On 05/03/16 07:12, Mark Selby wrote:
I am trying to use GlusterFS as a general purpose NFS file server. I
have tried using the FUSE client but the performance fall off vs NFS
is quite large
Both the client and the server are Ubuntu 14.04.
I am using Gluster 3.6.9 because of the FUSE performance issues that
have been reported with 3.7.8 (see
https://bugzilla.redhat.com/show_bug.cgi?id=1309462)
I am having serious issues with a generic NFS client as shown by the
issues below. Basically most FOPs are giving me a Remote I/O error.
I would not think I was 1st person to see these issues - but my Google
Fu is not working.
Any and all help would be much appreciated
BTW - These operation against a plain Linux NFS server work fine.
root@dc1strg001x /var/log 448# gluster volume status
Status of volume: backups
Gluster process Port Online Pid
------------------------------------------------------------------------------
Brick dc1strg001x:/zfspool/glusterfs/backups/data 49152 Y 6462
Brick dc1strg002x:/zfspool/glusterfs/backups/data 49152 Y 6382
NFS Server on localhost 2049 Y 6619
Self-heal Daemon on localhost N/A Y 6626
NFS Server on dc1strg002x 2049 Y 6502
Self-heal Daemon on dc1strg002x N/A Y 6509
root@vc1test001 /root 735# mount -o vers=3 -t nfs dc1strg001x:/backups
/mnt/backups_nfs
root@vc1test001 /mnt/backups_nfs 737# dd if=/dev/zero of=testfile
bs=16k count=16384
16384+0 records in
16384+0 records out
268435456 bytes (268 MB) copied, 2.46237 s, 109 MB/s
root@vc1test001 /mnt/backups_nfs 738# rm testfile
root@vc1test001 /mnt/backups_nfs 739# dd if=/dev/zero of=testfile
bs=16k count=16384
dd: failed to open ~testfile~: Remote I/O error
root@vc1test001 /var/tmp 743# rsync -av testfile /mnt/backups_nfs/
sending incremental file list
testfile
rsync: mkstemp "/mnt/backups_nfs/.testfile.bzg47C" failed: Remote I/O
error (121)
sent 1,074,004,056 bytes received 121 bytes 165,231,411.85 bytes/sec
total size is 1,073,741,824 speedup is 1.00
rsync error: some files/attrs were not transferred (see previous
errors) (code 23) at main.c(1183) [sender=3.1.0]
Can you please provide the volume configuration(gluster vol info )
and log file for nfs server which u mounted (/var/log/glusterfs)
--
Jiffin
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