 | | | NFS - how to tell the mount options | NFS - how to tell the mount options 2004-03-31 - By Waldher, Travis R
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> -- --Original Message-- --
> From: Rick Stevens [mailto:rstevens@(protected)]
> Sent: Wednesday, March 31, 2004 10:38 AM
> To: Getting started with Red Hat Linux
> Subject: Re: NFS - how to tell the mount options
>
>
> Waldher, Travis R wrote:
> > I forgot where it was...
> >
> > Where is the file that tells me what a NFS mount used as far as
> > options
> > goes? nfsv2 vs v3, cache settings, etc.?
>
> "man nfs " will give you the available options. As far as
> where you specify them at mount time, that 's in /etc/fstab.
>
> > If I don 't manually set how I want it to mount, I don 't know how to
> > tell
> > how it did mount.
>
> "mount " alone should show you which non-default options were
> actually used. Those not displayed use the defaults shown in
> "man nfs ":
>
> [root@(protected) bin]# mount -l -t nfs
> netapp2:/VIRTMAIL on /virtmail type nfs
> (rw,tcp,hard,noac,rsize?92,wsize?92,
> nfsvers=3,addr.24.1.4)
>
> The stuff not displayed use the defaults. The corresponding
> line in /etc/fstab (wrapped for easier reading) is:
>
> netapp2:/VIRTMAIL /virtmail nfs \
> rw,tcp,hard,noac,rsize?92,wsize?92,nfsvers=3
>
> Ok?
Well... Here 's the riddle.
How can I tell which version of nfs is being used. The default
according to the nfs man page is version 2. I didn 't specifically say
use nfsvers2 or 3, so it should have used 2.
Then why are my nfs v3 nfs counters going up when I transfer data?
Client nfs v3:
null getattr setattr lookup access readlink
0 0% 31227016 5% 15363112 2% 19036511 3% 387690989 0% 228600
0%
read write create mkdir symlink mknod
63 0% 76477074 6% 4455603 0% 102785 0% 1276273 0% 24 0%
remove rmdir rename link readdir readdirplus
4114960 0% 168678 0% 10 0% 727 0% 103584 0% 0 0%
fsstat fsinfo pathconf commit
1547 0% 1547 0% 0 0% 4621261 0%
I have about 200 file systems mounted right now, many must be nfsv2,
because that 's all the server supports, obviously others decided to
mount up to nfsv3. BUT, how can I tell. None of the commands you gave
me are telling me anything, and I never specified in the fstab file
which version of nfs to use.
:confused:
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