topic NFS mount of filesystem RW and RO in Operating System - HP-UX

NFS mount of filesystem RW and RO

B. Chapman — Thu, 27 May 2004 09:31:12 GMT

Hi,

I need to mount a filesystem to two different machines, and, I need to export to machine A as READ-ONLY, and export to machine B as READ-WRITE.

Is this possible? And if so, what is the syntax in /etc/exports?

Thanks in advance!
Ben Chapman
chapmanb@saic.com

Re: NFS mount of filesystem RW and RO

Mark Grant — Thu, 27 May 2004 09:33:04 GMT

Haven't tried this but you would have, I guess, two entries in /etc/exports. One with the "rw" option and the "access" for machine A and the other with the "ro" option and the "access" for machine B. I imagine that would work.

Re: NFS mount of filesystem RW and RO

Pete Randall — Thu, 27 May 2004 09:33:41 GMT

Ben,

I don't think you can do this on the export. From the man page:

"The ro and rw
options cannot be used on the same exports line."

You would have to control the mount options on the individual machines in order to accomplish this.

Pete

Re: NFS mount of filesystem RW and RO

KapilRaj — Thu, 27 May 2004 09:36:04 GMT

export it as rw and mount as "ro" (first node) "rw" on the second node.

Kaps

Re: NFS mount of filesystem RW and RO

Mark Grant — Thu, 27 May 2004 09:37:22 GMT

How about this from the man page for "exports"

rw=hostname[:hostname]...Export the directory read-mostly. Read-mostly means read-only to most machines, but read-write to those specified.

Re: NFS mount of filesystem RW and RO

G. Vrijhoeven — Thu, 27 May 2004 09:46:21 GMT

Hi Ben,

Not sure it is possible, but you can try this:
#exports
/mountpoint -access=machineA,ro
/mountpoint -access=machineB,rw

exportfs -va

And see what gets exported

Re: NFS mount of filesystem RW and RO

Bharat Katkar — Thu, 27 May 2004 09:58:59 GMT

Never tried that one but see if this works edit /etc/exports and add this entries:

/mountpoint ro=MACHINE_A, rw=MACHINE_B

Regards,

Re: NFS mount of filesystem RW and RO

iminus — Thu, 27 May 2004 18:19:52 GMT

Can you try use two lines and one specify A as RO the next specify B as RW? I'm not sure about this one...

topic NFS mount of filesystem RW *and* RO in Operating System - HP-UX

NFS mount of filesystem RW *and* RO

Re: NFS mount of filesystem RW *and* RO

Re: NFS mount of filesystem RW *and* RO

Re: NFS mount of filesystem RW *and* RO

Re: NFS mount of filesystem RW *and* RO

Re: NFS mount of filesystem RW *and* RO

Re: NFS mount of filesystem RW *and* RO

Re: NFS mount of filesystem RW *and* RO

topic NFS mount of filesystem RW and RO in Operating System - HP-UX

NFS mount of filesystem RW and RO

Re: NFS mount of filesystem RW and RO

Re: NFS mount of filesystem RW and RO

Re: NFS mount of filesystem RW and RO

Re: NFS mount of filesystem RW and RO

Re: NFS mount of filesystem RW and RO

Re: NFS mount of filesystem RW and RO

Re: NFS mount of filesystem RW and RO