Technical information

4 EqualLogic Configuration Guide | Version 15.2 | August 2014
Table of contents
1 Purpose ............................................................................................................................................................................................. 7
1.1 Dell statement of support .................................................................................................................................................. 7
1.2 General statement ............................................................................................................................................................... 7
1.3 Audience ................................................................................................................................................................................ 7
2 Policies and limitations ................................................................................................................................................................. 8
2.1 Policies for qualifying systems ......................................................................................................................................... 8
3 Related publications ..................................................................................................................................................................... 9
4 PS Series storage arrays .............................................................................................................................................................. 11
4.1 Array models ....................................................................................................................................................................... 11
4.2 PS Series supported configuration limits ..................................................................................................................... 13
4.3 Controller types in all models prior to PS4100/PS6100 ........................................................................................... 15
4.4 Controller types in PS4100/PS6100 models ...............................................................................................................16
4.5 Array model PS-M4110 .................................................................................................................................................... 17
4.5.1 Controller type in PS-M4110 model.............................................................................................................................. 17
4.5.2 Configuration options ...................................................................................................................................................... 17
4.5.3 Networking considerations and guidelines ................................................................................................................ 18
5 Controller firmware .................................................................................................................................................................... 20
5.1 About member firmware ................................................................................................................................................ 20
5.2 Firmware upgrade considerations ................................................................................................................................ 20
6 RAID policies ................................................................................................................................................................................. 22
7 Capacity planning ........................................................................................................................................................................ 23
7.1 RAID 6 drive layouts and total reported usable storage .......................................................................................... 23
7.2 RAID 10 drive layouts and total reported usable storage ........................................................................................ 26
7.3 RAID 50 drive layouts and total reported usable storage ........................................................................................ 28
7.4 RAID 5 drive layouts and total reported usable storage .......................................................................................... 30
7.5 Array RAID configurations and associated RAID sets ................................................................................................ 31
8 EqualLogic SAN design .............................................................................................................................................................. 33
8.1 General requirements ...................................................................................................................................................... 33
8.1.1 Implementation of standards......................................................................................................................................... 33
8.1.2 General requirements and recommendations .......................................................................................................... 34
8.1.3 Quality of service (QoS) .................................................................................................................................................. 35