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32 Dell PS Series Storage: Choosing a Member RAID Policy | TR1020 | v 4.7
E 42 or 84-disk PS Series RAID configurations
Dell Storage PS6610 arrays are offered in 84 or 42 drive configurations. The hybrid version of the PS6610 is
only available in the 84 drive configuration. The following tables show the RAID relationships for these
configurations.
RAID set relationship for an 84 drive PS Series 6610 array.
RAID Policy
Spare Disks
RAID Set Relationship
Best Practice
RAID 10
2 Spare Disk
(7+7) (7+7) (7+7) (7+7) (7+7) (6+6)
R10- No for HDD or
SSD greater than 6
TB.
RAID 6
2 Spare Disk
(12+2) (12+2) (12+2) (12+2) (12+2)
(10+2)
Yes
RAID 6
Accelerated
1 Spare HDD
1 Spare SSD
(12+2 HDD) (12+2 HDD) (12+2 HDD)
(12+2 HDD) (11+2 HDD) (11+2 SSD)
N/A
1
RAID 50
RAID 5
2 Spare Disks
(12+2) (12+2) (12+2) (12+2) (12+2)
(10+2)
Not for business
critical data
2
1
RAID 6 Accelerated is the only available option for hybrid (mix of HDD and SSD) arrays.
2
RAID 5 and RAID 50 are not available via the Group Manager UI on PS6610 arrays.
RAID set relationship for a 42 drive PS Series 6610 array.
RAID Policy
Spare Disks
RAID Set Relationship
Best Practice
RAID 10
2 Spare Disk
(7+7) (7+7) (6+6)
R10 – No for HDD or
SSD greater than 6
TB.
RAID 6
2 Spare Disk
(12+2) (12+2) (10+2)
Yes
RAID 50
RAID 5
2 Spare Disks
(12+2) (12+2) (10+2)
Not for business
critical data
1
1
RAID 5 and RAID 50 are not available via the Group Manager UI on PS6610 arrays.