RAID 5+0

RAID5+0 stripes data across mulitiple RAID5 groups using a front-end RAID0 method.
Such multiple RAID5 striping enables one disk per group to be saved in the event of disk failure. This provides higher reliability in large-capacity configuration systems compared with a single RAID5 group. In addition, the rebuilding of transactions, which with RAID 5 and RAID 6 takes an increasingly longer time as disk capacity grows, can be executed much faster with RAID5+0 as the amount of data in each RAID group is smaller.

Video demonstration

Write process

Read process

Process on disk failure

RAID 5+0 supported:

All-Flash Arrays ETERNUS AF150 S3
ETERNUS AF250 S3/S2, AF250
ETERNUS AF650 S3/S2, AF650
Hybrid Storage Systems ETERNUS DX60 S5/S4/S3
ETERNUS DX100 S5/S4/S3, DX200 S5/S4/S3
ETERNUS DX500 S5/S4/S3, DX600 S5/S4/S3
ETERNUS DX8700 S3/S2, DX8900 S4/S3
ETERNUS DX60 S2, DX80 S2, DX90 S2
ETERNUS DX400 S2 series

Further Information

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