From: Toton, Johnny B. (jtoton@advancedtech.com)
Date: Tue Jun 17 2003 - 16:59:34 EDT
I'm new to the list so please bear with me.
We have following equipment:
HP Tru64 v5.1
Alphserver DS20E
3.072 Gigs of physical memory
2.93 Gigs of swap space
vm-swap-eager = 1 (Immediate swap mode)
dsk0b is swap space partition
I'm a little worried about swap space since about a week ago, we were down
to 10 percent available. We are wanting to increase our swap space on this
machine. However, we have used the rest of dsk0 and cannot "expand" it. We
do have another disk, dsk2, which we can repartition for swap space since
it's basically not being used but has already been partitioned.
Questions:
1) From what I've read (and been told), the rule on swap space should be at
least 1.5 times the physical memory (if not 2x). Does this rule still apply
to TRU64?
2) Would we be better off just setting up two separate swap spaces on these
two disks or leaving it all one disk? What are the benefits/risks of having
our swap space being on one or two disk?
3) Should we leave our vm-swap-eager set to one or change it to zero? What
would be the benefits/risks of changing our swap setup to be deferred
(vm-swap-eager=0)?
TIA,
Johnny Toton
Advanced Technology Services
IT Department
Senior Programmer/Analyst
Ext: 34030
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