[Beowulf] petabyte for $117k

Eugen Leitl eugen at leitl.org
Tue Sep 1 12:10:29 EDT 2009


On Tue, Sep 01, 2009 at 08:35:26AM -0700, Greg Lindahl wrote:
> http://blog.backblaze.com/2009/09/01/petabytes-on-a-budget-how-to-build-cheap-cloud-storage/
> 
> Kinda neat -- how does the price compare to the various 48-drive
> systems available?

"Seagate ST31500341AS 1.5TB Barracuda 7200.11 SATA 3Gb/s 3.5″
Aargh! Should be definitely substituted by 2 TByte WD RE4 drive.

Today I've built a 32 TByte raw storage Supermicro box with X8DDAi
(dual-socket Nehalem, 24 GByte RAM, IPMI), two LSI SAS3081E-R and OpenSolaris
sees all (WD2002FYPS) drives so far (the board refuses to boot from DVD 
when more than 12 drives are in though probably to some BIOS
brain damage, so you have to manually build a raidz-2 with all
16 drives in it once Solaris has booted up). The drives are about 
3170 EUR sans VAT total for all 16, the box itself around 3000 EUR 
sans VAT. I presume Linux with RAID 6 would work (haven't checked yet), 
too, and if you need more you can use a cluster FS.

Maybe not as cheap as a Backblaze, but off-shelf (BTO) and
you get what you pay for.

-- 
Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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