[Linux-cluster] slow NFS performance on GFS2
olivier.desport at ac-versailles.fr
Tue Oct 8 06:48:01 UTC 2013
Le 08/10/2013 00:01, Rafael Bravo a écrit :
> El 24/09/2013 11:29, Olivier Desport escribió:
>> I've installed a two nodes GFS2 cluster on Debian 7. The nodes are
>> connected to the datas by iSCSI and multipathing with a 10 Gb/s link.
>> I can write a 1g file with dd at 500 Mbytes/s. I export with NFS (on
>> a 10 Gb/s network) and I only can reach 220 Mbytes/s. I think that
>> it's a little bit far from 500 Mbytes/s...
>> Do you how to tune my settings to increase the speed for NFS ?
>> GFS2 mount :
>> /dev/vg-bigfiles/lv-bigfiles /export/bigfiles gfs2
>> _netdev,nodiratime,noatime 0 0
>> NFS export :
>> mount on NFS clients :
>> nfs-server:/export/bigfiles /data/bigfiles nfs4
>> _netdev,rw,user,nodiratime,noatime,intr 0 0
> Use options on NFS clients: rsize=32768,wsize=32768
Thnaks. I've already tried these settings and it doesn't inscrease the
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Linux-cluster