[Beowulf] Storage recommendations?
robh at dongle.org.uk
Fri Oct 30 11:26:31 EDT 2009
I'm looking for some recommendations for a new "scratch" file server for
our cluster. Rough requirements are:
- Around 20TB of storage
- Good performance with multiple nfs writes (it's quite a mixed workload
so hard to characterise further)
- Data security not massively important as it's just for scratch /
It'll just be a single server serving nfs, I'm not looking to go down
the luster / pvfs route.
I'm thinking of
- 3Ware 9690 24 port controller with
- 20 1TB SATA disks in RAID5 for the data
- 2 500GB SATA disk in RAID1 for the OS and
- 2 64GB SSDs in RAID1 for the journal for the data fs.
with 2 Quadcore 3.3GHz Xeon processors and 32GB of RAM
Anyone have any thoughts / suggestions on this?
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