drives >2TB on mpt device

[Artem Belevich]

2011/4/4 Gerrit Kühn <gerrit at pmp.uni-hannover.de>:
> On Mon, 4 Apr 2011 14:36:25 +0100 Bruce Cran <bruce at cran.org.uk> wrote
> about Re: drives >2TB on mpt device:
>
> Hi Bruce,
>
> BC> It looks like a known issue:
> BC> http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/147572
>
> Hm, I don't know if this is exactly what I'm seeing here (although the
> cause may be the same):
> I do not use mptutil. The controller is "dumb" (without actual raid
> processor), and I intend to use it with zfs. However, I cannot even get
> gpart to create a partition larger than 2TB, because mpt comes back with
> only 2TB after probing the drive. As this is a problem that already exists
> with 1 drive, I cannot use gstripe or zfs to get around this.
> But the PR above states that this limitation is already built into mpt, so
> my only chance is probably to try a different controller/driver (any
> suggestions for a cheap 8port controller to use with zfs?), or to wait
> until mpt is updated to support larger drives. Does anyone know if there
> is already ongoing effort to do this?

You're probably out of luck as far as 2Tb+ support for 1068-based HBAs:
http://kb.lsi.com/KnowledgebaseArticle16399.aspx

Newer controllers based on LSI2008 (mps driver?) should not have that limit.

--Artem