From: Bhavesh Shah (shah.bhavesh@gene.com)
Date: Tue May 23 2006 - 14:05:15 EDT
Thanks to all for their suggetion. Too many to list.
The solution is to use tee -a
man tee
-a Appends the output to the files rather than
overwriting them.
Another way is to use iostat -T d -xnczC thanks to Johan Hartzenberg.
My Question was:
>
> We are having some performance issue on Solaris 9 running sendmail for
> which i am planning to capture vmstat and iostat statictics for 3-4 hrs.
> The problem is script is running fine it doesn't put timestamp like sar.
> Here is what i am doing:
> #! /bin/ksh
>
> DATE=`date`
> while true
> do
> echo "$DATE" >> report_vmstat
> vmstat 10 | tee report_vmstat
> done
>
> But it still doesn't put timestamp. Any idea why its not printing date?
> Also if you have a better option then this one to capture data from
> vmstat and iostat or any other tool please do share with me.
> Regards
> shahb
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