[Beowulf] Setting up NFS directory mount on client

Robert G. Brown rgb at phy.duke.edu
Fri Jun 22 20:26:43 EDT 2007

On Fri, 22 Jun 2007, A Lenzo wrote:

> I can't figure out how to do that. I edited the /etc/fstab file with the
> following line:
> mytestsrv:/ /home nfs4 auto,rw,nodev,sync,_netdev,proto=tcp,retry=10,rsiz
> e=32768,wsize=32768,hard,intr 0 0
> but then the files I want appear in:
> /home/home/barney

As I said, getting a good (not terribly expensive!) book on this would
be worth its weight in CDs.

Here are a few lines from the /etc/fstabs in my house.  uriel (suitably
defined in /etc/hosts) is my primary household server -- a small md RAID
5 array.  Note that the home directory is on its own PARTITION on uriel
-- it is a Very Good Idea to put a shared home directory (or an unshared
home directory) onto its own partition, as that makes doing a full
reinstall of the operation system possible/easy.

SO, here's the relevant portion of uriel's fstab:

rgb at lilith|B:1018>uriel cat /etc/fstab
/dev/md0 / ext3 defaults 1 1
/dev/md1 /var/www/html ext3 defaults 1 1
/dev/md2 /home ext3 defaults 1 1

Here are its /etc/exports:

rgb at lilith|B:1019>uriel cat /etc/exports
#  /etc/exports
#  A list of filesystems or directories to export matched with hosts
#  with permission to mount
/home   *.rgb.private.net(rw,no_root_squash,sync)
/var/www/html   *.rgb.private.net(rw,no_root_squash,sync)

Here is the NFS part of /etc/fstab on serpent, one of uriel's clients:

rgb at lilith|B:1020>serpent cat /etc/fstab
LABEL=/1 / ext3 defaults 1 1
devpts /dev/pts devpts gid=5,mode=620 0 0
tmpfs /dev/shm tmpfs defaults 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs defaults 0 0
LABEL=SWAP-hda5 swap swap defaults 0 0
uriel:/home /home nfs defaults 0 0
uriel:/var/www/html /var/www/html nfs defaults 0 0

(Sorry, the tabs are all collapsed so it isn't as pretty as it is in the
real thing, where the fields line up).  The home directory looks like:

rgb at lilith|B:1021>serpent dir /home
patrick sam william rgb sfi wrankin jsquyres lost+found  Music

(where I put our household music collection on this as well so I can
listen from any machine in the house).  All of these are user accounts.
Any of these people (sons, wives, a couple of colleagues) can log in to
some or all of my home systems and have "their" home directories.



Robert G. Brown	                       http://www.phy.duke.edu/~rgb/
Duke University Dept. of Physics, Box 90305
Durham, N.C. 27708-0305
Phone: 1-919-660-2567  Fax: 919-660-2525     email:rgb at phy.duke.edu

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