# [OmniOS-discuss] HP Proliant Gen9 server

Trey Palmer trey at mailchimp.com
Tue Oct 20 13:22:24 UTC 2015

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    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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