Re: LSI Logic MegaRAID SAS 8208ELP

From: John Baldwin <jhb_at_freebsd.org>
Date: Tue, 30 Sep 2008 10:12:52 -0400
On Monday 29 September 2008 01:24:57 pm Martin Nilsson wrote:
> Tom Evans wrote:
> > Hi all
> >
> > I'm looking at building a large home NAS, using ZFS, for long term media
> > storage and spooling recordings from a linux mythtv box. I am very keen
> > to avoid using ata(4), and was wondering if this card was supported by
> > either mfi(4) or amr(4)? It isn't explicitly mentioned in either, but
> > the 8408 is supported by mfi(4).
> >   
> The LSI MegaRAID SAS 8204/8208 cards are software raid and are supported
> by the mpt driver under FreeBSD as 8 separate SAS ports with no RAID 
> function.

Err, MegaRAID SAS parts should be mfi(4) devices, not mpt(4).  Also, mpt(4) 
devices that support RAID are not software RAID.  The controller manages the 
RAID functionality, but the mpt(4) parts I've seen only support RAID 0/1/1E.

-- 
John Baldwin
Received on Tue Sep 30 2008 - 12:36:22 UTC

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