Dell PS4100 Technical Information

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Dell EqualLogic
Configuration Guide
Dell Storage Infrastructure and Solutions
Configure unified block and file storage solutions based on EqualLogic PS
Series arrays and the FS Series Family of NAS Appliances.
Recommendations and best practices for iSCSI SAN and scale-out NAS
network fabric design.
Updated capacity guidelines, capabilities, limitations, and feature sets for
the EqualLogic product family.
Version 13.2 June 2012
Page view 0
1 2 3 4 5 6 ... 97 98

Summary of Contents

Page 1 - Configuration Guide

Dell EqualLogic Configuration Guide Dell Storage Infrastructure and Solutions  Configure unified block and file storage solutions based on

Page 2 - Abstract

June 2012 Dell EqualLogic Configuration Guide v13.2 4 Replication partners per group 16 16 Replication partners per volume 1 1 Members per grou

Page 3 - Revision History

June 2012 Dell EqualLogic Configuration Guide v13.2 5 Table 4 Array Controller Types – all models prior to PS4100/PS6100 Controller Type Faceplate

Page 4 - Table of contents

June 2012 Dell EqualLogic Configuration Guide v13.2 6 prevent volume connections between hosts and SAN from being dropped in the event of an active

Page 5

June 2012 Dell EqualLogic Configuration Guide v13.2 7 Figure 1 Partially Connected Controller Failover Note how IP addresses are reassigned to th

Page 6

June 2012 Dell EqualLogic Configuration Guide v13.2 8 Figure 2 Fully Connected Controller Failover

Page 7 - 1 Introduction

June 2012 Dell EqualLogic Configuration Guide v13.2 9 2.3.4 Controller Types in PS4100/PS6100 models The new controller types available in the PS4

Page 8 - 2 PS Series Storage Arrays

June 2012 Dell EqualLogic Configuration Guide v13.2 10 2.3.6 Controller failover behavior: PS41x0/PS61x0 In the event of a controller failure the

Page 9

June 2012 Dell EqualLogic Configuration Guide v13.2 11 2.3.7 Vertical Port Failover behavior in PS4100/PS6100 Controllers In PS Series controllers

Page 10

June 2012 Dell EqualLogic Configuration Guide v13.2 12 In a redundant switch SAN configuration, to optimize the system response in the event you ha

Page 11

June 2012 Dell EqualLogic Configuration Guide v13.2 13 Figure 7 PS6100 Vertical Port Failover Process and Optimal Connection Paths 2.3.8 Vertica

Page 12 - Active Controller

June 2012 Dell EqualLogic Configuration Guide v13.2 i Abstract This configuration guide provides technical guidance for designing and implementing D

Page 13 - Figure 2

June 2012 Dell EqualLogic Configuration Guide v13.2 14 Figure 8 4110/6110 Vertical Port Failover With the PS4110/PS6110 family of controllers, ve

Page 14

June 2012 Dell EqualLogic Configuration Guide v13.2 15 Figure 9 4110/6110 Vertical Port Failover Scenario 2.3.9 Controller Firmware Each EqualLo

Page 15

June 2012 Dell EqualLogic Configuration Guide v13.2 16 In addition to the Release Notes, the process for updating controller firmware is described

Page 16 - Scenarios: PS4100 and PS6100

June 2012 Dell EqualLogic Configuration Guide v13.2 17 Table 7 PS Series Firmware Compatibility Firmware V5.2.x Firmware V5.1.x Firmware V5.0.x F

Page 17

June 2012 Dell EqualLogic Configuration Guide v13.2 18 Table 8 shows the drive layouts that are enforced when using a RAID 5 policy based on the nu

Page 18

June 2012 Dell EqualLogic Configuration Guide v13.2 19 shows the drive layouts that are enforced based on the number of drives in each array/hot sp

Page 19

June 2012 Dell EqualLogic Configuration Guide v13.2 20 2.4.3 RAID 10 Drive Layouts and Total Usable Storage Using a RAID 10 policy, Table 10 shows

Page 20

June 2012 Dell EqualLogic Configuration Guide v13.2 21 2.4.4 RAID 50 Drive Layouts and Total Usable Storage Table 11 shows the drive layouts that

Page 21 - 2.3.9 Controller Firmware

June 2012 Dell EqualLogic Configuration Guide v13.2 22 3 PS Series Block Level Operations 3.1 Groups A PS Series SAN Group is a Storage Area Netw

Page 22

June 2012 Dell EqualLogic Configuration Guide v13.2 23 • If all members in the pool are running PS Series firmware v5.0 or later then you can mix

