05-12-2014 10:38 AM
He have one master server in the customer netbackup environment but we we noticed that some days the swap space increased and the master hangs.
We are obliged to reboot the server. The version of NetBackup Software is 7.1.0.4. The server is a SUN Sparc T5220 (32 GB of Memory). I need solution.
Thanks
Ekra Thierry
Solved! Go to Solution.
05-13-2014 10:45 AM
Try swap -s. Your getting "no swap space to grow", this means you're out of memory. The "swap -s" command will list the size of virtual swap. (Physical swap added to the physical memory) On systems with plenty of memory, like yours, "swap -l" will show little or no swap space use but "swap -s" might give a better pictiure of swap space used.
05-12-2014 10:46 AM
Check if multiple bpdbm processes are running.. They often cause the swap space utilisation to peak.
05-12-2014 11:16 AM
Please download and install 'top' utility to see which process (or processes) is top of the list for memory usage.
05-12-2014 03:59 PM
It would be nice to see what processes are running. Also check this tech note: NetBackup appears to consume all the available memory in Linux, however this is not the case. It has a great explanation on how Linux uses and manages memory.
05-13-2014 12:54 AM
Hi,
Thanks fot your reply. the are the messages before the server hangs
Apr 16 19:09:37 Veritasmaster genunix: [ID 470503 kern.warning] WARNING: Sorry, no swap space to grow stack for pid 21850 (nbsvcmon)
Apr 16 19:09:38 Veritasmaster genunix: [ID 470503 kern.warning] WARNING: Sorry, no swap space to grow stack for pid 21848 (nbsvcmon)
Apr 16 19:09:38 Veritasmaster genunix: [ID 470503 kern.warning] WARNING: Sorry, no swap space to grow stack for pid 21850 (nbsvcmon)
Apr 16 19:09:39 Veritasmaster genunix: [ID 470503 kern.warning] WARNING: Sorry, no swap space to grow stack for pid 21848 (nbsvcmon)
Apr 16 19:09:41 Veritasmaster genunix: [ID 470503 kern.warning] WARNING: Sorry, no swap space to grow stack for pid 21855 (nbsvcmon)
Apr 16 19:09:46 Veritasmaster genunix: [ID 470503 kern.warning] WARNING: Sorry, no swap space to grow stack for pid 21862 (nbsvcmon)
Apr 16 19:09:47 Veritasmaster genunix: [ID 470503 kern.warning] WARNING: Sorry, no swap space to grow stack for pid 21861 (nbsvcmon)
Apr 16 19:09:49 Veritasmaster sshd[1016]: [ID 800047 auth.error] error: fork: Espace insuffisant
Apr 16 19:09:51 Veritasmaster genunix: [ID 470503 kern.warning] WARNING: Sorry, no swap space to grow stack for pid 21867 (nbsvcmon)
Apr 16 19:09:52 Veritasmaster genunix: [ID 470503 kern.warning] WARNING: Sorry, no swap space to grow stack for pid 21864 (nbsvcmon)
Thanks,
Ekra Thierry
05-13-2014 10:16 AM
05-13-2014 10:44 AM
Hi Marianne,
The swap space is 320 GB. The server hangs aleatory.
05-13-2014 10:45 AM
Try swap -s. Your getting "no swap space to grow", this means you're out of memory. The "swap -s" command will list the size of virtual swap. (Physical swap added to the physical memory) On systems with plenty of memory, like yours, "swap -l" will show little or no swap space use but "swap -s" might give a better pictiure of swap space used.
05-13-2014 11:16 AM
This is why I suggested using 'top' to always run in a terminal session.
05-13-2014 11:23 AM
Have you checked your buffers lately?
NET_BUFFER_SZ, SIZE_DATA_BUFFERS and NUMBER_DATA_BUFFERS - how they work and how to configure
http://www.symantec.com/docs/TECH1724
Also if you are using master as a media server
DOCUMENTATION: Tuning Solaris 10 shared memory for NetBackup Media Server processes (bptm / bpdm)
http://www.symantec.com/docs/TECH62633
Please NOTE: the associated links at the bottom of this technote.