From: Jeff Layton <jlayton@redhat.com>
To: nfs@lists.sourceforge.net
Subject: Re: how to execute a script from NFS mount (which disconnected)?
Date: Tue, 22 May 2007 08:25:54 -0400 [thread overview]
Message-ID: <20070522082554.b7e112d7.jlayton@redhat.com> (raw)
In-Reply-To: <4652DF6D.8020209@wpkg.org>
On Tue, 22 May 2007 14:17:49 +0200
Tomasz Chmielewski <mangoo@wpkg.org> wrote:
> Trond Myklebust schrieb:
> > On Tue, 2007-05-22 at 12:37 +0200, Tomasz Chmielewski wrote:
> >> How can I execute a script from NSF mount - a script which reconfigures
> >> a network interface, and there is a period of network disconnection?
> >
> > Copy it to a RAMFS partition and execute it there.
>
> No, that's not a good solution. Or a solution I would want to use.
>
> I use the same script on systems having rootfs on iSCSI. And they also
> disconnect for a brief period of time.
> There, everything works properly if I just "preload"/cache the
> script/programs with something like:
>
> cat script &>/dev/null
> program --help &>/dev/null
>
> Then, I can disconnect the station for several minutes, but the system
> will have the programs/scripts cached, and will be able to use them.
>
>
> I would like to do something similar with NFS. Isn't there a
> "disconnected" mode for NSF (or "cached", etc.)?
>
Nope. NFS will (likely) want to check the attributes on the file to make sure
it's not changed before executing it. Copying it to a secondary location is
what you'll want to do.
<idle speculation>
I wonder if you could do something like this on NFSv4 with delegations?
</idle speculation>
>
> --
> Tomasz Chmielewski
> http://wpkg.org
>
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--
Jeff Layton <jlayton@redhat.com>
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next prev parent reply other threads:[~2007-05-22 12:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-22 10:37 how to execute a script from NFS mount (which disconnected)? Tomasz Chmielewski
2007-05-22 12:10 ` Trond Myklebust
2007-05-22 12:17 ` Tomasz Chmielewski
2007-05-22 12:25 ` Jeff Layton [this message]
2007-05-22 12:29 ` Jeff Layton
2007-05-22 12:41 ` Trond Myklebust
2007-05-22 12:42 ` Neil Brown
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