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2006 Sep 21
1
Software versus hardware RAID performance.
...time to build and install.
The reason to run RAID0 instead of RAID5 is due to the ephemeral nature of the
data being stored on the 146's; with the USRP, I need to record data at
32MB/s with no dropouts (1 channel, 8 megasamples per second, 12 bit samples
(16 bit words), quadrature encoding (two12 bit samples (I and Q) per sampling
interval); this data is then reduced post recording into just a few hundred
megabytes, after dedispersion and phase processing; the need for raw
sustained throughput even under load is critical.
Just thought I drop this data point in.
--
Lamar Owen
Director o...