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The major different is number of HDD to be used for raid 6 is 4 and raid 5 we need atleast 6.
Each disk has metadata that identifies whether the disk is a member of a vdisk, and identifies other members of that vdisk. If a disk’s metadata says the disk is a member ... See More
RAID 6 uses both striping and parity techniques but unlike RAID 5 utilizes two independent parity functions which are then written to two member disks.
RAID level configurations are Vendor independent. RAID 5 uses 1 Disk as Fault tolerance where as RAID 6 uses 2 Disks.
RAID 5 can be either software or hardware RAID 6 is implemented through hardware
RAID-6 has 2 disks as fault tolerance and RAID-5 has 1 disks.
RAID 6 is tolerant of two disk failures at a time. But RAID 5 is tolerant of only one disk failure at a time. RAID 6 uses two independent parity. But RAID 5 uses distribu ... See More
RAID 5 uses striping with parity data in distributed blocks across all member disks. A RAID 5 volume is tolerant of a single disk failure RAID 6 uses striping with parity ... See More