[OmniOS-discuss] HP Proliant Gen9 server

[Trey Palmer]

The expectation by HP is to use a SAS expander card if you're using the HP
RAID hardware.

I was thinking of the specific case of running ZFS on SATA SSD's hooked up
to mpt_sas HBA's.   For SATA drives on Illumos, SAS expanders should be
avoided.   Not a bad idea on any platform, but imperative on Illumos.

     -- Trey


On Tuesday, October 20, 2015, Sebastian Gabler <sequoiamobil at gmx.net> wrote:

> Am 20.10.2015 um 12:43 schrieb omnios-discuss-request at lists.omniti.com:
>
>> Message: 1
>> Date: Fri, 16 Oct 2015 00:38:49 -0400
>> From: Trey Palmer<trey at mailchimp.com>
>> To: Lawrence Giam<paladinemishakal at gmail.com>
>> Cc: omnios-discuss<omnios-discuss at lists.omniti.com>
>> Subject: Re: [OmniOS-discuss] HP Proliant Gen9 server
>> Message-ID:
>>         <
>> CADRROpUpP+E1XCAcayDWmOT4n9RJqiTabnnwz6G0rOEBNSDtCQ at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>
> One really nice thing about the DL380Gen9 is that you can get a 24xSFF
>> version with no SAS expanders.
>>
>
> I would be interested how that would work, using a single HP branded HBA
> or RAID controller. It may work using the H240ar and H240 (PCIe) each (two
> port controllers) , but I am not sure if that is a desirable configuration.
> I'd rather go for the expander card option, or for external JBODs, entirely.
> My expectation would be that the expander card would not have problems
> with HP branded drives, at least. Aftermarket drives are problematic anyhow
> in context with the HP boxes.
> The B120i is no longer available with the G9 servers, BTW.
>
> sebastian
>
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