10-11-2011
Do you mind posting vmstat -Iwt 2 30 and iostat -Dl as a starter - and some more information about your system ?
What type of frame are you running on - how much resources are on the frame. What is your lpar doing when its busy. Is this an application- or a DB box. What type of storage are you using... which AIX version are you running - and so on.
3.6 ent cpus for 4 virtual cpus (if its p5 or p6) seems pointless to me. Even according to IBM you should give your box at least 5 virtual cpus - the way you run your box you have literally no benefit of virtualization whatsoever. And so high wait IO may point to a memory- or IO issue.
Regards
zxmaus
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sizer(8) System Manager's Manual sizer(8)
Name
sizer - a program that sizes system hardware
Syntax
/etc/sizer [ options ]
Description
The program reports various items of information about a kernel file and the running system. It is also used to create a system configura-
tion file in the doconfig command.
Options
-b Create a boot command file for the current system disk. The program creates the appropriate and command files in These files can then
be used to update the systems console media. This only applies for VAX 8600, VAX 780, VAX 6200, and VAX 3400 cpus. This also applies
for the VAX 750 and VAX 8200 only if the system disk is connected to an HSC.
-c Return the CPU type of the running cpu.
-t timezone
Use timezone in the config file.
-wt Returns the workstation display type.
-wu Returns the workstation display units.
-k image
Use the indicated kernel file instead of This is useful when the running system is not or you wish information about a system that is
not running.
-n filename
Creates a configuration file. The system must be running the kernel unless the option is used. The option creates a configuration
file in and also a file required for called
NOTE: The user should run to build a new kernel.
-r Return only the name of the root device and partition.
-s Return only the CPU subtype of the running cpu. This only applies to VAX cpus. It returns following values for the following cpus:
Returned
Value CPU
11 VAX8800
10 VAX8700
9 VAX8550
8 VAX8500
6 VAX8300
5 VAX8200
4 VAXstation/MVAX 2000/3100
3 VAX60
1 MVAXII, VAX3x00, VAX62xx
The value 0 is returned for all other cpu types.
Files
See Also
config(8), doconfig(8)
ULTRIX Advanced Installation Guide
sizer(8)