual presence in two subnets (naming it "throck" in both is greatly
> evil and causes OTHER problems with NFS and the order in which stuff is
> looked up in DNS, but I digress). ANYWAY, that's not the issue so much as
> that when I changed the name, the mounts no longer worked and the behavior
> exibited by NFS in the face of said failure is the "high weirdness" part.
> I know WHY it fails, but I don't think it should be failing in this particular
> way.  To wit:
> 
> root@time-> grep throck /etc/fstab 
> throck:/usr                     /host/throck/usr        nfs     rw,tcp 0 0
> throck:/cdrom                   /host/throck/cdrom      nfs     ro,tcp 0 0
> 
> root@time-> ls -l /host/throck/usr 
> ls: /host/throck/usr: Permission denied
> 
> Heh?!
> 
> root@time-> ls -l /host/throck 
> ls: usr: Permission denied
> total 2
> drwxrwxr-x  2 root  wheel  512 Jan  6  1995 cdrom
> 
> !!!
> 
> /host/throck/usr IS there, if I do:
> 
> root@time-> mkdir /host/throck/usr 
> mkdir: /host/throck/usr: File exists
> 
> I get the expected result.  But to not be able to even look at it as
> root?  Hmmm!
> root@time-> ps ax | grep mount
>    86 ??  Is     0:00.11 mountd
>  5281 p5  S+     0:00.03 grep mount
> 
> Nope, no mount running against it, so I don't even have the easy explanation
> of the inode being locked somehow as the mount tries futilely to do it..

What is the output of df?  mount?


--
Doug Rabson, Microsoft RenderMorphics Ltd.	Mail:  dfr@render.com
						Phone: +44 171 251 4411
						FAX:   +44 171 251 0939




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