Page 23

June 2012 Dell EqualLogic Configuration Guide v13.2 ii Revision History Revision Date Changes 13.2 June 2012 Added PS Series Firmware Compatibilit

Page 24

June 2012 Dell EqualLogic Configuration Guide v13.2 24 • Do not mix arrays with different drive technologies (SATA, SAS, SSD) within a single pool

Page 25

June 2012 Dell EqualLogic Configuration Guide v13.2 25 Note: IQN names are assigned to volumes automatically when they are created. They cannot be

Page 26

June 2012 Dell EqualLogic Configuration Guide v13.2 26 • Use Pool Free Space, not Group Free Space when making all determinations of thin provisio

Page 27

June 2012 Dell EqualLogic Configuration Guide v13.2 27 • Snapshots of volumes with a high data change rate will require a larger snapshot reserve

Page 28 - 3.1 Groups

June 2012 Dell EqualLogic Configuration Guide v13.2 28 3.8 Replication Replication is a powerful feature that can help you manage and implement a

Page 29

June 2012 Dell EqualLogic Configuration Guide v13.2 29 3.8.2 Replication Paths The example replication paths shown in Figure 11 are described belo

Page 30 - 3.3 Volumes

June 2012 Dell EqualLogic Configuration Guide v13.2 30 Volume Replica Set A full copy of the primary volume, with data synchronized to the beginni

Page 31 - 3.4 Thin Provisioning

June 2012 Dell EqualLogic Configuration Guide v13.2 31 Figure 12 Replication Process

Page 32 - 3.5 Snapshots

June 2012 Dell EqualLogic Configuration Guide v13.2 32 With replication, it does not matter if the volume is thin-provisioned or uses a traditional

Page 33 - 3.6 Clones

June 2012 Dell EqualLogic Configuration Guide v13.2 33 Figure 13 Replica Reserve, Local Reserve, and Delegated Space Auto-replication requires res

Page 34 - 3.8 Replication

June 2012 Dell EqualLogic Configuration Guide v13.2 iii Table of contents 1 Introduction ...

Page 35 - 3.8.3 Replication Process

June 2012 Dell EqualLogic Configuration Guide v13.2 34 Table 14 Replication Space Sizing Guidelines Replication Space Recommended Value Space Effi

Page 36 - Replica Set

June 2012 Dell EqualLogic Configuration Guide v13.2 35 Table 15 Firmware Replication Compatibility Firmware of “Local” Group Firmware on Replicat

Page 37

June 2012 Dell EqualLogic Configuration Guide v13.2 36 4 EqualLogic SAN Design An EqualLogic iSCSI SAN can be operated in any network that support

Page 38 - 3.8.4 Fast failback

June 2012 Dell EqualLogic Configuration Guide v13.2 37 Note: Hosts can be in a different subnet as long as those hosts have layer 3 routing availab

Page 39

June 2012 Dell EqualLogic Configuration Guide v13.2 38 • For best performance and reliability, we recommend that all interconnection paths between

Page 40

June 2012 Dell EqualLogic Configuration Guide v13.2 39 clustered storage traffic patterns used by the EqualLogic SAN architecture, switches that su

Page 41 - 3.9 Clustering

June 2012 Dell EqualLogic Configuration Guide v13.2 40 fabric. Figure 14 shows the two common methods for interconnecting switches, using either st

Page 42 - 4 EqualLogic SAN Design

June 2012 Dell EqualLogic Configuration Guide v13.2 41 Table 16 Link Aggregation Types Link Aggregation Type Notes Static Static link aggregation

Page 43

June 2012 Dell EqualLogic Configuration Guide v13.2 42 Figure 15 Using a LAG to Interconnect Switch Stacks 4.3.2 Sizing Inter-Switch Connections

Page 44

June 2012 Dell EqualLogic Configuration Guide v13.2 43 Table 18 Stacking vs. Inter-Switch Trunking Interconnect Type Primary Purpose Analysis St

Page 45

June 2012 Dell EqualLogic Configuration Guide v13.2 iv 3.8.2 Replication Paths ...

