Veritas Storage Foundation 5.1 SP1 Cluster File System Administrator"s Guide (5900-1738, April 2011)

Technical Support ............................................................................................... 4
Chapter 1 Technical overview of Storage Foundation Cluster
File System ..................................................................... 13
Storage Foundation Cluster File System architecture .......................... 13
About the symmetric architecture ............................................. 13
About Storage Foundation Cluster File System primary/secondary
failover .......................................................................... 14
About single-host file system semantics using Group Lock
Manager ......................................................................... 14
About Veritas File System features supported in cluster file
systems ................................................................................ 14
Veritas File System features in cluster file systems ...................... 15
Veritas File System features not in cluster file systems ................. 16
Storage Foundation Cluster File System benefits and
applications .......................................................................... 17
How Storage Foundation Cluster File System works ...................... 17
When to use Storage Foundation Cluster File System .................... 18
Chapter 2 Storage Foundation Cluster File System
architecture .................................................................... 21
About Storage Foundation Cluster File System and the Group Lock
Manager ............................................................................... 22
Storage Foundation Cluster File System namespace ............................ 22
About asymmetric mounts ............................................................. 22
Primary and secondary ................................................................. 23
Determining or moving primaryship ............................................... 24
Synchronize time on Cluster File Systems ......................................... 24
File system tunables ..................................................................... 24
Setting the number of parallel fsck threads ....................................... 24
About Storage Checkpoints ............................................................ 25
Storage Foundation Cluster File System backup strategies ................... 26
Parallel I/O ................................................................................. 27
I/O error handling policy ............................................................... 28
Recovering for I/O failures ............................................................. 28
Contents