From: HAUTECOEUR Bruno (HAUTECOB@ESSILOR.fr)
Date: Wed Feb 05 2003 - 10:46:19 EST
Hi admins,
HP support has explained me how all this works:
For each process created, the system reserves some swap in the swap areas
beginning by the "devices" swap. Then, when all the devices swap are
allocated, the system begins to allocate the pseudo swap. It's why when this
pseudo swap is 100% used, it means that there is no more swap space unused
on the system.
In this case, no more new processes can be forked.
Then you can create a new device swap which will do decrease the total
percent used swap. As you increase devices swap areas, the pseudo swap will
decrease and then the system is happy !!! And it works well !!
am i clear enough .... ?!
rgds
-----Message d'origine-----
De : HAUTECOEUR Bruno [mailto:HAUTECOB@ESSILOR.fr]
Envoyé : mercredi 29 janvier 2003 17:51
À : hpadm
Objet : [HPADM] Swap management
Hi admins,
I'm facing to a problem with the swap management. The pseudo_swap is
enabled. When this pseudo_swap is 100% used (the memory line below), the
system doesn't allocate swap for new processes in the five swap device even
if they are 0% used. We have then a lot a error messages crying about
resources leak ... Why the system doesn't want to use these unused swap
devices ?
Mb Mb Mb PCT START/ Mb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 512 0 512 0% 0 - 1 /dev/vg00/lvol2
dev 800 0 800 0% 0 - 1 /dev/vg01/lvol2
dev 800 0 800 0% 0 - 1 /dev/vg02/lvol2
dev 800 0 800 0% 0 - 1 /dev/vg03/lvol2
dev 800 0 800 0% 0 - 1 /dev/vg04/lvol2
reserve - 3712 -3712
memory 9588 8802 786 100%
total 13300 12514 786 94% - 0 -
Tia
rgds
________________
Bruno HAUTECOEUR
Architecte système Unix
DSI / Architecture & Systèmes - Essilor International
Tel: 33 (0)1 48 98 73 20 / Fax: 33(0)1 49 56 20 56
mail: hautecob@essilor.fr
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