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02-26-2021 01:27 AM
02-26-2021 01:27 AM
Flexible vs PCI array controllers
Hi everyone,
I'm wondering what could be the advantage of having 2 Smart Array controllers, for example an E208i-A + E208iP
What are the possibile uses for a configuration such as this?
I was talking about this with a client that wants to use GlusterFS but i don't really know how it would work.
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02-26-2021 03:42 AM
02-26-2021 03:42 AM
Re: Flexible vs PCI array controllers
Hi,
you can connect more Disk Drives without using a SAS Expander.
You have more Read Cache (The E Modell have only Read Cache).
If you do a Software Raid 1 split to both Controllers, then one Controller can fail, without loss of Data access.
In practice, I prefer one controller because then I don't have two disk pools.
Cali
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03-02-2021 09:22 PM
03-02-2021 09:22 PM
Re: Flexible vs PCI array controllers
Hello,
I hope the below documents will help you.
HPE Smart Array Controllers - Supported Gen10 Servers
https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=emr_na-a00039156en_us
HPE Smart Array SR Gen10 Controllers
https://h20195.www2.hpe.com/v2/getpdf.aspx/a00047736enw.pdf
HPE Smart Array SR Gen10 Configuration Guide
http://itdoc.hitachi.co.jp/manuals/ha8000v/hard/Gen10/SA/882375-002_en.pdf
https://support.hpe.com/hpesc/public/docDisplay?docId=a00018944en_us
I am a HPE Employee.
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]