[ale] nfs mounted under and nfs

[Lightner, Jeff]

You mean the server on which the filesystems are mounted has one NFS mounted from a source NAS and a separate NFS from another device or the same NAS?

One can certainly do such nested mounts but as you suspect if the parent NFS mount becomes unresponsive it will cause issues with the child NFS mount including the inability to unmount it even if the child server is still responsive.

I'd recommend doing two separate mounts that are NOT nested then putting symbolic link under the NAS mount to the other mount.  That way when both are mounted users will have access but if the parent isn't there it doesn't cause any problems with the child.

e.g.
NAS = mynas1  - Exports /billybob
NFS Server = myserver1  - Exports /ralph
NFS Client = myserver2

On myserver2 current config is:
mount mynas1:/billybob /billybob
mount myserver2:/ralph /billybob/ralph

Instead do on myserver2:
mount mynas1:/billybob /billybob
mount mserver2:/ralph /ralph
ln -s /ralph /billybob/ralph






-----Original Message-----
From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of Chuck Payne
Sent: Thursday, November 15, 2012 3:05 PM
To: Atlanta Linux Enthusiasts - Yes! We run Linux!
Subject: [ale] nfs mounted under and nfs

Guys,

I got a box where a directory is a nfs mount to our nas with an nas mount under it. Wouldn't that cause a lot of issues. Why would you want to do that? Is it best practice?

--
Terror PUP a.k.a
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