[hobbit] Re: Disk I/O check for Linux

[Gavin Leonard]

How would a host entry look with this info?

-Gavin

From: RaAL at sm-shoemart.com [mailto:RaAL at sm-shoemart.com]
Sent: Monday, October 13, 2008 5:31 PM
To: Henrik Stoerner
Cc: hobbit at hswn.dk
Subject: [hobbit] Re: Disk I/O check for Linux


Hi Henrik,

Thanks, it works .. maybe it will be more comprehensive and impressive if it will give graphical I/O stat per filesystem ?

<<..>>

Raymund A. Layoso
Jr. System Administrator
Technical Support Group - Information Technology Services
SM Retail Inc.
SM Corporate Office, Bldg D
1000 Bay Boulevard, SM Central Business Park
Bay City, Pasay City 1300

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Henrik Stoerner <henrik at hswn.dk>

10/14/2008 04:34 AM

To

RaAL at sm-shoemart.com

cc

Subject

Re: Disk I/O check for Linux







Hi,

the Hobbit mailing list - hobbit at hswn.dk - really is the best place for
support questions.

The only I/O measurement built into Hobbit is the data collected from
"vmstat", which gives you an overall measure of the amount of time
spent waiting for disk I/O. This graph is not displayed by default;
you can make them appear on the "trends" page by adding
  TRENDS:*,vmstat:vmstat1|vmstat5
to each of the host entries in bb-hosts. That will give you a "CPU
utilisation" graph that includes the I/O wait time, and a "Block I/O"
graph showing the number of blocks read from/written to a disk device.


Regards,
Henrik


On Tue, Oct 14, 2008 at 04:01:29AM +0800, RaAL at sm-shoemart.com wrote:
> Is there any scripts in hobbit that monitors disk I/O performance in linux
> box ? and with graphical presentation ?
> Can you help me on this since we are now having an issue with disk I/O
> performance in our Oracle servers ?
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