[Beowulf] scaling / file serving
john.hearns at clustervision.com
Fri Jun 11 03:00:34 EDT 2004
On Thu, 2004-06-10 at 22:55, Joe Landman wrote:
> Building a disk system is easy, building one that scales well is
> The other issue is local disk. There are some folks absolutely
> horrified at the prospect of a cluster node having a local disk.
> management harder.
I fully realise there are arguments both ways.
We normally have a local disk on cluster nodes. It is formatted at
install time, and either synced or formatted at reboot time.
We can choose a partition table on a per-node basis.
The clusters we put in for the NGS in the UK have two disks per node,
one for data as you describe. We don't software RAID them though!
I heard at CERN that if you are buying ATX cased systems it was more
expensive to have them without disks in large quantities.
(Let's not ignite the rack/ATX debate please)
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