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IBM TotalStorage DS8000 User Manual

IBM TotalStorage DS8000
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Contents
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix
About this guide . . . . . . . . . . . . . . . . . . . . . . . .xi
Safety and environmental notices . . . . . . . . . . . . . . . . . xiii
Safety notices . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Environmental notices . . . . . . . . . . . . . . . . . . . . . . xiii
Product recycling . . . . . . . . . . . . . . . . . . . . . . . xiii
Disposing of products . . . . . . . . . . . . . . . . . . . . . xiii
Conventions used in this guide . . . . . . . . . . . . . . . . . . . xiii
Related information . . . . . . . . . . . . . . . . . . . . . . . xiv
DS8000 series library . . . . . . . . . . . . . . . . . . . . . xiv
Other IBM publications . . . . . . . . . . . . . . . . . . . . .xv
Ordering IBM publications . . . . . . . . . . . . . . . . . . . .xx
Web sites . . . . . . . . . . . . . . . . . . . . . . . . . . .xx
How to send your comments . . . . . . . . . . . . . . . . . . . . xxi
Summary of Changes for SC26-7623-03 IBM TotalStorage DS8000 User’s
Guide . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
Chapter 1. Introduction to IBM TotalStorage DS8000 series . . . . . . .1
DS8000 models . . . . . . . . . . . . . . . . . . . . . . . . .1
DS8100 (Model 921) . . . . . . . . . . . . . . . . . . . . . . .4
DS8300 (Models 922 and 9A2) . . . . . . . . . . . . . . . . . . .5
Model comparison . . . . . . . . . . . . . . . . . . . . . . . .5
DS8000 physical footprint . . . . . . . . . . . . . . . . . . . . .6
DS8000 performance features . . . . . . . . . . . . . . . . . . . .8
Interfaces of the DS8000 . . . . . . . . . . . . . . . . . . . . .8
IBM TotalStorage DS Storage Manager . . . . . . . . . . . . . . .9
DS command-line interface . . . . . . . . . . . . . . . . . . . .9
DS Open application programming interface . . . . . . . . . . . . .9
DS8000 hardware specifics . . . . . . . . . . . . . . . . . . . .10
Storage unit structure . . . . . . . . . . . . . . . . . . . . .10
IBM TotalStorage Management Console . . . . . . . . . . . . . . .11
Host systems that the storage unit supports . . . . . . . . . . . . .11
Processor memory . . . . . . . . . . . . . . . . . . . . . .15
Data management features . . . . . . . . . . . . . . . . . . . .15
RAID . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Arrays across loops . . . . . . . . . . . . . . . . . . . . . .15
Storage System LPARs (logical partitions) . . . . . . . . . . . . . .15
Copy Services . . . . . . . . . . . . . . . . . . . . . . . .16
FlashCopy . . . . . . . . . . . . . . . . . . . . . . . . .18
Disaster recovery using Copy Services . . . . . . . . . . . . . . .19
Comparison of licensed functions . . . . . . . . . . . . . . . . .20
Parallel Access Volumes . . . . . . . . . . . . . . . . . . . .21
DS8000 limitations . . . . . . . . . . . . . . . . . . . . . . .21
Planning data migration . . . . . . . . . . . . . . . . . . . . . .22
How to select a data migration method . . . . . . . . . . . . . . .22
Chapter 2. Installing the DS8000 Storage Manager interface . . . . . . .25
© Copyright IBM Corp. 2004, 2005 iii

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IBM TotalStorage DS8000 Specifications

General IconGeneral
BrandIBM
ModelTotalStorage DS8000
CategoryStorage
LanguageEnglish

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