SAS3808 PCI-E 4.0, FreeBSD / ZFS support ?

Reply: Gary Palmer : "Re: SAS3808 PCI-E 4.0, FreeBSD / ZFS support ?"
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From: Ben RUBSON <ben.rubson_at_gmx.com>
Date: Fri, 28 May 2021 05:34:53 UTC

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