10-19-2009
not a Zones problem, but a memory ressource problem
your problem is not related to zones but to processes and memory limits in general, cannot fork will occur too if you have all processes running in one "zone" and memory is getting low. It just means the system cannot give more memory to processes. So, you need to calculate the max. needed physical memory and plug it in. Thats all.
Otherwise you will need to cap the Zone's physical memory, no way round.
(alternatively you may keep zoneadm running within Zone 0. So it should be usable, if slow)
Last edited by digits; 10-19-2009 at 06:17 PM..
Reason: alternatively...
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LEARN ABOUT HPUX
unlockable_mem
unlockable_mem(5) OBSOLETE unlockable_mem(5)
NAME
unlockable_mem - OBSOLETE kernel tunable parameter
DESCRIPTION
The tunable is obsolete and has been removed.
Memory locking allows the privileged user to specify which pages need to remain in memory, and unaffected by the swap process. This fea-
ture allows you to ensure that memory access times are unaffected by delays introduced by memory paging and swapping. For example, locking
is a tool provided to privileged users on a system that is short on physical memory. Instead of having these privileged processes swap
like the rest of the processes, they can lock portions of their address space. Once the pages are locked in for the privileged processes,
they will no longer have to worry about memory contention. The unprivileged processes however, will have to compete for memory.
provides you with a limiting factor on this privileged behavior, by setting the amount of memory which cannot be locked by user processes.
WARNINGS
Installation of optional kernel software, from HP or other vendors, may cause changes to tunable parameter values. After installation,
some tunable parameters may no longer be at the default or recommended values. For information about the effects of installation on tun-
able values, consult the documentation for the kernel software being installed. For information about optional kernel software that was
factory installed on your system, see at
AUTHOR
was developed by HP.
Tunable Kernel Parameters unlockable_mem(5)