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

[Keith Meserole]

Anyone have any thoughts?

  _____  

From: Keith Meserole [mailto:km at keithm.us] 
Sent: Tuesday, October 14, 2008 9:07 PM
To: hobbit at hswn.dk
Subject: RE: [hobbit] Re: Disk I/O check for Linux


Hi,
 
I gave this a try and the vmstat items show up only as objects and not
graphs.   Part of the host entry is below for this host.

I am sure I am missing something really easy.   Any ideas?
 
  _____  

 


TRENDS:*,apache:apache|apache1|apache2|apache3,vmstat:vmstat1|vmstat5  
 
 
  _____  

From: RaAL at sm-shoemart.com [mailto:RaAL at sm-shoemart.com] 
Sent: Monday, October 13, 2008 7:31 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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