QNAP TS-439 Pro Turbo NAS
Aug 25th, 2009 | By SimonThose that are concerned with data integrity have likely heard of RAID 1, mirroring. It’s generally slower as the data needs to be written onto both disks. With RAID 5 you get the advantage of speed and redundancy. Total storage is the combined total number of all disks minus one as redundancy where parity is distributed over all disks in the array. RAID 5 is perhaps the cheapest way to boost hard disk performance while keeping data safe.
Once again, the profile doesn’t change very much. There’s a steady linear increase in performance proportional to both record size and file size. The 50MB/s threshold is broken a few times and the average read speed is just over 19MB/s. With the re-reader, the average is 45MB/s.
The average write speed is 19.3MB/s and re-write of 40.72MB/s