IBM DS8880 Series, Introduction And Planning Manual

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Contents
About this book . . . . . . . . . . . v
Who should use this book . . . . . . . . . . v
Conventions and terminology . . . . . . . . v
Publications and related information . . . . . . v
IBM Publications Center . . . . . . . . . . ix
Sending comments . . . . . . . . . . . . x
Summary of changes . . . . . . . . . xi
Chapter 1. Overview . . . . . . . . . 1
Machine types overview . . . . . . . . . . 4
Hardware . . . . . . . . . . . . . . . 5
System types . . . . . . . . . . . . . 6
Storage enclosures . . . . . . . . . . . 21
Management console . . . . . . . . . . 22
Ethernet switches . . . . . . . . . . . 22
Processor nodes . . . . . . . . . . . . 22
I/O enclosures . . . . . . . . . . . . 22
Power . . . . . . . . . . . . . . . 23
Functional overview . . . . . . . . . . . 23
Logical configuration . . . . . . . . . . . 27
Logical configuration with DS8000 Storage
Management GUI .
. . . . . . . . . . 27
Logical configuration with DS CLI. . . . . . 29
RAID implementation . . . . . . . . . . 31
Logical subsystems . . . . . . . . . . . 33
Allocation methods . . . . . . . . . . . 33
Management interfaces . . . . . . . . . . 35
DS8000 Storage Management GUI . . . . . . 35
DS command-line interface . . . . . . . . 35
DS Open Application Programming Interface . . 36
RESTful API . . . . . . . . . . . . . 36
IBM Spectrum Control. . . . . . . . . . 37
IBM Copy Services Manager. . . . . . . . 37
DS8000 Storage Management GUI supported web
browsers .
. . . . . . . . . . . . . . 38
Chapter 2. Hardware features . . . . . 41
Storage complexes . . . . . . . . . . . . 46
Management console . . . . . . . . . . . 46
Hardware specifics . . . . . . . . . . . . 46
Storage system structure . . . . . . . . . 46
Disk drives and flash drives . . . . . . . . 47
Drive maintenance policy. . . . . . . . . 47
Host attachment overview . . . . . . . . 48
I/O load balancing . . . . . . . . . . . . 50
Storage consolidation . . . . . . . . . . . 50
Count key data . . . . . . . . . . . . . 51
Fixed block . . . . . . . . . . . . . . 51
T10 DIF support . . . . . . . . . . . . 51
Logical volumes . . . . . . . . . . . . . 52
Allocation, deletion, and modification of volumes 52
LUN calculation . . . . . . . . . . . . . 53
Extended address volumes for CKD . . . . . . 54
Quick initialization . . . . . . . . . . . . 55
Chapter 3. Data management features 57
Transparent cloud tiering . . . . . . . . . . 57
Dynamic volume expansion . . . . . . . . . 59
Count key data and fixed block volume deletion
prevention.
. . . . . . . . . . . . . . 59
Thin provisioning . . . . . . . . . . . . 59
Extent Space Efficient (ESE) capacity controls for
thin provisioning
. . . . . . . . . . . 60
IBM Easy Tier . . . . . . . . . . . . . 61
VMware vStorage API for Array Integration support 64
Performance for IBM Z
. . . . . . . . . . 66
Copy Services . . . . . . . . . . . . . 67
Disaster recovery through Copy Services . . . 76
Resource groups for Copy Services scope limiting 77
Comparison of Copy Services features . . . . . 79
I/O Priority Manager . . . . . . . . . . . 80
Securing data . . . . . . . . . . . . . . 81
Chapter 4. Planning the physical
configuration . . . . . . . . . . . . 83
Configuration controls . . . . . . . . . . . 83
Determining physical configuration features . . . 83
Management console features . . . . . . . . 84
Primary and secondary management consoles . . 84
Configuration rules for management consoles . . 85
Storage features . . . . . . . . . . . . . 85
Storage enclosures and drives . . . . . . . 85
Storage-enclosure fillers . . . . . . . . . 88
Device adapters and flash RAID adapters . . . 89
Drive cables . . . . . . . . . . . . . 89
Configuration rules for storage features . . . . 91
Physical and effective capacity . . . . . . . 93
I/O adapter features . . . . . . . . . . . 98
I/O enclosures . . . . . . . . . . . . 99
Fibre Channel (SCSI-FCP and FICON) host
adapters and cables.
. . . . . . . . . . 99
zHyperLink adapters and cables . . . . . . 101
Feature codes for Transparent cloud tiering
adapters .
. . . . . . . . . . . . . 102
Feature codes for flash RAID adapters . . . . 102
Configuration rules for I/O adapter features 103
Processor complex features . . . . . . . . . 108
Feature codes for processor licenses . . . . . 109
Processor memory features . . . . . . . . . 109
Feature codes for system memory . . . . . 109
Power features . . . . . . . . . . . . . 110
Power cords. . . . . . . . . . . . . 110
Input voltage . . . . . . . . . . . . 112
Direct-current uninterruptible-power supply . . 112
Configuration rules for power features . . . . 113
Other configuration features . . . . . . . . 113
Extended power line disturbance . . . . . . 113
BSMI certificate (Taiwan) . . . . . . . . 113
Shipping weight reduction . . . . . . . . 114
© Copyright IBM Corp. 2004, 2018
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