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02-04-2015 01:00 AM
02-04-2015 01:00 AM
Disk Performance Problem HP ProLiant BL460c
Hi everyone:
We have a performance problem with this server copiying files. The behaivor is that at the beginning the process goes 50MB/s but after 5seconds stucks the process varing between 2MB/s and 1MB/s.
The disks are (in Raid1) WD5000BEVT-0 Western Digital and the Storage Controller is Smart Array e200 over WS2012R2
Below im describing the steps that i follow with no luck.
-Update BIOS.
-Update Smart Array E200 Firmware.
-Changing the Disks the performance is normal.
-CHKDSK /R/F/B: With no errors.
-WD Diagnostic Tool with no errors.
-HD tune, with no errors.
So o think is an incomplatiblity betweeen Storage controller and disk but i dont know how to solve it.
Can anybody help me?
thanks in advance.
regards.
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02-13-2015 09:01 PM
02-13-2015 09:01 PM
Re: Disk Performance Problem HP ProLiant BL460c
hi
i am sure your OS is windows.
it shows you extremely high values at the beginning and then slows down to the real data rate after some seconds.
i think your problem is as follows:
- you do a copy of files on the same disk
- your data are fragmented, or your data are comprised of small files
so nothing is wrong with your hardware.
ERNESTO