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Old 01-11-2013, 10:17 AM   #1
redhat70
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Registered: May 2012
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Disk Buzy percent in Redhat Linux 6.1 ?


Hi,

I have one issue in the Linux server.


DiskBusyPercent :
==================

Disk_Write_Percent>90.00 OR Disk_Read_Percent>90.00

Disk_Read_Percent=100.28



How to check this Disk Buzy percent in Redhat Linux 6.1 ?

What could be the possible causes for this Disk Buzy percent?

How to resolve this issue ?

Any help....please.......


Regards,
Aparna.
 
Old 01-11-2013, 10:36 AM   #2
TB0ne
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Registered: Jul 2003
Location: Birmingham, Alabama
Distribution: SuSE, RedHat, Slack,CentOS
Posts: 14,192

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Quote:
Originally Posted by redhat70 View Post
Hi,
I have one issue in the Linux server.

DiskBusyPercent :
==================
Disk_Write_Percent>90.00 OR Disk_Read_Percent>90.00
Disk_Read_Percent=100.28

How to check this Disk Buzy percent in Redhat Linux 6.1 ?
Where are you getting this now? And why don't you use that same command on RHEL6?
Quote:
What could be the possible causes for this Disk Buzy percent? How to resolve this issue ?
Any help....please.......
The disk is busy, because something is accessing it. Wouldn't it make sense to check your currently running processes, to see what was doing it? Have you looked at sar, pidstat, or iostat??

And, as has been said to you MANY times...have you contacted Red Hat support??? You are using RHEL, so you get access to support with your paid-for subscription, right??? They can help you with such things. Again, you rarely post follow-ups, answer questions, say thanks, or even bother to mark threads solved, or share solutions...so why should we continue to help you?
 
Old 01-12-2013, 06:39 AM   #3
redhat70
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Registered: May 2012
Posts: 86

Original Poster
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Hi,

If you can't help me, kindly keep ignoring my questions.

Don't bother about my queries....please....

There are many people in the world who are ready to help me....

Please don't give helpless replies.....


I will give answer to the question i have posted...

see here ...and this solution i got from somebody who helped me online in some other forum....


if it is useful for you ..please take my help.....i like people helping and not like you....

SOLUTION TO THE QUESTION I HAVE POSTED:
=========================================

- iostat can provide the values
- A graphing tool like cacti or collectd can collect those and show trends
- and a monitoring tool like nagios, xymon can alert if thresholds are reached

Cause of disk utilization is...
programs need IO for their tasks

How to resolve:
Investigate what needs IO and why and in which way.
Then either optimize the config or spread the load (e.g. use different spindles for logs, input data, output data or add more discs/controllers or use more machines)



Regards,
Aparna.
 
Old 01-12-2013, 10:25 AM   #4
TB0ne
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Registered: Jul 2003
Location: Birmingham, Alabama
Distribution: SuSE, RedHat, Slack,CentOS
Posts: 14,192

Rep: Reputation: 2469Reputation: 2469Reputation: 2469Reputation: 2469Reputation: 2469Reputation: 2469Reputation: 2469Reputation: 2469Reputation: 2469Reputation: 2469Reputation: 2469
Quote:
Originally Posted by redhat70 View Post
Hi,
If you can't help me, kindly keep ignoring my questions. Don't bother about my queries....please.... There are many people in the world who are ready to help me....Please don't give helpless replies.....
I DID help you, but you apparently didn't read/understand it. Did you not read this:
Quote:
Originally Posted by TB0ne
The disk is busy, because something is accessing it. Wouldn't it make sense to check your currently running processes, to see what was doing it? Have you looked at sar, pidstat, or iostat?
Did you not see that I mentioned THREE UTILITIES to help you check it?
Quote:
I will give answer to the question i have posted...see here ...and this solution i got from somebody who helped me online in some other forum.... if it is useful for you ..please take my help.....i like people helping and not like you....
People have been spoon-feeding you here for quite some time, myself included. AGAIN, you rarely post follow-ups, answer questions that are asked of you, or even say thanks. Why should anyone continue to help you, when you behave like that?

I even asked you what you used to get the statistics you posted initially...yet you didn't answer, and still haven't. Do you not see a pattern there? How about some of your previous posts:
http://www.linuxquestions.org/questi...se-4175432397/
http://www.linuxquestions.org/questi...up-4175415363/
http://www.linuxquestions.org/questi...sk-4175416633/
http://www.linuxquestions.org/questi...se-4175424679/
http://www.linuxquestions.org/questi...se-4175430598/
http://www.linuxquestions.org/questi...er-4175432070/
...where you can't even try to look simple questions up? As you said..."Please don't give helpless replies".
Quote:
SOLUTION TO THE QUESTION I HAVE POSTED:

- iostat can provide the values
- A graphing tool like cacti or collectd can collect those and show trends
- and a monitoring tool like nagios, xymon can alert if thresholds are reached

Cause of disk utilization is...programs need IO for their tasks

How to resolve:
Investigate what needs IO and why and in which way. Then either optimize the config or spread the load (e.g. use different spindles for logs, input data, output data or add more discs/controllers or use more machines)
Wow...congratulations...you got the same answer I gave you...again, I told you about iostat in my first reply. And yes, any monitoring system can ALERT you to what's going on, but you then have to go fix the problem.

Glad it was so much help.

Last edited by TB0ne; 01-12-2013 at 10:39 AM.
 
  


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