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Checking Swap space from OS level in HPUX

Hi All,

We have some issues with swap in our SAP production system when I checked the ST06 Tcode

Swap

Configured swap Kb 20,971,520 Maximum swap-space Kb 54,389,460

Free in swap-space Kb 8,945,160 Actual swap-space Kb 54,389,460

And when I checked from the OS level ,it gave me the following result

swapinfo

Kb Kb Kb PCT START/ Kb

TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME

dev 1048576 658208 390368 63% 0 - 1 /dev/vg00/lvol2

dev 19922944 889824 19033120 4% 0 - 1 /dev/vg00/lvol9

reserve - 19423488 -19423488

memory 33417940 24781076 8636864 74%

Does it mean that total swap space is (1048576 + 19922944)KB which is 20GB?

If yes ,then how to increase the swap space in UNIX based systems?

SWAP SPACE = 3*RAM? If yes ,do we need to put swap size =60 GB?

In ST06

what is the difference between CONFIGURED SWAP-SPACE and ACTUAL SWAP-SPACE?

Regards,

Prashant

Edited by: Prashant Shukla on Oct 13, 2008 4:21 AM

Edited by: Prashant Shukla on Oct 13, 2008 4:23 AM

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