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2006 Sep 21
1
Software versus hardware RAID performance.
...rty minutes; with it running in LSI MPT SCSI mode it's taking half that 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 criti...