I am using Centos 5 Cluster suite for an NFS cluster. I am able to
mount the filesystems exported by the cluster to other machines in our
network. The problem arises when I try to copy or move files to this
file system as a non-root user.
Here is the result of trying to copy a file:
[clifford_rbrown]$cp top_snapshot_lx10 top_snapshot_lx10.orig
cp: cannot create top_snapshot_lx10.orig: Permission denied
Moving a file:
[clifford_rbrown]$mv users users.2
---------- 1 rbrown users 0 Dec 27 08:31 users.2
-rw-r--r-- 1 root sys 379 Apr 11 2007 users
The umask for this user is 022. I believe I have the export configured
correctly. Here is the relevant entry from the /etc/exports file:
/fs/shared clifford(rw,no_root_squash)
permissions on the mount point are good:
drwxr-xr-x 7 root sys 96 Dec 11 09:45 /mnt
drwxr-xr-x 9 root root 3864 Dec 27 12:52 /mnt/shared
drwxr-xr-x 143 root root 2048 Oct 23 07:07 /mnt/shared/home
drwxrwxr-x 65 rbrown users 2048 Dec 27 09:48
/mnt/shared/home/rbrown
The permissions on the cluster node for that filesystem look good:
[root@nfs1-cluster log]# ls -ld /fs /fs/shared
drwxr-xr-x 18 root root 1024 Dec 26 12:24 /fs
drwxr-xr-x 9 root root 3864 Dec 27 16:02 /fs/shared
Maybe my configuration of the exports is wrong?
Thanks in advance for any help or suggestions.
Randy
cluster.conf:
<?xml version="1.0"?>
<cluster alias="ohd_cluster" config_version="140" name="ohd_cluster">
<fence_daemon post_fail_delay="0" post_join_delay="60"/>
<clusternodes>
<clusternode name="nfs1-cluster.nws.noaa.gov" nodeid="1"
votes="1">
<fence>
<method name="1">
<device name="nfspower" port="8"
switch="1"/>
</method>
</fence>
</clusternode>
<clusternode name="nfs2-cluster.nws.noaa.gov" nodeid="2"
votes="1">
<fence>
<method name="1">
<device name="nfspower" port="7"
switch="1"/>
</method>
</fence>
</clusternode>
</clusternodes>
<cman expected_votes="1" two_node="1"/>
<rm>
<failoverdomains>
<failoverdomain name="nfs-failover" ordered="0"
restricted="1">
<failoverdomainnode
name="nfs1-cluster.nws.noaa.gov" priority="1"/>
<failoverdomainnode
name="nfs2-cluster.nws.noaa.gov" priority="1"/>
</failoverdomain>
</failoverdomains>
<resources>
<ip address="140.90.91.244" monitor_link="1"/>
<clusterfs
device="/dev/VolGroupFS/LogVol-shared" force_unmount="0" fsid="30647"
fstype="gfs" mountpoint="/fs/shared" name="fs-shared" options="acl"/>
<nfsexport name="fs-shared-exp"/>
<nfsclient name="fs-shared-client"
options="no_root_squash,rw" path="/fs/shared" target="140.90.91.0/24"/>
<clusterfs
device="/dev/VolGroupTemp/LogVol-rfcdata" force_unmount="0" fsid="54233"
fstype="gfs" mountpoint="/rfcdata" name="rfcdata" options="acl"/>
<nfsexport name="rfcdata-exp"/>
<nfsclient name="rfcdata-client"
options="no_root_squash,rw" path="/rfcdata" target="140.90.91.0/24"/>
<ip address="140.90.91.245" monitor_link="1"/>
<clusterfs
device="/dev/VolGroupFS/LogVol-brianj" force_unmount="0" fsid="39025"
fstype="gfs" mountpoint="/fs/rfcdata" name="fs-rfcdata" options="acl"/>
<nfsexport name="fs-rfcdata-exp"/>
<nfsclient name="fs-rfcdata-client"
options="no_root_squash,rw" path="/fs/rfcdata" target="140.90.91.0/24"/>
</resources>
<service autostart="1" domain="nfs-failover" name="nfs">
<clusterfs ref="fs-shared">
<nfsexport ref="fs-shared-exp">
<nfsclient ref="fs-shared-client"/>
</nfsexport>
</clusterfs>
<ip ref="140.90.91.244"/>
<clusterfs ref="rfcdata">
<nfsexport ref="rfcdata-exp">
<nfsclient ref="rfcdata-client"/>
</nfsexport>
<ip ref="140.90.91.245"/>
</clusterfs>
<clusterfs ref="fs-rfcdata">
<nfsexport ref="fs-rfcdata-exp">
<nfsclient ref="fs-rfcdata-client"/>
</nfsexport>
<ip ref="140.90.91.244"/>
</clusterfs>
</service>
</rm>
<fencedevices>
<fencedevice agent="fence_apc" ipaddr="192.168.42.30"
login="rbrown" name="nfspower" passwd="removed"/>
</fencedevices>
</cluster>
begin:vcard
fn:Randy Brown
n:Brown;Randy
org:National Weather Service;Office of hydrologic Development
adr:;;1325 East West Highway;Silver Spring;MD;20910;USA
email;internet:randy.brown@xxxxxxxx
title:Senior Systems Administrator
tel;work:301-713-1669 x110
url:http://www.nws.noaa.gov/ohd/
version:2.1
end:vcard
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