[linux-lvm] using lvmsar
Aman Shahi
shahi_aman at yahoo.com
Wed Nov 14 11:18:02 UTC 2001
Hi,
I wanted to know few things about lvmsar.
1. It gives Total Reads and Writes. Is this
number in blocks ? I mean No of blocks read
and written.
2. The time it prints, what time is that. Is it the
time when lvmsar read the info from the given
file or the time when the info was written into
the file by lvmsadc. The reason I am asking this
is there is a "ctime" call in lvmsar.
3. How efficient will it be to use lvmsar instead of
sar to do some sort statistics. For example if I
want to get some data like I/O....B/s over a device
or volume.....should I use lvmsar....
or rather I will rephrase this question, Can I
get somethig like the I/O statistic rate using
lvmsar, and the time I get from it, or should I use
my own time when I called lvmsadc and compare the
difference with it ?
regards,
Aman Shahi.
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