topic Re: Exporting NFS Mounts in Operating System - HP-UX

Exporting NFS Mounts

Ramesh_27 — Fri, 16 Apr 2004 14:00:18 GMT

Hi

I am planning to export /sys file sytem on Server A. Server B will nfs mount that file system as /disk.

Is it possible for me to reexport /disk?
so that server C can nfs mount it as /sys/disk1

any answers highly appreciated!!!

Re: Exporting NFS Mounts

Scott Palmer_1 — Fri, 16 Apr 2004 14:16:06 GMT

yes, System b will export it as if it were local, but you will still have any restrictions you had from server A to server B

Regards

Scott

Re: Exporting NFS Mounts

G. Vrijhoeven — Fri, 16 Apr 2004 14:26:08 GMT

Ramesh,

Not sure, but why do you want to do that. You are able to mount /sys on server A on B as /disk and at the same time on server C as /sys/disk1.

To export to both server create /etc/exports.
and start nfs client en server software ( /sbin/init.d/nfs* start (core client and server if i am correct ) exportfs -a. To mount on server B and C start nfs software and mount serverA:sys mountpoint.

HTH,

Gideon

Re: Exporting NFS Mounts

sinhass — Fri, 16 Apr 2004 18:46:22 GMT

Hi if I understood ur question properly that u want to re-export the exported file system. thats not possible. But u can mount /sys file system on server C.

-sinhass

Re: Exporting NFS Mounts

Sanjay_6 — Fri, 16 Apr 2004 19:11:00 GMT

Hi Ramesh,

If serverA exports the filesystem with root access allowed to serverB, then serverB can also export that NFS mounted filesystem to ServerC which can mount the do a NFS mount of this filesystem exported by serverB.

But it is best to avoid situations like these, since a problem with the NFS may at time force you to reboot the server.

Try this doc from hp doc site for more info on NFS / configuring NFS.

http://docs.hp.com/hpux/onlinedocs/B1031-90054/B1031-90054.html

Hope this helps.

Regds

Re: Exporting NFS Mounts

KapilRaj — Sat, 17 Apr 2004 01:00:57 GMT

I do not think you can export an NFS mounted filesystem !.

Why not mount it directly from Server A === > Server C

Regds,

Kaps

Re: Exporting NFS Mounts

Brian Hackley — Mon, 19 Apr 2004 10:11:55 GMT

Hi,

You can do this with Linux, but not with HPUX. HPUX 10.20/11.0/11.11/11.23 gives this error when attempting to export an NFS-mounted file system:

nbox# exportfs -i /mnt
exportfs error: /mnt: Too many levels of remote in path

You get the same error if the /mnt export is
in /etc/exports and you run exporfs -a.

Regards,

-> Brian Hackley