Linux, resouce temporarily unavailable

I am running RHEL 6.2

I am getting the following problem:

[root@nevada02 ~]# su - mqm
su: cannot set user id: Resource temporarily unavailable
[root@nevada02 ~]#

Open in new window


I check some resources, but everything seems fine

[root@nevada02 ~]# free -m
             total       used       free     shared    buffers     cached
Mem:         96722       9524      87198          0         72       5295
-/+ buffers/cache:       4156      92566
Swap:        66411          0      66411
[root@nevada02 ~]#
[root@nevada02 ~]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/vg_nevada01-lv_root
                      51606140  12805392  36179308  27% /
tmpfs                 49522152         0  49522152   0% /dev/shm
/dev/sda2               495844     62353    407891  14% /boot
/dev/sda1               204580       256    204324   1% /boot/efi
/dev/mapper/vg_nevada01-lv_home
                      21867732   8830052  11926848  43% /home

Open in new window


What should I investigate
Los Angeles1Asked:
Who is Participating?

[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More

x
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

gnemiCommented:
Please do 'ulimit -a', 'ps -U mqm | wc -l', 'lsof | grep mqm | wc -l' and paste the results.

Also, check in /etc/security/limits.conf

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
Los Angeles1Author Commented:
Here it is:

[root@hostname02 log]# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 773633
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 1024
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited
[root@hostname02 log]#
[root@hostname02 log]#
[root@hostname02 log]# ps -U mqm | wc -l
1
[root@hostname02 log]#
[root@hostname02 log]#
[root@hostname02 log]# lsof | grep mqm | wc -l
1412
[root@hostname02 log]#

Open in new window

gnemiCommented:
The max open files limit is set to 1024 but mqm is over that at 1412.
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
VMware

From novice to tech pro — start learning today.