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04-24-2015 04:12 AM - last edited on 04-26-2015 07:54 PM by Maiko-I
04-24-2015 04:12 AM - last edited on 04-26-2015 07:54 PM by Maiko-I
Hp Smart Array P400 poor perfomance
Hello. Recently, i've found a problem at one of our servers DL380 G5 with P400 installed. Problem is poor disk system perfomance. Screenshot is attached below. There are two Raid1 arrays at this controller. Host system is windows server 2012. Disks and arrays has status OK in HP ACU. What can be wrong here?
P.S. This thread has been moved from Disk Array to ProLiant Servers (ML,DL,SL). - Hp Forum moderator
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04-28-2015 08:03 AM
04-28-2015 08:03 AM
Re: Hp Smart Array P400 poor perfomance
Hello PaWeLL,
could you please share with us ADU report from HP Array Configuration Utility or Smart Storage Administrator?
Thank you!
BR
Blackie21
I work for HP
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04-28-2015 09:45 AM
04-28-2015 09:45 AM
Re: Hp Smart Array P400 poor perfomance
By the way one reason for the poor performance may be the OS as Windows Server 2012 is not supported on g5 platforms:
http://h17007.www1.hp.com/us/en/enterprise/servers/supportmatrix/windows.aspx#.VT-1vFWqqko
Hence, why you probably installed an incorrect driver or a driver that is for a windows 2008x64.
In order to answer your question, it being a performance question, we'd need a bit more information -- what kind of disks are you using, does the p400 have a cache module, is the battery ok, etc. that the ADU report the colleague talked about will help us find out.
Instructions on how to get an ADU report:
HP ACU (Array configuration Utility)
- Once the program starts, you’d have 3 tabs in the top; the middle one is labeled “diagnose”, click on it
- Then select the Smart Array Controller and choose “Array Diagnose Bericht erstellen”
- Once you’ve saved the report, you can upload it to the topic
download link for the ACU:
Of course there are additional questions that require answers:
* what performance do you expect?
* have you ever achieved it?
* do you have a comparable platform which performs better?
A quick resolution to technical issues for your HP Enterprise products is just a click away HPE Support Center Knowledge-base
See Self Help Post for more details
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04-29-2015 05:01 AM
04-29-2015 05:01 AM
Re: Hp Smart Array P400 poor perfomance
Hello.
We use 146Gb 10k rpm disks - HP DG146BAAJB .
P400 has a cacher module, but battery is in failed state. We wait for a replacement. However i enabled caching back.
Report is attached to this post.
I don't know, was this issue persistent, but we have another DL380 g5 with WinServer 2012R2 and P400 in Raid1 mode. Disk perfomance on this server is 25% higher.
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05-12-2015 05:12 AM - edited 05-12-2015 06:00 AM
05-12-2015 05:12 AM - edited 05-12-2015 06:00 AM
Re: Hp Smart Array P400 poor perfomance
I would check from system management homepage if Native Command Queuing is supported and enabled and compare with the other system..
Hope this helps!
Regards
Torsten.
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