Dell PS4100 Technical Information download pdf (Page 4)

June 2012 Dell EqualLogic Configuration Guide v13.2 iii

Table of contents

Introduction ........................................................................................................................................................ 1

1.1 Audience ...................................................................................................................................................... 1

2 PS Series Storage Arrays ................................................................................................................................... 2

2.1 Array Models ............................................................................................................................................... 2

2.2 PS Series Supported Configuration Limits ............................................................................................ 3

2.3 PS Series Storage Array Controllers ....................................................................................................... 4

2.3.1 Controller Types in all models prior to PS4100/PS6100 ............................................................ 4

2.3.2 Controller Redundancy in all models prior to PS4100/PS6100 ................................................ 5

2.3.3 Controller Failover behavior in all models prior to PS4100/PS6100 ....................................... 6

2.3.4 Controller Types in PS4100/PS6100 models ............................................................................... 9

2.3.5 Controller Redundancy in PS4100/PS6100 controllers ............................................................. 9

2.3.6 Controller failover behavior: PS41x0/PS61x0 ............................................................................ 10

2.3.7 Vertical Port Failover behavior in PS4100/PS6100 Controllers ............................................... 11

2.3.8 Vertical Port Failover behavior in PS4110/PS6110 Controllers .................................................13

2.3.9 Controller Firmware ......................................................................................................................... 15

2.4 RAID Policies and Sizing Tables ............................................................................................................. 17

2.4.1 RAID 5 Drive Layouts and Total Usable Storage ......................................................................... 17

2.4.2 RAID 6 Drive Layouts and Total Usable Storage ........................................................................ 18

2.4.3 RAID 10 Drive Layouts and Total Usable Storage ...................................................................... 20

2.4.4 RAID 50 Drive Layouts and Total Usable Storage .......................................................................21

3 PS Series Block Level Operations ................................................................................................................. 22

3.1 Groups ....................................................................................................................................................... 22

3.2 Pools .......................................................................................................................................................... 22

3.3 Volumes .................................................................................................................................................... 24

3.3.1 Volume Attributes ............................................................................................................................ 24

3.3.2 Volume Features .............................................................................................................................. 25

3.4 Thin Provisioning ..................................................................................................................................... 25

3.5 Snapshots.................................................................................................................................................. 26

3.6 Clones ....................................................................................................................................................... 27

3.7 Template volumes and thin clones ...................................................................................................... 27

3.8 Replication ................................................................................................................................................ 28

3.8.1 Replication Limits ............................................................................................................................ 28

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