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[Linux-cluster] Large load due to



Hi,

Few days ago, I reported a problem with a heavy load on our cluster login node. I can reproduce the problem, ps axl | grep " D" gives:

0  2001  2368     1  16   0  66088  1572 just_s Ds   ?          0:00 -bash
0     0  9854 23584  18   0  63260   800 pipe_w S+   pts/6      0:00 grep  D
4     0 11972     1  15   0  66216  1632 just_s Ds   ?          0:00 -bash
0 0 21576 1 17 0 73916 824 just_s D ? 0:00 ls --color=tty /scratch/lctmm
0  2001 26178     1  15   0  66092  1600 just_s Ds   ?          0:00 -bash

Actually the problem is related to various attempts to access the directory /scratch/lctmm which simply freezes the login bash and turns it to a zombie status. Unfortunately, I can't kill these zombies and I have to reboot the login node.

The /scratch volume is gfs2. I can access to other /scratch subdirectories. Has someone already experienced such a problem?

--
Nicolas Ferre'
Laboratoire Chimie Provence
Universite' de Provence - France
Tel: +33 491282733
http://sites.univ-provence.fr/lcp-ct


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