FC4, exportfs fails

[Paul Howarth]

Gaspar Bakos wrote:
> Hi,
> 
> Under FC4 I am trying to export a filesystem through NFS. The export
> fails, however hard I try.
> 
> If I try to mount the (obviously unexported) FS from another machine, I
> get the usual "reason given by server: Permission denied" message.
> 
> The question is how to debug this anomaly, namely that exportfs does
> not do anything, and does not report any error.?
> 
> HEre is what I did:
> -----------------
> 
> 1 stop iptables
> 2 restart nfsd
> 3 Check NFS support in kernel:
> 
> zcat /proc/config.gz  | grep NFS
> CONFIG_NFS_FS=y
> CONFIG_NFS_V3=y
> # CONFIG_NFS_V3_ACL is not set
> CONFIG_NFS_V4=y
> CONFIG_NFS_DIRECTIO=y
> CONFIG_NFSD=y
> CONFIG_NFSD_V3=y
> # CONFIG_NFSD_V3_ACL is not set
> CONFIG_NFSD_V4=y
> CONFIG_NFSD_TCP=y
> CONFIG_NFS_COMMON=y
> CONFIG_NCPFS_NFS_NS=y
> 
> 4           "Check your /etc/exports file and make sure that the
>             volume is exported and that your client has the right kind
> 			..."
> 
> Here is the entry from /etc/exports:
> 
> /mnt/md0    131.100.100.100(sync,no_subtree_check,rw)

Is that the *only* entry in /etc/exports?

If so, try restarting nfs again:

# service nfs restart

You can use "showmount" to check that the export is working:

# showmount -e localhost

Paul.