[Gluster-users] can't use sqlite3 on gluster mounted as NFS

[Anand Babu Periasamy]

This is a known issue. Gluster NFS doesn't support NLM (locking) yet. 3.4
may implement this.  Did you try on GlusterFS native mount?

--AB
On Sep 23, 2011 10:00 AM, "Brandon Simmons" <bsimmons at labarchives.com>
wrote:
> I am able to successfully mount a gluster volume using the NFS client
> on my test servers. Simple reading and writing seems to work, but
> trying to work with sqlite databases seems to cause the sqlite client
> and libraries to freeze. I have to send KILL to stop the process.
>
> Here is an example, server 1 and 2 are clients mounting gluster volume
over NFS:
>
> server1# echo "working" > /mnt/gluster/test_simple
> server2# echo "working" >> /mnt/gluster/test_simple
> server1# cat /mnt/gluster/test_simple
> working
> working
> server1# sqlite3 /websites/new.sqlite3
> SQLite version 3.6.10
> Enter ".help" for instructions
> Enter SQL statements terminated with a ";"
> sqlite> create table memos(text, priority INTEGER);
> (...hangs forever, have to detach screen and do kill -9)
>
> the gluster volume was created and NFS-mounted as per the instructions
here:
>
>
http://www.gluster.com/community/documentation/index.php/Gluster_3.2_Filesystem_Administration_Guide
>
> If I mount the volume using the nolock option, then things work:
>
> mount -t nfs -o nolock server:/test-vol /mnt/gluster
>
> So I assume this has something to do with the locking RPC service
> stufff, which I don't know much about. Here's output from rpc info:
>
> server# rpcinfo -p
> program vers proto port
> 100000 2 tcp 111 portmapper
> 100000 2 udp 111 portmapper
> 100024 1 udp 56286 status
> 100024 1 tcp 40356 status
> 100005 3 tcp 38465 mountd
> 100005 1 tcp 38466 mountd
> 100003 3 tcp 38467 nfs
>
>
> client1# rpcinfo -p server
> program vers proto port
> 100000 2 tcp 111 portmapper
> 100000 2 udp 111 portmapper
> 100024 1 udp 56286 status
> 100024 1 tcp 40356 status
> 100005 3 tcp 38465 mountd
> 100005 1 tcp 38466 mountd
> 100003 3 tcp 38467 nfs
>
> client1# # rpcinfo -p
> program vers proto port
> 100000 2 tcp 111 portmapper
> 100000 2 udp 111 portmapper
> 100024 1 udp 32768 status
> 100024 1 tcp 58368 status
>
> Thanks for any help,
> Brandon
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