IBM DS8882F, 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
Chapter 1. Overview . . . . . . . . . 1
Machine types overview . . . . . . . . . . 2
Hardware . . . . . . . . . . . . . . . 3
DS8882F (machine type 533x model 983) . . . . 4
High Performance Flash Enclosures Gen2 pair . . 6
Management enclosure . . . . . . . . . . 7
Processor nodes . . . . . . . . . . . . 7
I/O enclosure . . . . . . . . . . . . . 7
Power . . . . . . . . . . . . . . . 8
Functional overview . . . . . . . . . . . . 8
Logical configuration . . . . . . . . . . . 11
Logical configuration with DS8000 Storage
Management GUI .
. . . . . . . . . . 11
Logical configuration with DS CLI. . . . . . 13
RAID implementation . . . . . . . . . . 15
Logical subsystems . . . . . . . . . . . 17
Allocation methods . . . . . . . . . . . 17
Management interfaces . . . . . . . . . . 19
DS8000 Storage Management GUI . . . . . . 19
DS command-line interface . . . . . . . . 19
DS Open Application Programming Interface . . 20
RESTful API . . . . . . . . . . . . . 20
IBM Spectrum Control. . . . . . . . . . 21
IBM Copy Services Manager. . . . . . . . 21
DS8000 Storage Management GUI supported web
browsers .
. . . . . . . . . . . . . . 22
Chapter 2. Hardware features . . . . . 25
Storage complexes . . . . . . . . . . . . 27
Management console . . . . . . . . . . . 27
Hardware specifics . . . . . . . . . . . . 27
Storage system structure . . . . . . . . . 28
Flash drives . . . . . . . . . . . . . 28
Drive maintenance policy. . . . . . . . . 28
Host attachment overview . . . . . . . . 29
I/O load balancing . . . . . . . . . . . . 30
Storage consolidation . . . . . . . . . . . 30
Count key data . . . . . . . . . . . . . 31
Fixed block . . . . . . . . . . . . . . 31
T10 DIF support . . . . . . . . . . . . 31
Logical volumes . . . . . . . . . . . . . 32
Allocation, deletion, and modification of volumes 32
LUN calculation . . . . . . . . . . . . . 33
Extended address volumes for CKD . . . . . . 34
Quick initialization . . . . . . . . . . . . 35
Chapter 3. Data management features 37
Transparent cloud tiering . . . . . . . . . . 37
Dynamic volume expansion . . . . . . . . . 39
Count key data and fixed block volume deletion
prevention.
. . . . . . . . . . . . . . 39
Thin provisioning . . . . . . . . . . . . 39
Extent Space Efficient (ESE) capacity controls for
thin provisioning
. . . . . . . . . . . 40
IBM Easy Tier . . . . . . . . . . . . . 41
VMware vStorage API for Array Integration support 42
Performance for IBM Z
. . . . . . . . . . 43
Copy Services . . . . . . . . . . . . . 45
Disaster recovery through Copy Services . . . 54
Resource groups for Copy Services scope limiting 55
Comparison of Copy Services features . . . . . 57
I/O Priority Manager . . . . . . . . . . . 58
Securing data . . . . . . . . . . . . . . 59
Chapter 4. Planning the physical
configuration . . . . . . . . . . . . 61
Configuration controls . . . . . . . . . . . 61
Determining physical configuration features . . . 61
Management console features . . . . . . . . 62
Primary and secondary management consoles . . 62
Storage features . . . . . . . . . . . . . 63
Feature codes for drive sets . . . . . . . . 63
Storage-enclosure fillers . . . . . . . . . 63
Configuration rules for storage features . . . . 64
Physical and effective capacity . . . . . . . 64
I/O adapter features . . . . . . . . . . . 66
I/O enclosure . . . . . . . . . . . . 66
Feature codes for Flash RAID adapter pairs . . 67
Fibre Channel (SCSI-FCP and FICON) host
adapters and cables.
. . . . . . . . . . 67
Configuration rules for host adapters . . . . . 68
Processor complex features . . . . . . . . . 69
Feature codes for Transparent cloud tiering
adapters
. . . . . . . . . . . . . . 69
Feature codes for processor licenses . . . . . 69
Processor memory features . . . . . . . . . 70
Feature codes for system memory . . . . . . 70
Power features . . . . . . . . . . . . . 70
Power cords . . . . . . . . . . . . . 70
Input voltage . . . . . . . . . . . . . 74
Configuration rules for power features . . . . 74
Other configuration features . . . . . . . . . 74
BSMI certificate (Taiwan) . . . . . . . . . 75
Non-encryption certification key (China and
Russia) .
. . . . . . . . . . . . . . 75
Chapter 5. Planning use of licensed
functions . . . . . . . . . . . . . . 77
Licensed function indicators . . . . . . . . . 77
License scope . . . . . . . . . . . . . . 77
Ordering licensed functions . . . . . . . . . 78
Rules for ordering licensed functions . . . . . . 79
Base Function license . . . . . . . . . . . 80
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