Hi,
I have a server running under CentOS 5.8 and I appear to be in a
situation in which the NFS file server is not recognizing the available
space on a particular disk (actually a hardware RAID-6 of 13 2Tb disks).
If I try to write to the disk I get the following error message
[root@nas-0-1 mseas-data-0-1]# touch dum
touch: cannot touch `dum': No space left on device
However, if I check the available space, there seems to
be plenty
[root@nas-0-1 mseas-data-0-1]# df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sdb1 21T 20T 784G 97% /mseas-data-0-1
[root@nas-0-1 mseas-data-0-1]# df -i .
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/sdb1 3290047552 4391552 3285656000 1% /mseas-data-0-1
I don't know if the following is relevant but the disk in question
is served as one of 3 bricks in a gluster namespace.
Based on the test with touch, which is happening directly
at the NFS level, this seems to be an NFS rather than gluster
issue. I couldn't find any file in /var/log which had a
time that corresponded to the failed touch test and I didn't
see anything in dmesg. We have tried rebooting this system.
What else should we look at and/or try to resolve or debug
this issue?
Thanks.
Pat
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Pat Haley Email: phaley@xxxxxxx
Center for Ocean Engineering Phone: (617) 253-6824
Dept. of Mechanical Engineering Fax: (617) 253-8125
MIT, Room 5-213 http://web.mit.edu/phaley/www/
77 Massachusetts Avenue
Cambridge, MA 02139-4301
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