Looking for PCI express SCSI diff card recommendations

Ken Merry ken at freebsd.org
Mon Jan 14 20:09:09 UTC 2019


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
— 
Ken Merry
ken at FreeBSD.ORG



> On Jan 14, 2019, at 2:05 PM, Kevin Bowling <kevin.bowling at kev009.com> wrote:
> 
> Ken,
> 
> 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.
> 
> Regards,
> Kevin
> 
> On Mon, Jan 14, 2019 at 7:50 AM Kenneth D. Merry <ken at freebsd.org> wrote:
>> 
>> 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:
>>>> 
>>>> https://github.com/LinearTapeFileSystem/ltfs <https://github.com/LinearTapeFileSystem/ltfs>
>>> 
>>> Any chance of that getting merged into the FreeBSD repo and becoming
>>> officially supported?
>> 
>> 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.)
>> 
>> 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.
>> 
>> 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:
>> 
>> https://spectralogic.com/products/blackpearl/
>> 
>> 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...
>> 
>> 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.)
>> 
>> Ken
>> --
>> Kenneth Merry
>> ken at FreeBSD.ORG
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