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