From owner-freebsd-scsi@freebsd.org Mon Jan 14 20:09:09 2019 Return-Path: Delivered-To: freebsd-scsi@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1D0431485CB9 for ; Mon, 14 Jan 2019 20:09:09 +0000 (UTC) (envelope-from ken@freebsd.org) Received: from mithlond.kdm.org (mithlond.kdm.org [96.89.93.250]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mithlond.kdm.org", Issuer "mithlond.kdm.org" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 13F1A7382B for ; Mon, 14 Jan 2019 20:09:07 +0000 (UTC) (envelope-from ken@freebsd.org) Received: from [10.0.0.29] (kenmbpspectra.int.kdm.org [10.0.0.29]) (authenticated bits=0) by mithlond.kdm.org (8.15.2/8.14.9) with ESMTPSA id x0EK967v079929 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 14 Jan 2019 15:09:06 -0500 (EST) (envelope-from ken@freebsd.org) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Subject: Re: Looking for PCI express SCSI diff card recommendations From: Ken Merry In-Reply-To: Date: Mon, 14 Jan 2019 15:09:05 -0500 Cc: "Kevin P. Neal" , FreeBSD-scsi Content-Transfer-Encoding: quoted-printable Message-Id: <73EB5523-361E-49A2-AF33-2F5BAECD4759@freebsd.org> References: <9D2ED808-CE43-41BE-9698-45F0D85843A7@langille.org> <9C8F819A-7B8F-46C8-90E7-BDD16C785BD8@samsco.org> <36153F07-0FE2-4DD5-9BD9-EBD18F88FC10@kdm.org> <20190114142631.GA18432@neutralgood.org> <20190114144927.GP40028@mithlond.kdm.org> To: Kevin Bowling X-Mailer: Apple Mail (2.3445.102.3) X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.4.3 (mithlond.kdm.org [96.89.93.250]); Mon, 14 Jan 2019 15:09:06 -0500 (EST) X-Rspamd-Queue-Id: 13F1A7382B X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.97)[-0.973,0]; ASN(0.00)[asn:7922, ipnet:96.64.0.0/11, country:US] X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jan 2019 20:09:09 -0000 Looks good, thank you! I put a couple of comments in there about tape drive compatibility and = configuring the kernel so you can write larger tape blocks. Thanks, Ken =E2=80=94=20 Ken Merry ken@FreeBSD.ORG > On Jan 14, 2019, at 2:05 PM, Kevin Bowling = wrote: >=20 > Ken, >=20 > Give this a try https://reviews.freebsd.org/D18841 - if Spectra has > any config or rc scripts or whatever that I should add send it my way. >=20 > Regards, > Kevin >=20 > On Mon, Jan 14, 2019 at 7:50 AM Kenneth D. Merry = wrote: >>=20 >> On Mon, Jan 14, 2019 at 09:26:31 -0500, Kevin P. Neal wrote: >>> On Mon, Jan 14, 2019 at 09:10:43AM -0500, Ken Merry wrote: >>>> If you want to use LTFS on FreeBSD, I ported IBM???s LTFS to = FreeBSD: >>>>=20 >>>> https://github.com/LinearTapeFileSystem/ltfs = >>>=20 >>> Any chance of that getting merged into the FreeBSD repo and becoming >>> officially supported? >>=20 >> It would probably make the most sense to put it in the ports tree. = It is a >> FUSE-based filesystem, and therefore easily installable as a port. = Making >> it a port would also make it easier to keep up to date with IBM's >> development. (It is under active development.) >>=20 >> As far as putting it in the base system, I think it is something that = will >> get used as a standalone filesystem fairly infrequently. Very few = people >> will have an IBM LTO-5 or newer drive / library. And most people = shelling >> out the money for any amount of tape are either going to run a backup >> package or archive package on it, not just LTFS by itself. >>=20 >> So, with stock FreeBSD, you would most likely run Bacula or Amanda = for >> backup usage. I'm not sure if there are commercial backup packages = with >> FreeBSD support. If you want a commercial FreeBSD-based archive = product >> that will manage your tape library and do a lot more: >>=20 >> https://spectralogic.com/products/blackpearl/ >>=20 >> BlackPearl uses LTFS as its tape storage format, so that even if you = want >> to switch to something else later on, you aren't "stuck" with a = proprietary >> tape format. It can also import other vendors' LTFS-formatted tapes, >> assuming they follow the standard... >>=20 >> If someone would like to make a port out of LTFS, that's fine with = me... >> (Just a little busy with other stuff right now, and I'm not a ports >> committer.) >>=20 >> Ken >> -- >> Kenneth Merry >> ken@FreeBSD.ORG >> _______________________________________________ >> freebsd-scsi@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-scsi >> To unsubscribe, send any mail to = "freebsd-scsi-unsubscribe@freebsd.org"