Release Notes

PS Series capacity
33 Dell PS Series Configuration Guide
PS Series array RAID set relationship for each RAID type in a 14-drive configuration
RAID policy
Spare disk
RAID set relationship
Best practice
RAID 6
1 spare disk
(11+2)
(6+2 HDD, 3+2 SSD)*
Yes
RAID 10
2 spare disks
(6+6)
Yes
RAID 50
2 spare disks
(5+1, 5+1)
For selected configuration
RAID 5
1 spare disk
(12+1)
Not for business-critical data
*Applies to the PS-M4110XS hybrid array configuration.
PS Series array RAID set relationship for each RAID type in an 84-drive configuration
RAID policy
Spare disks
RAID set relationship
Best practice
RAID 6
2 spare disks
(12+2) (12+2) (12+2) (12+2) (12+2) (10+2)
Yes
RAID 10
2 spare disks
(12+2) (12+2) (12+2) (12+2) (12+2) (10+2)
Yes
RAID 50
2 spare disks
(12+2) (12+2) (12+2) (12+2) (12+2) (10+2)
Not for business-critical data
RAID 5
2 spare disks
(12+2) (12+2) (12+2) (12+2) (12+2) (10+2)
Not for business-critical data
PS Series array RAID set relationship for each RAID type in a 42-drive configuration
RAID policy
Spare disks
RAID set relationship
Best practice
RAID 6
2 spare disks
(12+2) (12+2) (10+2)
Yes
RAID 10
2 spare disks
(12+2) (12+2) (10+2)
Yes
RAID 50
2 spare disks
(12+2) (12+2) (10+2)
Not for business-critical data
RAID 5
2 spare disks
(12+2) (12+2) (10+2)
Not for business-critical data