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14 Contents
Converting a disk group from shared to private ...................................424
Moving objects between disk groups ......................................................424
Splitting disk groups .................................................................................424
Joining disk groups ....................................................................................424
Changing the activation mode on a shared disk group ........................425
Setting the disk detach policy on a shared disk group ........................425
Setting the disk group failure policy on a shared disk group .............426
Creating volumes with exclusive open access by a node .....................426
Setting exclusive open access to a volume by a node ..........................426
Displaying the cluster protocol version .................................................427
Displaying the supported cluster protocol version range ...................427
Upgrading the cluster protocol version .................................................428
Recovering volumes in shared disk groups ...........................................428
Obtaining cluster performance statistics ..............................................428
Chapter 14 Administering
sites and remote mirrors
Configuring sites for hosts and disks .............................................................434
Configuring site-based allocation on a disk group .......................................434
Configuring site consistency on a disk group ...............................................435
Configuring site consistency on a volume .....................................................435
Setting the siteread policy on a volume .........................................................436
Site-based allocation of storage to volumes ..................................................436
Examples of storage allocation using sites ............................................438
Making an existing disk group site consistent ..............................................439
Fire drill — testing the configuration .............................................................440
Simulating site failure ..............................................................................440
Recovery from simulated site failure .....................................................440
Automatic site reattachment ...........................................................................440
Failure scenarios and recovery procedures ...................................................441
Recovery from a loss of site connectivity ..............................................442
Recovery from host failure ......................................................................442
Recovery from storage failure .................................................................442
Recovery from site failure ........................................................................443
Chapter 15 Using Storage Expert
About Storage Expert ........................................................................................445
How Storage Expert works ...............................................................................446
Before using Storage Expert ............................................................................446
Running Storage Expert ...................................................................................446
Discovering what a rule does ...................................................................447
Displaying rule attributes and their default values .............................447