Migrating data from a Windows 2000 or Windows Server 2003-based host
system . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Migrating data between storage units . . . . . . . . . . . . . . . . 138
Moving workloads when migrating data between storage units . . . . . . 138
Offloading workloads when migrating data between storage units . . . . . 138
Chapter 10. Disaster recovery using Copy Services . . . . . . . . . . 141
Performing failover and subsequent failback operations . . . . . . . . . 141
Moving production to Site B after planned outages (failover) . . . . . . . 141
Returning production to local site after planned outages . . . . . . . . 143
Moving production to Site B after unplanned outages (failover) . . . . . . 145
Using Global Mirror for disaster recovery . . . . . . . . . . . . . . . 146
Setting up your environment to use Global Mirror . . . . . . . . . . . 147
Using Global Mirror for a planned failover and failback . . . . . . . . . 148
Using Global Mirror for an unplanned failover and failback . . . . . . . 149
Recovering with and without the fast reverse restore feature . . . . . . . 151
Appendix. Troubleshooting . . . . . . . . . . . . . . . . . . . 153
Analyzing generic alert traps . . . . . . . . . . . . . . . . . . . 153
Analyzing service information messages (SIMs) for S/390 and zSeries systems 153
Understanding problem status designations . . . . . . . . . . . . . . 154
Managing product-specific alert traps . . . . . . . . . . . . . . . . 154
Obtaining services for a storage unit . . . . . . . . . . . . . . . . 155
Analyzing normal operation problems . . . . . . . . . . . . . . . . 155
Managing informational messages from the storage unit . . . . . . . . 156
Managing the storage unit error messages . . . . . . . . . . . . . 156
Accessibility . . . . . . . . . . . . . . . . . . . . . . . . . 159
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Terms and conditions for downloading and printing publications . . . . . . 162
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Electronic emission notices . . . . . . . . . . . . . . . . . . . . 164
Federal Communications Commission (FCC) statement . . . . . . . . 164
Industry Canada compliance statement . . . . . . . . . . . . . . 164
European community compliance statement . . . . . . . . . . . . . 164
Japanese Voluntary Control Council for Interference (VCCI) class A
statement . . . . . . . . . . . . . . . . . . . . . . . . 165
Korean Ministry of Information and Communication (MIC) statement . . . . 165
Taiwan class A compliance statement . . . . . . . . . . . . . . . 166
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . 167
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
vi DS8000 User’s Guide
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