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100% disk utilization- Need Help


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#1 azim1988

azim1988

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Posted 19 November 2015 - 07:31 AM

Hello Everyone,

I really need your help to resolve the big server issue for me. I have been facing since 6 months.

My server becomes very slow after 4-5PM everyday and user start complaining that their server is hanging.

I have windows server 2008 R2.

I have seen in the resource monitor and below is the screen shot for the same where it is utilizing 100% disk.

http://prntscr.com/94hiu1

Please help to resolve this issue.

Thank you.



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#2 Whisker58

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Posted 27 November 2015 - 05:37 PM

Looks like you've got MalwareBytes, McAfee, SQL Server, which by themselves can be IOPS heavy.  First, pull out all the anti-malware stuff.  If you have multiple anti-malware programs, they will compete for resources and chew up your disk queue.  Have one and only one anti-malware program.  If it's always the same time of day, then it's probably a scheduled activity.  SQL Agents can have scheduled things, so can anti-malware, and backup programs.  If you've got file sharing to clients, it could be scheduled activity on an endpoint.  Also, clients could be running things like a daily SQL report.  Further, make sure you have enough compute and RAM for an SQL server.  Assuming this is the back-end for some business system, you're going to need a minimum of 4-cores and 8GB RAM.  A cheap RAID controller, or software RAID can slow you down too.  If you have old hard-drives, pushing 3 to 5 years, that can slow you down as well.

 

Hope that give you some direction.






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