Veritas Volume Manager 5.0.1 Troubleshooting Guide, HP-UX 11i v3, First Edition, November 2009

Recovering from copy-on-write failure ............................................. 39
Recovering from I/O errors during resynchronization ........................ 39
Recovering from I/O failure on a DCO volume ................................... 40
Chapter 3 Recovering from boot disk failure ................................... 41
VxVM and boot disk failure ............................................................ 41
Recovering a system by booting from a VxVM root disk mirror ............. 42
Recovering a system by booting from recovery media ......................... 42
Starting VxVM after booting from recovery media ....................... 43
Recovering the root volume after VxVM emergency startup ........... 44
Fixing a missing or corrupt /etc/vx/volboot file ........................... 45
Initiating VxVM Maintenance Mode Boot ......................................... 45
Recovery by reinstallation ............................................................. 46
Recovering a system with VxVM boot disk under native
multipathing ......................................................................... 47
Chapter 4 Logging commands and transactions ............................. 49
Command logs ............................................................................. 49
Transaction logs .......................................................................... 51
Association of command and transaction logs ................................... 53
Chapter 5 Backing up and restoring disk group
configurations ................................................................ 55
About disk group configuration backup ............................................ 55
Backing up a disk group configuration ............................................. 56
Restoring a disk group configuration ............................................... 57
Resolving conflicting backups for a disk group ............................ 59
Chapter 6 Error messages .................................................................... 61
About error messages ................................................................... 61
How error messages are logged ....................................................... 61
Configuring logging in the startup script .................................... 62
Types of messages ........................................................................ 63
Messages .............................................................................. 65
Index ................................................................................................................... 117
Contents8