Re: RIAK, RAID, Redundancy and Raccoons

2012-01-16 Thread Ryan Zezeski
Sam, I think using N=2 and RAID0 might be playing it a little fast and loose. You may only have 4 machines but since each has 24 disks you're looking at 4*24=96 disks. Given that one failed disk takes out an entire machine I wonder the probability of 2 disks failing on two different machines whi

RIAK, RAID, Redundancy and Raccoons

2012-01-13 Thread Sam R
(not actually raccoons but I wanted a fourth R) We have (not yet, but we will soon) 4 servers with 24x1TB raw data drives (OS on ssd). These servers will be providing static object storage (specifically, photos). Performance isn't important since all the data will be stored by a CDN sitting in fro