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E200 array controller perfomance issue

 
juan quesada
Respected Contributor

Re: E200 array controller perfomance issue

for simplicity, just numbers
RobInMtl
Occasional Advisor

Re: E200 array controller perfomance issue


Disk Time jumps between 60.00 & 118.00
Disk Queue Length jumps is either 0.00 or 1.000
Processor Time is between 30.00 & 40.00

Network , well its between local disks, not sure why that matters...

??
juan quesada
Respected Contributor

Re: E200 array controller perfomance issue

Disk - PhysicalDisk\% Disk Time above 90 is consider a bottleneck
Disk - PhysicalDisk\ Current Disk Queue Length of 2 or above is consider a bottleneck

if Processor- %Processor Time and Network Interface Connection - Bytes Total/sec and Disk - PhysicalDisk\% Disk Time If all three of these counters have high values, the hard disk is not causing a bottleneck. However, if %Disk Time is high and the other two counters are low, the disk might be the bottleneck.
RobInMtl
Occasional Advisor

Re: E200 array controller perfomance issue


Ok thanks for the help, i will look in to that.

Rob..
Highlighted

Re: E200 array controller perfomance issue

You're using E200, which configuration?
can you tell me about E200 RAM?
RAID level
and having a BBWC or not?

please remember that a failed BBWC will force your controller to operate in safe conditions and disable all write chaches for fast disk writes.

check for your E200 RAM config, RAID level and state of BBWC.

check your POST messages for warnings.
If no one works, Diag your controller Insight Diagnostics.

Good luck