Re: [tkined] Questions about scotty

Erik Schoenfelder (schoenfr@gaertner.de)
Mon, 9 Feb 1998 23:44:16 +0100 (MET)

Hi,

On Thu, 5 Feb 1998 12:29:14 +0100,
"Chiara Bergamini" <chiara@arcanet.it> said:

Chiara> 1) What are the meaning of the graph where below there are
Chiara> write d0 d1 d2 d3 pi po si so that are in [...]

This barchart display is created via ``IP-Monitor'' tool with
selection of the ``Disk Activity'' monitor.

The values are obtained from the rstat rpc service on the target host.

You may like to look about a rstat or rstatd or rpc.rstatd manpage to
get more info about thios service.

The d0, d1, d2, d3 values are an indication of disk-activity (disk 1
to 4)
the pi, po values show of paging activity (page in, page out) and
the si, so values show swapping activity (swap in, swap out).

Unfortunately the values are in reality hard to compare between
different platforms, because the rstat-daemons calculate the values in
differnet ways (eg. disk-activity by reads/writes of pages or
kilobytes per seconds, or by using the disk-business in percent, or
what else).

I hope, this helps you to step on.
Erik

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