[CentOS] 8-15 TB storage: any recommendations?

Pasi Kärkkäinen pasik at iki.fi
Mon Jan 11 13:00:41 UTC 2010


On Fri, Jan 08, 2010 at 12:33:39PM +0100, Rainer Duffner wrote:
> Karanbir Singh schrieb:
> > On 01/08/2010 01:58 AM, Christopher Chan wrote:
> >   
> >>> the thumpers make for decent backup or vtl type roles, not so much for
> >>> online high density storage.
> >>>       
> >> I wonder how much that would change with a bbu NVRAM card for an
> >> external journal for ext4 and the disks on md. Unless one cannot add a
> >> bbu NVRAM card...
> >>     
> >
> > Good question, they are after all ( the Sun 45xx's ) just opteron box's 
> > with a mostly standard build. Finding a CentOS compatible ( drivers 
> > pre-included, and not crap like cciss ) would not be too hard.
> >
> >   
> 
> 
> With ZFS, the whole machine is the RAID-controller (basically).
> NVRAM in ZFS would be used for L2ARC.
> Of course, this ask for a sane system-desgin (which the thumpers do
> have, as mentioned - AFAIK, there are virtually no off-the-shelf
> motherboads that can offer the thumper's distribution of SATA-channels
> over HT-links.
> 
> CentOS wouldn't run bad on such a motherboard, either (and RHEL is
> supported).
> ;-)
> 

Last time I checked only RHEL4 was support.. RHEL5 lacks (properly working) 
SATA driver for the controller used in the thumper.

Is RHEL5 supported/working nowadays?

-- Pasi



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