02-06-2009
Hmm, when a command as small as "/usr/bin/rm" does not fit into memory any more (as per your first post here) there is something seriously wrong.
If the problem goes away temporarily with a reboot chances are you have a memory leak problem. To track this sort of problems down is sometimes hard, because of the ephemeral nature of these. You could wait until the problem shows up and then use "ps -Alo vsz<,other options>" to get the "virtual memory footprint" of every process running. See the man page of "ps" for more information about possible options.
Another common source of problems are java processes, which are generally known to be memory hogs. Find out if there are java processes running ("ps -fe | grep java") and if there are some you have a likely cause for your problem.
Further lets examine the overall memory situation of your machine. Please post the output of the following commands:
"svmon -G" (only as root)
"vmstat -v"
"lsps -a"
Also examine the crontabs of all users on the machine. Maybe some memory hog is started regularly and this is whats causing your problems.
I hope this helps.
bakunin
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