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Dell PS Series Configuration Guide

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Dell PS Series Configuration Guide Dell PS Series Configuration Guide Abstract This configuration guide provides technical guidance for designing and implementing Dell™ PS Series storage solutions in iSCSI SAN environments. November 2019 Dell EMC Configuration and Deployment Guide Revisions Revisions Date Description November 2019 vVols branding update May 2018 Minor updates December 2016 Minor updates January 2016 Small text updates and additions of PS4210, PS6210, and PS6610 array August 2014 Table 31: 14-drive RAID policy added May 2014 Minor updates for PS6210. Added information for LLDP February 2014 Section 9.7, Vertical port failover behavior in PS6210 controllers. New information in 8.1.2 on how to ensure a secure network environment. New information for controller type 15 in Table 6. October 2013 Added Purpose, Policies and Limitations, General Statement, and Policies for qualifying systems. Eliminated redundant information that is available in other documents and provided links to that documentation. Added high-availability chapter. June 2013 Small text updates March 2013 Added section 13, Data Center Bridging. Added volume limits for synchronous replication in Table 4. Modified section 8.1.2 and section 8.2. Changed all references in tables in section 7 to read PS41x0 and PS61x0. Updated appendix B, PS Series upgrade paths. Updated the related publications. The information in this publication is provided “as is.” Dell Inc. makes no representations or warranties of any kind with respect to the information in this publication, and specifically disclaims implied warranties of merchantability or fitness for a particular purpose. Use, copying, and distribution of any software described in this publication requires an applicable software license. Copyright © 2013-2019 Dell Inc. or its subsidiaries. All Rights Reserved. Dell, EMC, Dell EMC and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners. [11/15/2019] [Configuration Guide] 2 Dell PS Series Configuration Guide Table of contents Table of contents 1 Purpose ........................................................................................................................................................................ 6 1.1 Dell EMC statement of support ........................................................................................................................... 6 1.2 General statement .............................................................................................................................................. 6 1.3 Audience ............................................................................................................................................................. 6 2 Policies and limitations ................................................................................................................................................. 7 2.1 Policies for qualifying systems ............................................................................................................................ 7 3 Related publications ..................................................................................................................................................... 8 4 PS Series storage arrays ........................................................................................................................................... 10 4.1 Array models ..................................................................................................................................................... 10 4.2 PS Series supported configuration limits .......................................................................................................... 12 4.3 Controller types in all models prior to PS4100/PS6100 ................................................................................... 15 4.4 Controller types in PS4100/PS6100 and later models ..................................................................................... 16 4.5 Array model PS-M4110 .................................................................................................................................... 18 4.5.1 Controller type in PS-M4110 model.................................................................................................................. 18 4.5.2 Configuration options ........................................................................................................................................ 18 4.5.3 Networking considerations and guidelines ....................................................................................................... 19 5 Controller firmware ..................................................................................................................................................... 20 5.1 About member firmware ................................................................................................................................... 20 5.2 Firmware upgrade considerations .................................................................................................................... 21 6 RAID policies .............................................................................................................................................................. 22 7 PS Series capacity ..................................................................................................................................................... 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 ..................................................................................... 32 8 PS Series SAN design ............................................................................................................................................... 34 8.1 General requirements ....................................................................................................................................... 34 8.1.1 Implementation of standards ............................................................................................................................ 34 8.1.2 General requirements and recommendations .................................................................................................. 35 8.1.3 Quality of service (QoS) ................................................................................................................................... 36 8.2 Ethernet switches and infrastructure ................................................................................................................ 37 8.2.1 Connecting SAN switches in a Layer 2 network ............................................................................................... 38 8.2.2 Sizing inter-switch connections ........................................................................................................................ 40 3 Dell PS Series Configuration Guide Table of contents 8.2.3 Comparing inter-switch connection types ......................................................................................................... 41 9 Building a high-availability SAN .................................................................................................................................. 43 9.1 Multi-path I/O .................................................................................................................................................... 43 9.1.1 PS Series MPIO requirements ......................................................................................................................... 44 9.1.2 PS Series MPIO general recommendations ..................................................................................................... 44 9.2 Redundant SAN configuration .......................................................................................................................... 44 9.3 Controller redundancy in all models ................................................................................................................. 45 9.4 Basic controller failover behavior in all models ................................................................................................ 46 9.4.1 Basic controller failover for models prior to PS4100/PS6100 .......................................................................... 46 9.4.2 Controller failover behavior for: PS42x0/PS41x0/PS62x0/PS61x0/PS6610 .................................................... 47 9.4.3 Failover behavior in the PS-M4110 .................................................................................................................. 48 9.5 Vertical port failover behavior in PS4100/PS6100 controllers .......................................................................... 48 9.6 Vertical port failover behavior in PS4110/PS6110 controllers .......................................................................... 51 9.7
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