Date: Fri, 28 May 2021 13:47:54 +0100 From: Gary Palmer <gpalmer@freebsd.org> To: Ben RUBSON <ben.rubson@gmx.com> Cc: scsi@freebsd.org Subject: Re: SAS3808 PCI-E 4.0, FreeBSD / ZFS support ? Message-ID: <YLDmemlcWvVnXGH6@in-addr.com> In-Reply-To: <3FA08344-3B0A-4564-BD42-090EEA83BCD6@gmx.com> References: <3FA08344-3B0A-4564-BD42-090EEA83BCD6@gmx.com>
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On Fri, May 28, 2021 at 07:34:53AM +0200, Ben RUBSON wrote: > Hi, > > Looking to buy SuperMicro SSG-540P-E1CTR36L, bringing a SAS3808 based PCI-E 4.0 adapter. > > Everyone knows SAS2008 (PCI-E 2.0) and SAS3008 (PCI-E 3.0) as widely advised when working with ZFS. > > But what about SAS 3808 ? I did not find much experience sharing, especially about its FreeBSD support, and ZFS compatibility level. > As SAS3808 has twice the PCI bus bandwidth as the SAS3008, could be useful with large JBODs. > > Thank you very much ! > > Kind regards, > > Ben > > //already posted at fs@, but scsi@ is certainly more relevant here, sorry for double post I don't see any driver for FreeBSD on the "HBA 9500-8i Tri-Mode Storage Adapter" page on broadcom.com, which is a 3808 based card. "mpr" man page in FreeBSD 12 doesn't mention support, neither does FreeBSD 13 but there is some code in the driver for the 3816. Not sure why 3816 is mentioned but not 3808. Regards, Gary
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