Linux – Access xfs quota info from NFS client

centoslinuxnfsquotaxfs

I've got an xfs filesystem (on a Centos 6.4 server) mounted via NFS on a client server (Centos 6.3). I can't seem to access the quota info from the client. It simply returns nothing for xfs_quota -c quota ... or xfs_quota -xc report ... or xfs_quota -c print

I need for users to be able to check their quotas from this client (a cluster head node), but I don't use user quotas for this FS, but instead project quotas.

Any thoughts? Thanks.

Best Answer

What worked for CentOS7 was to install quota package and enable the service on the file server:

yum install quota
systemctl enable rpc-rquota
systemctl start rpc-rquota

Then on the client the quota command returned user quota information. Previously I received "Connection refused" error:

$ quota
quota: error while getting quota from XXX.XXX.XX.XX:/XXXX/XXXX for XXXX (id XXXX): Connection refused

References

https://bugzilla.redhat.com/show_bug.cgi?id=1207239 https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/storage_administration_guide/nfs-serverconfig#sf2-nfs-accessing-rpc-quote-through-a-firewall

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NFS mounts showing files from other mounts

so it seems it was the wildcard exports, which, if you read the man page, are not recommended. I'd read that before but for some reason didn't fix it. I still think this is a "bug" and it should work in theory but in practice, it doesn't.

Hope this helps others.

Example of my new exports file:

/nfs server1.a2hosting.com(fsid=0,ro,nohide,no_root_squash)
/nfs/server1/20120320 server1.a2hosting.com(ro,nohide,no_root_squash)

Linux – Getting at fsid under Linux? Or an alternate way of identifying filesystems

You can use the mountpoint command. The -d switch prints the major/minor device number of the mount point to stdout.

In your case, compare the output of mountpoint -d /home/lars to mountpoint -d /home/bob.

[root@Fruity ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda2             9.9G  2.5G  7.0G  26% /
/dev/sda1              97M   43M   50M  47% /boot
/dev/sda7             2.0G   68M  1.9G   4% /tmp
/dev/sda3             9.9G  2.8G  6.6G  30% /usr
/dev/sda6             6.0G  1.1G  4.6G  19% /var
/dev/sdb1             400G  263G  138G  66% /data
/dev/sdc1             150G  122G   29G  82% /images
nfs001:/data/chain    36G  1.2G   35G   4% /data/chain
nfs001:/data/src      36G  1.2G   35G   4% /data/src


[root@Fruity ~]# mountpoint -d /data/chain/
0:19

[root@Fruity ~]# mountpoint -d /data/src/
0:19

[root@Fruity ~]# mountpoint -d /data/
8:17

Best Answer

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NFS mounts showing files from other mounts

Linux – Getting at fsid under Linux? Or an alternate way of identifying filesystems

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