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Thursday, 25 February 2010

Autofs in Redhat/Fedora linux

This configuration is for sharing single home directory on multiple servers

Server Side Configuration

Here the directries are shared only for one host.

[root@lion /]# cat /etc/exports

/home tiger(rw,root_squash)

/home/chimmu tiger(rw,root_squash)

/data3 tiger(rw,root_squash)

/entertainment tiger(rw,root_squash)

Starting nfs server

[root@lion /]# service nfs start

Starting NFS services: [ OK ]

Starting NFS quotas: [ OK ]

Starting NFS daemon: [ OK ]

Starting NFS mountd: [ OK ]

Configuring NFS server to comeup autmatically on next reboot

[root@lion /]# chkconfig nfs on

Verifying changes are affected

[root@lion /]# chkconfig --list |grep nfs

nfs 0:off 1:off 2:on 3:on 4:on 5:on 6:off

nfslock 0:off 1:off 2:off 3:on 4:on 5:on 6:off

Clilent Side Configuration.

Adding entry in automaster

[root@tiger ~]# cat /etc/auto.master

/home /etc/auto.home --timeout 600

/entr /etc/auto.misc --timeout 600

/home /etc/auto.per --timeout 600

/pri /etc/auto.samba --timeout 600

[root@tiger ~]# cat /etc/auto.misc

entr lion:/entertainment

per lion:/home/per

[root@tiger ~]# cat /etc/auto.home

* -fstype=nfs,soft,intr,rsize=8192,wsize=8192,nosuid,tcp lion:/home/&

[root@tiger ~]# cat /etc/auto.per

per lion:/home/per

Starting autofs in client and making it permanent on next reboot

[root@tiger ~]# /etc/init.d/autofs start

Starting automount: [ OK ]

[root@tiger ~]# chkconfig autofs on

[root@tiger ~]# chkconfig --list|grep autofs

autofs 0:off 1:off 2:on 3:on 4:on 5:on 6:off

Checking its working fine.

See below, latheef home directory mounted from lion. (auto.home)

[root@tiger ~]# su - latheef

-bash-4.0$ df -h .

Filesystem Size Used Avail Use% Mounted on

lion:/home/latheef 184G 91G 84G 53% /home/latheef

entertainment directory mounted from lion to here (for all users-auto.misc)

[root@tiger ~]# cd /entr/entr/

[root@tiger entr]# df -h .

Filesystem Size Used Avail Use% Mounted on

lion:/entertainment 459G 220G 216G 51% /entr/entr

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