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Multiple smart array P400 controller on DL580 G5

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SIA Linux
Occasional Visitor

Multiple smart array P400 controller on DL580 G5

Hi,
is possible to install two smart array P400 controller on DL580 G5 server?
This is for performance improvement, I have only 4 physical disks, but I want to balance the load between them.

Thanks
4 REPLIES
gregersenj
HPE Pro
Solution

Re: Multiple smart array P400 controller on DL580 G5

Yes you can install multible RAID controllers.

I don't believe you will get a lot of performance from that.

Are You using seperate disks, or are you using RAID?
What RAID level?
SIA Linux
Occasional Visitor

Re: Multiple smart array P400 controller on DL580 G5

Now I'm using 4 physical drives configured as 2 logical drive (RAID1).
My application writes two kind of data:
1) local database data (ctree),
2) log data.
I want to separate them by using 2 controller, do you think I don't get more performance from this action?

Thanks
Ruel Alojado
Advisor

Re: Multiple smart array P400 controller on DL580 G5

Yes It is.

But you can utilized the second channel of your P400. Bay 1-4 is using the first channel, bay 5-8 used second channel.

Since you have only 4 Disks, better to put two HDD in Bay 1 and 2 (configured as Raid1+0)and the other two to Bay 5 and 6 (configured as Raid1+0).

No need to install additional Array Controller.

Regards
SIA Linux
Occasional Visitor

Re: Multiple smart array P400 controller on DL580 G5

Is there a way to see controller cache statistics?
I want to know if the amount of cache installed is enough for my application.

Thanks