using TOPAS


 
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Operating Systems AIX using TOPAS
# 1  
Old 12-10-2007
using TOPAS

Hi,

I'm using topas to monitor CPU and Disk activity including paging space. Previously, I can see the percentage activity of the disk under column "BUSY%", now I can no longer view it (it's all zero), unless I will run IOSTAT 2 simultaneously. What would be the cause of this?

Thanks,
# 2  
Old 12-24-2007
Press the "d" key. It toggles the disk usage display.
# 3  
Old 12-24-2007
Quote:
What would be the cause of this?
By default on AIX, the collection of disk io stats are disabled. This is to improve the peformance.If you need to enable this function

Run the following command

Quote:
chdev -l sys0 -a iostat=true
You can check the attribute set using the following command

Quote:
lsattr -E -l sys0 -a iostat
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