Administrator Guide

Ready For Use................................................................................................................................................178
Linux Host Server Reboot Best Practices.............................................................................................................178
Important Information About Special Partitions...................................................................................................179
Limitations And Known Issues..............................................................................................................................179
Troubleshooting....................................................................................................................................................180
14 Configuring Asymmetric Logical Unit Access..................................................................181
ALUA Performance Considerations......................................................................................................................181
Automatic Transfer Of Ownership........................................................................................................................181
Native ALUA Support On Microsoft Windows And Linux.....................................................................................181
Enabling ALUA On VMware ESX/ESXi..................................................................................................................181
Manually Adding SATP Rule In ESX 4.1 (Update 1 And Update 2).................................................................181
Manually Adding SATP Rule In ESX/ESXi 5.0.................................................................................................182
Verifying ALUA On VMware ESX/ESXi.................................................................................................................182
Verifying If Host Server Is Using ALUA For MD Storage Array............................................................................182
Setting Round-Robin Load Balancing Policy On ESX/ESXi-Based Storage Arrays.............................................183
15 Premium Feature—Remote Replication............................................................................185
About Asynchronous Remote Replication............................................................................................................185
Remote Replicated Pairs And Replication Repositories.......................................................................................185
Types Of Remote Replication................................................................................................................................186
Differences Between Remote Replication Features......................................................................................186
Upgrading To Asynchronous Remote Replication From Remote Replication (Legacy).................................186
Remote Replication Requirements And Restrictions............................................................................................187
Restrictions On Using Remote Replication....................................................................................................187
Setting Up Remote Replication.............................................................................................................................187
Activating Remote Replication Premium Features...............................................................................................188
Deactivating Remote Replication.........................................................................................................................188
Remote Replication Groups..................................................................................................................................189
Purpose Of A Remote Replication Group.......................................................................................................189
Remote Replication Group Requirements And Guidelines.............................................................................189
Creating A Remote Replication Group...........................................................................................................189
Replicated Pairs....................................................................................................................................................190
Guidelines for Choosing Virtual Disks in a Replicated Pair............................................................................190
Guidelines For Choosing Virtual Disks In A Replicated Pair..........................................................................190
Creating Replicated Pairs...............................................................................................................................191
Removing A Replicated Pair From A Remote Replication Group...................................................................192
16 Premium Feature—Remote Replication (Legacy)...........................................................193
Overview...............................................................................................................................................................193
Switchable Host Access Configuration Required With Remote Replication (Legacy)........................................193
Activating Remote Replication (Legacy)...............................................................................................................194