Re: Xen, grub and suggestions for a hardware RAID?

[Stephen Borrill <netbsd%precedence.co.uk@localhost>]

On Wed, 14 Feb 2007, Johan Ihren wrote:
> Stephen Borrill wrote:
>
> > I've been using 8506S and 9500S for a while with no problems, plus you can 
> > use the FreeBSD tw_cli command line utility to manage them. The UK 3ware 
> > disti is telling us that 9500 series cards are on their way out and they 
> > don't hold stock. They were pushing the 9550 instead (and a PCI-Express 
> > version which didn't look to be supported ATM) which is less flexible about 
> > what PCI slots it will fit in. Both 9500 and 9550 are supported bye twa).
>
> Aha. So you're using the tw_cli utility from inside NetBSD, under emulation? 
> If that works, great... much more convenient than having to exit to BIOS. 
> Like having most of the benefits of RAIDframe in combination with the 
> benefits of a h/w RAID. I'll probably try a 9550SX next time.

Yes, this is on 3.1_STABLE with the FreeBSD emulation package (thanks to 
manu for getting tw_cli working and getting it pulled up to 3.1).

Here's an example:

backup 1# tw_cli info c0

Unit  UnitType  Status         %Cmpl  Stripe  Size(GB)  Cache  AVerify 
IgnECC
------------------------------------------------------------------------------
u0    RAID-5    OK             -      64K     1490.44   ON     -        -

Port   Status           Unit   Size        Blocks        Serial
---------------------------------------------------------------
p0     OK               u0     372.61 GB   781422768     3NF05WJZ
p1     OK               u0     372.61 GB   781422768     3NF062XS
p2     OK               u0     372.61 GB   781422768     3NF05NEK
p3     OK               u0     372.61 GB   781422768     3NF01FL9
p4     OK               u0     372.61 GB   781422768     3NF05TF3
p5     OK               -      372.61 GB   781422768     3NF05TC6
p6     NOT-PRESENT      -      -           -             -
p7     NOT-PRESENT      -      -           -             -

--
Stephen