From nobody Fri May 28 12:47:54 2021 X-Original-To: scsi@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4BE90BF2FEB for ; Fri, 28 May 2021 12:48:03 +0000 (UTC) (envelope-from gpalmer@freebsd.org) Received: from mail.in-addr.com (mail.in-addr.com [IPv6:2a01:4f8:191:61e8::2525:2525]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Fs4Gq1C4hz3FrC for ; Fri, 28 May 2021 12:48:02 +0000 (UTC) (envelope-from gpalmer@freebsd.org) Received: from gjp by mail.in-addr.com with local (Exim 4.94.2 (FreeBSD)) (envelope-from ) id 1lmbu6-00091U-Rc; Fri, 28 May 2021 13:47:54 +0100 Date: Fri, 28 May 2021 13:47:54 +0100 From: Gary Palmer To: Ben RUBSON Cc: scsi@freebsd.org Subject: Re: SAS3808 PCI-E 4.0, FreeBSD / ZFS support ? Message-ID: References: <3FA08344-3B0A-4564-BD42-090EEA83BCD6@gmx.com> List-Id: SCSI subsystem List-Archive: https://lists.freebsd.org/archives/freebsd-scsi List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-scsi@freebsd.org X-BeenThere: freebsd-scsi@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3FA08344-3B0A-4564-BD42-090EEA83BCD6@gmx.com> X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: gpalmer@freebsd.org X-SA-Exim-Scanned: No (on mail.in-addr.com); SAEximRunCond expanded to false X-Rspamd-Queue-Id: 4Fs4Gq1C4hz3FrC X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N 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