Administrator Guide

Table Of Contents
Table 26. 14–Drive Conguration shows the RAID set relationship for each RAID type in a 14-drive conguration.
Table 26. 14–Drive Conguration
RAID Policy Spare Disks RAID Set Relationship Best Practices
RAID 6 1 (11+2) Yes
RAID 6
Accelerated
1 HDD (6+2 HDD) (6+2 SSD) N/A
RAID 10 2 (6+6) Yes
RAID 50 2 (5+1)(5+1) For selected congurations
RAID 5 1 (12+1) Not for business-critical data
Table 27. 16-Drive Conguration shows the RAID set relationship for each RAID type in a 16-drive conguration.
Table 27. 16-Drive Conguration
RAID Policy Spare Disks RAID Set Relationship Best Practices
RAID 6 1 (13+2) Yes
RAID 10 2 (7+7) Yes
RAID 50 2 (6+1, 6+1 ) For selected congurations
RAID 5 1 (14+1) Not for business-critical data
Table 28. 24-Drive Conguration shows the RAID set relationship for each RAID type in a 24-drive conguration.
Table 28. 24-Drive
Conguration
RAID Policy Spare Disks RAID Set Relationship Best Practices
RAID 6 1 (10+2) (9+2) Yes
RAID 10 2 (6+6) (5+5) Yes
RAID 50 2 (5+1, 5+1) (4+1, 4+1) For selected congurations
RAID 5 1 (12+1) (9+1) Not for business-critical data
Table 29. 42–Drive Conguration shows the RAID set relationship for each RAID type in a 42-drive conguration.
Table 29. 42–Drive
Conguration
RAID Policy Spare Disks RAID Set Relationship Best Practices
RAID 6 2 (12+2) (12+2) (10+2) Yes
RAID 10 2 (7+7) (7+7) (5+5) Yes
RAID 50 2 (12+2) (12+2) (10+2) Not for business-critical data
RAID 5 2 (12+2) (12+2) (10+2) Not for business-critical data
Table 30. 48-Drive Conguration shows the RAID set relationship for each RAID type in a 48-drive conguration.
Table 30. 48-Drive
Conguration
RAID Policy Spare Disks RAID Set Relationship Best Practices
RAID 6 1 (12+2, 12+2, 12+2) (3+2) Yes
RAID 10 2 (7+7, 7+7, 7+7) (2+2) Yes
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PS Series Group Operations