Hi,
This is slightly offtopic, but I have been trying to resolve that problem for two days now without much success. It looks like this may be something that works with CENTOS5, but not with CENTOS6!
I have two machines, fileserver1 and server5.
fileserver1 runs on CENTOS6 (virtualized, if this is important), server5 runs on Centos5. Both are running with the most recent updates.
Server5 is a machine to store backups on. Several servers, including fileserver1, are mounted with nfs4 on server5.
fileserver1 has this /etc/fstab:
---8<---/etc/fstab---
UUID=73254e19-895f-4190-b2e3-13a2b0bec9ce / ext4 defaults 1 1
UUID=ac658802-73e4-4c87-bb03-6f9af1ebc4f8 /mnt/data ext4 defaults 1 2
UUID=4836335a-2d66-4d12-9dec-7197dc772d77 swap swap defaults 0 0
tmpfs /dev/shm tmpfs defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
/mnt /mnt dazukofs
/ /nfsexport/root none bind 0 0
/mnt/data /nfsexport/data none bind 0 0
---8<---
AS you can see, /mnt/data is a partition mounted below /.
I am binding both partitions to /nfsexport/... and export them in /etc/exports with
---8<---/etc/exports---
/ server*.pamas.local(ro,secure,no_root_squash,crossmnt,fsid=0)
/mnt/data server2.pamas.local(ro,secure,no_root_squash,nohide) server5.pamas.local(ro,secure,no_root_squash,nohide)
---8<---
If I execute
[root@server5 ~]# /etc/init.d/nfs reload
I get
exportfs: /mnt/data does not support NFS export
exportfs: /mnt/data does not support NFS export
on the console, but nothing in the log-files.
On server5, I entered
[root@server5 ~]# mount -t nfs4 192.168.1.202:/ /mnt/nfs/fileserver1/root
successfully and
[root@server5 ~]# mount -t nfs4 192.168.1.202:/mnt/data /mnt/nfs/fileserver1/data
returns:
mount: pinging: prog 100003 vers 4 prot tcp port 2049
and hangs.
ctrl-c returns me to the prompt, but /mnt/data is not mounted.
The active mount /mnt/nfs/fileserver/root is working nicely, but if I cd into /mnt/nfs/fileserver/root/mnt and enter ls there, the console hangs infinetly.
As I wrote, server5 also mounts other servers filesystems without problems. All working systems are CENTOS5, the one not working is CENTOS6.
Any idea?
best regards
---
Michael Schumacher
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