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 RAID 5 - Block interleaved distributed parity


RAID 5 Data Recovery Services


RAID 5 is the most common type of RAID. By distributing parity across some or all of an array's member disk drives, RAID level 5 eliminates the write bottleneck inherent in level 4. The only performance bottleneck is the parity calculation process. With modern CPUs and Software RAID, that usually is not a very big problem. As with level 4, the result is asymmetrical performance, with reads substantially outperforming writes. Fault tolerance is maintained by ensuring that the parity information for any given block of data is placed on a drive separate from those used to store the data itself. The performance of a RAID 5 array can be "adjusted" by trying different stripe sizes until one is found that is well-matched to the application being used.

See other RAID arrays below:

 RAID 0 - Striped disk array
 RAID 1 - Mirroring and duplexing
 RAID 2 - Error-correcting coding
 RAID 3 - Bit-interleaved parity
 RAID 4 - Dedicated parity drive
 RAID 5 - Block interleaved distributed parity
 RAID 6 - Independent data disks with double parity
 RAID 7 - Adds caching to levels 3 or 4
 RAID 10 - High reliability combined with high data performance
 RAID 50 - High I/O rates and data transfer performance
 ZFS RAID - RAID type used by FreeNas and other units
 X-RAID - RAID type found in Netgear and other RAID units


For pricing information or questions about RAID 5 data recovery please call 1-888-307-3676.


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Tel: 613-225-7870
Toll Free: 1-888-307-3676

Montreal area
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Toronto area
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