Page 46

June 2012 Dell EqualLogic Configuration Guide v13.2 44 Table 19 Redundant Server NIC Configurations LOM NIC Installed NIC 1 Installed NIC 2 NIC C

Page 47

June 2012 Dell EqualLogic Configuration Guide v13.2 45 Figure 17 Redundant NIC Connections from Server to SAN using two installed PCI-E NICs 4.4.2

Page 48

June 2012 Dell EqualLogic Configuration Guide v13.2 46 4.4.2.3 Configuring Microsoft Windows MPIO Configure Microsoft Windows MPIO with the follow

Page 49

June 2012 Dell EqualLogic Configuration Guide v13.2 47 • A minimal number of switches will be illustrated to allow for the design concept to be un

Page 50

June 2012 Dell EqualLogic Configuration Guide v13.2 48 Figure 19 Redundant SAN Connection Paths: PS4100 Figure 20 Redundant SAN Connection Paths

Page 51 - 4.4.2 Multi-Path I/O

June 2012 Dell EqualLogic Configuration Guide v13.2 49 PS6000 family controllers and PS4100/PS610 family controllers. They are not recommended for

Page 52

June 2012 Dell EqualLogic Configuration Guide v13.2 50 Table 21 Dual Controller Array Configurations Single NIC Single Switch Dual Controller Si

Page 53

June 2012 Dell EqualLogic Configuration Guide v13.2 51 Figure 21 Minimum Cabling Scenario: PS4100 Note: The example configurations shown in this

Page 54

June 2012 Dell EqualLogic Configuration Guide v13.2 52 Figure 22 Minimum Cabling Scenario: PS6100 4.6 Integrating 1GbE and 10GbE SANs With the i

Page 55

June 2012 Dell EqualLogic Configuration Guide v13.2 53 4.6.1 Design considerations To properly implement a mixed speed SAN, you must pay close att

Page 56

June 2012 Dell EqualLogic Configuration Guide v13.2 v 5.3.1 FS7500 Supported Configuration Limits ...

Page 57

June 2012 Dell EqualLogic Configuration Guide v13.2 54 Figure 23 Mixed speed redundant SAN using split interconnect between 1Gb and 10Gb switches

Page 58 - Arrays:

June 2012 Dell EqualLogic Configuration Guide v13.2 55 Figure 24 Mixed speed redundant SAN using straight interconnect between 1Gb and 10Gb switch

Page 59 - 4.6.1 Design considerations

June 2012 Dell EqualLogic Configuration Guide v13.2 56 associated with different interfaces on a given blade server as described in Table 22. Each

Page 60

June 2012 Dell EqualLogic Configuration Guide v13.2 57 • Creating an external SAN switch infrastructure to host all array connections and using th

Page 61

June 2012 Dell EqualLogic Configuration Guide v13.2 58 be interconnected. Since the IO modules are not interconnected via the chassis midplane, the

Page 62

June 2012 Dell EqualLogic Configuration Guide v13.2 59 Placing the blade IO modules in the same fabric does remove one aspect of high availability

Page 63

June 2012 Dell EqualLogic Configuration Guide v13.2 60 Table 26 Single M1000e Enclosure Stacking Dual Fabric Dual Fabric Stacked Configuration Ad

Page 64

June 2012 Dell EqualLogic Configuration Guide v13.2 61 Table 27 Single Enclosure Link Aggregation Single Fabric Single Fabric Non-Stacked Configur

Page 65

June 2012 Dell EqualLogic Configuration Guide v13.2 62 The 10GbE PowerConnect M-Series IO Modules do not provide a dedicated stacking interface and

Page 66

June 2012 Dell EqualLogic Configuration Guide v13.2 63 Table 29 Single Stack Multiple M1000e Enclosure Direct Connect SAN Single Stacked, Multiple

Page 67

June 2012 Dell EqualLogic Configuration Guide v13.2 1 1 Introduction With the Dell™ EqualLogic™ PS Series of storage arrays Dell provides a storag

Page 68

June 2012 Dell EqualLogic Configuration Guide v13.2 64 Table 30 Non-Stacked, Multiple M1000e Enclosure Direct Connect SAN Non-Stacked, Multiple M

Page 69

June 2012 Dell EqualLogic Configuration Guide v13.2 65 4.7.2 Designing a SAN using Blade Chassis IO Modules as Host Access to External Switches fo

Page 70

June 2012 Dell EqualLogic Configuration Guide v13.2 66 Table 31 Connecting M1000e to Stacked External Switch Infrastructure Connecting M1000e to S

Page 71

June 2012 Dell EqualLogic Configuration Guide v13.2 67 Table 32 Connecting M1000e to Non-Stacked External Switch Infrastructure Connecting M1000e

Page 72

June 2012 Dell EqualLogic Configuration Guide v13.2 68 Table 33 Dual M-Series Stacks to Stacked External Switch Infrastructure M-Series IO Module

Page 73

June 2012 Dell EqualLogic Configuration Guide v13.2 69 Table 34 M-Series IO Module Stack(s) to Non-Stacked External Switch Infrastructure M-Series

