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3 Dell Storage PS Series Architecture: Load Balancers | TR1070
Table of contents
1 Introduction ................................................................................................................................................................... 5
2 PS Series overview ...................................................................................................................................................... 6
3 Why automatically balance SAN resources ................................................................................................................. 7
4 PS Series load balancers in PS Series storage pools ................................................................................................. 8
5 How the Network Load Balancer (NLB) works ............................................................................................................. 9
6 How the Capacity Load Balancer (CLB) works .......................................................................................................... 10
7 How the Automatic Performance Load Balancer (APLB) works ................................................................................ 12
8 Observing latencies and high I/O data ....................................................................................................................... 16
9 Tiering with the APLB ................................................................................................................................................. 17
10 Using the APLB with hybrid arrays ............................................................................................................................. 18
11 Scenarios in which APLB action is limited ................................................................................................................. 20
12 APLB and backup operations ..................................................................................................................................... 22
13 Disabling the APLB .................................................................................................................................................... 23
14 Summary .................................................................................................................................................................... 24
A Additional examples of APLB ..................................................................................................................................... 25
B Technical support and resources ............................................................................................................................... 28
B.1 Related documentation ..................................................................................................................................... 28