Release Notes

Storage profiles and RAID levels
25 Optimizing Dell EMC SC Series Storage for Oracle OLAP Processing | 2009-M-BP-O
A Storage profiles and RAID levels
Storage profiles available with write SSDs and HDDs, or with HDDs only
Name
Initial
write tier
Tier (T) and RAID levels
Progression
Recommended (All Tiers)
1
Writes: T1 RAID 10
Snapshots: RAID 5/RAID 6
To all tiers
High Priority (Tier 1)
1
Writes: T1 RAID 10
Snapshots: T1 RAID 5/RAID 6
Stay in tier 1
Medium Priority (Tier 2)
2
Writes: T2 RAID 10
Snapshots: T2 RAID 5/RAID 6
Stay in tier 2
Low Priority (Tier 3)
3
Writes: T3 RAID 10
Snapshots: T3 RAID 5/RAID 6
Stay in tier 3
Storage profiles available with both write SSDs and read SSDs
Name
Initial
write tier
Tier (T) and RAID levels
Progression
Flash Optimized with
Progression
(Tier 1 to All Tiers)
1
Writes: T1 RAID 10
Snapshots: RAID 5/RAID 6
To all tiers
Write Intensive (Tier 1)
1
Writes: T1 RAID 10
Snapshots: T1 RAID 10
Stay in tier 1
Flash Only with Progression
(Tier 1 to Tier 2)
1
Writes: T1 RAID 10
Snapshots: T2 RAID 5
To tier 2
Low Priority with Progression
(Tier 3 to Tier 2)
3
Writes: T3 RAID 10
Snapshots: T3 RAID 5/6 or T2 RAID 5
To tier 2
Low Priority (Tier 3)
3
Writes: T3 RAID 10
Snapshots: T2/T3 RAID 5/6
Stay in tier 3