Page 74

June 2012 Dell EqualLogic Configuration Guide v13.2 70 4.7.3 M-Series Pass-Through Modules Pass-Through modules are supported for use with EqualLo

Page 75

June 2012 Dell EqualLogic Configuration Guide v13.2 71 5 FS Series NAS Appliance The Dell EqualLogic FS7500 adds scale-out unified file and block

Page 76

June 2012 Dell EqualLogic Configuration Guide v13.2 72 Figure 26 FS 7500 Unified Storage Architecture 5.1.1 FS Series solution for file only sto

Page 77 - 5 FS Series NAS Appliance

June 2012 Dell EqualLogic Configuration Guide v13.2 73 Figure 27 FS Series NAS (file only) 5.2 Dell FluidFS Dell FluidFS3 is a high performance c

Page 78

June 2012 Dell EqualLogic Configuration Guide v13.2 2 2 PS Series Storage Arrays PS Series Storage SANs provide a peer storage architecture compri

Page 79 - 5.2 Dell FluidFS

June 2012 Dell EqualLogic Configuration Guide v13.2 74 Snapshots: FluidFS snapshots are read only and redirect-on-write. They are created and manag

Page 80 - 5.3 FS Series Models

June 2012 Dell EqualLogic Configuration Guide v13.2 75 Table 37 Features and Supported Configuration Limits Feature/Limit FS7500 Specification Pr

Page 81

June 2012 Dell EqualLogic Configuration Guide v13.2 76 5.3.2 FS7500 System Components The system components in the initial release of the EqualLog

Page 82

June 2012 Dell EqualLogic Configuration Guide v13.2 77 triggers all I/O normally written to the mirror cache to be written to a journal file instea

Page 83

June 2012 Dell EqualLogic Configuration Guide v13.2 78 6 FS Series File Level Operations In this section we provide an overview of key FS Series A

Page 84 - 6.2 NAS Reserve

June 2012 Dell EqualLogic Configuration Guide v13.2 79 Figure 29 Containment Model: PS Series Storage and FS Series NAS Reserve The addition of t

Page 85 - 6.3 NAS File Systems

June 2012 Dell EqualLogic Configuration Guide v13.2 80 Figure 30 Containment Model: FS Series NAS Reserve, File Systems, Shares and Exports 6.3.1

Page 86

June 2012 Dell EqualLogic Configuration Guide v13.2 81 Referring to File System 1 in Figure 30, you could assign any of the three file system secur

Page 87 - 6.4 File System Snapshots

June 2012 Dell EqualLogic Configuration Guide v13.2 82 • Snapshot reserve space utilization is a function of the data change rate in the file syst

Page 88

June 2012 Dell EqualLogic Configuration Guide v13.2 83 7 FS Series NAS Configuration In Section 5.1 we presented a high level view of the FS7500 N

Page 89 - 7.1 FS7500 Connection Paths

June 2012 Dell EqualLogic Configuration Guide v13.2 3 Table 2 PS4100/PS6100 Array Models Array Model Drive Type Number of Drives PS4100E 3.5” SAS

Page 90

June 2012 Dell EqualLogic Configuration Guide v13.2 84 Figure 31 Connection Paths for FS7500 Client LAN Figure 32 below shows the iSCSI SAN, IPMI

Page 91

June 2012 Dell EqualLogic Configuration Guide v13.2 85 Figure 32 Connection Paths for FS7500 iSCSI SAN, IPMI and Controller Interconnect

Page 92

June 2012 Dell EqualLogic Configuration Guide v13.2 86 Appendix A Network Ports and Protocols PS Series groups use a number of TCP and UDP protoco

Page 93

June 2012 Dell EqualLogic Configuration Guide v13.2 87 EqualLogic Diagnostics TCP 20 FTP Software update and diagnostic procedures; to all indiv

Page 94

June 2012 Dell EqualLogic Configuration Guide v13.2 88 Appendix B Recommended Switches The list of recommended switches is now maintained in a sep

Page 95

June 2012 Dell EqualLogic Configuration Guide v13.2 89 Appendix C Supported iSCSI Initiators The list of supported iSCSI initiators is now maintai

Page 96 - Related Publications

June 2012 Dell EqualLogic Configuration Guide v13.2 90 Related Publications The following publications provide additional background and technical

Page 97

June 2012 Dell EqualLogic Configuration Guide v13.2 91 Dell Reference Architecture Sizing and Best Practices for Microsoft Exchange Server 2007 in

Page 98

THIS WHITE PAPER IS FOR INFORMATIONAL PURPOSES ONLY, AND MAY CONTAIN TYPOGRAPHICAL ERRORS AND TECHN

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