From: Kapeller Rene PSI <rene.kapeller@psi.ch>
To: Stuart Sheldon <stu@actusa.net>
Cc: nfs@lists.sourceforge.net
Subject: Re: take away nfs write permissions instantly
Date: Thu, 20 Jun 2002 16:58:05 +0200 [thread overview]
Message-ID: <3D11ED7D.50407@psi.ch> (raw)
In-Reply-To: 3D11E5AF.2050008@actusa.net
exportfs -r did not help either!
(Since I do not fully understand the difference between exportfs -a and
exportfs -r, I usually do both.)
Btw, I'm using RedHat-7.3 (nfs-utils-0.3.3) on the Linux side.
Rene
Stuart Sheldon wrote:
> Did you run exportfs -r after you changed exports?
>
> Stu
>
>
> Kapeller Rene PSI wrote:
>
>> Can anyone help me on the following problem:
>>
>> In order to take away nfs write permissions instantly for a previously
>> mounted
>> nfs directory called '/data', I'm changing the export options for '/data'
>> on the server to 'ro', while keeping the mount on the client.
>>
>> exportfs -io ro,sync,wdelay,no_root_squash nfsclient:/data
>>
>> exportfs -v
>> /data nfsserver(ro,wdelay,no_root_squash)
>>
>> Surprisingly the client can still write to /data at this point, unless
>> I do
>> umount/mount of /data.
>>
>> Is this the way it's suposed to work?
>>
>> Changing the nfs export options on a SunOS 5.6 while clients have
>> mounted
>> a nfs path, write permissions are instantly taken away from it.
>>
>> share -F nfs -o ro,root=nfsclient /data
>>
>> In both cases I used the following nfs mount options:
>> mount -o rw,sync,nfsvers=3,wsize=32768,rsize=32768
>>
>> Thanks!
>> - Rene
>>
>>
>>
>>
>> -------------------------------------------------------
>> Bringing you mounds of caffeinated joy
>> >>> http://thinkgeek.com/sf <<<
>>
>> _______________________________________________
>> NFS maillist - NFS@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/nfs
>
>
-------------------------------------------------------
Bringing you mounds of caffeinated joy
>>> http://thinkgeek.com/sf <<<
_______________________________________________
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next prev parent reply other threads:[~2002-06-20 14:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-20 10:39 take away nfs write permissions instantly Kapeller Rene PSI
2002-06-20 14:24 ` Stuart Sheldon
2002-06-20 14:58 ` Kapeller Rene PSI [this message]
2002-06-20 16:44 ` Tom McNeal
2002-06-21 3:00 ` Neil Brown
2002-06-21 3:47 ` Kapeller Rene PSI
2002-06-21 5:13 ` Neil Brown
2002-06-21 14:57 ` Bernd Schubert
2002-06-21 18:04 ` Tom McNeal
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