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su: cannot set user id: Resource temporarily unavailable

banieMay 26 2010
Hi,

I having problem to change root user to oracle user. It happen everyday and i need to restart oid server. Here is conf file.
[root@oid01 ~]# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
file size               (blocks, -f) unlimited
pending signals                 (-i) 1024
max locked memory       (kbytes, -l) 32
max memory size         (kbytes, -m) unlimited
open files                      (-n) 8192
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 16384
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited
[root@oid01 ~]# lsof | grep oracle | wc -l
6324
[root@oid01 ~]# ps -U oracle | wc -l
27
[root@oid01 ~]# grep passwd /etc/nsswitch.conf
#passwd:    db files ldap nis
passwd:     files
Please assist me. This is critical situation.

Regards,
Zainal
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Locked on Jun 23 2010
Added on May 26 2010
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