Veritas Volume Manager 5.1 SP1 Administrator"s Guide (5900-1506, April 2011)

Moving relocated subdisks using vxdiskadm .............................. 417
Moving relocated subdisks using vxassist ................................. 419
Moving relocated subdisks using vxunreloc ............................... 419
Restarting vxunreloc after errors ............................................ 421
Modifying the behavior of hot-relocation ........................................ 422
Chapter 13 Administering cluster functionality (CVM) ................... 425
Overview of clustering ................................................................. 425
Overview of cluster volume management .................................. 426
Private and shared disk groups ............................................... 428
Activation modes of shared disk groups .................................... 429
Connectivity policy of shared disk groups ................................. 431
Effect of disk connectivity on cluster reconfiguration .................. 436
Limitations of shared disk groups ............................................ 436
Multiple host failover configurations ............................................. 437
Import lock ......................................................................... 437
Failover .............................................................................. 437
Corruption of disk group configuration .................................... 438
About the cluster functionality of VxVM ......................................... 439
CVM initialization and configuration ............................................. 440
Cluster reconfiguration ......................................................... 441
Volume reconfiguration ......................................................... 443
Node shutdown .................................................................... 446
Cluster shutdown ................................................................. 447
Dirty region logging in cluster environments ................................... 448
How DRL works in a cluster environment .................................. 448
Administering VxVM in cluster environments ................................. 449
Requesting node status and discovering the master node ............. 449
Changing the CVM master manually ........................................ 450
Determining if a LUN is in a shareable disk group ....................... 453
Listing shared disk groups ..................................................... 454
Creating a shared disk group .................................................. 455
Importing disk groups as shared ............................................. 455
Handling cloned disks in a shared disk group ............................. 456
Converting a disk group from shared to private .......................... 457
Moving objects between shared disk groups .............................. 457
Splitting shared disk groups ................................................... 457
Joining shared disk groups ..................................................... 457
Changing the activation mode on a shared disk group ................. 458
Setting the disk detach policy on a shared disk group .................. 458
Setting the disk group failure policy on a shared disk group ......... 458
Creating volumes with exclusive open access by a node ............... 459
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