Dell EqualLogic Configuration Guide v11.3
Table of Contents
1 Introduction ........................................................................................................ 1
1.1 Audience ....................................................................................................... 1
1.2 Document Structure ......................................................................................... 1
2 PS Series Storage Arrays .......................................................................................... 2
2.1 Array Models .................................................................................................. 2
2.2 Feature Comparison ......................................................................................... 3
2.3 Controllers .................................................................................................... 4
2.3.1 Controller Types ........................................................................................ 4
2.3.2 Controller Redundancy................................................................................. 5
2.3.3 Controller Failover ..................................................................................... 5
2.3.4 Firmware ................................................................................................. 7
2.4 RAID Policies .................................................................................................. 9
2.4.1 RAID 5 ..................................................................................................... 9
2.4.2 RAID 6 .................................................................................................... 10
2.4.3 RAID 10 .................................................................................................. 11
2.4.4 RAID 50 .................................................................................................. 12
3 Peer Storage Operations ......................................................................................... 14
3.1 Groups ........................................................................................................ 14
3.2 Pools ........................................................................................................... 14
3.3 Volumes ....................................................................................................... 15
3.3.1 Volume Attributes ..................................................................................... 16
3.3.2 Volume Features ....................................................................................... 17
3.3.3 Thin Provisioning ....................................................................................... 17
3.3.4 Snapshots ............................................................................................... 18
3.3.5 Cloning .................................................................................................. 18
3.3.6 Replication .............................................................................................. 19
3.3.7 Clustering ............................................................................................... 24
4 SAN Design ......................................................................................................... 25
4.1 Implementation of Standards ............................................................................. 25
4.2 General Requirements and Recommendations ......................................................... 25
4.2.1 Quality of Service (QoS) .............................................................................. 26