VERITAS Volume Manager 4.1 Migration Guide

Contents
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3. Command Differences
LVM and VxVM Command Equivalents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Comparison of LVM and VxVM Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Tasks With No Direct LVM Equivalents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Existing Features in LVM not supported in VxVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
4. SAM and the VEA
Listing Disk Devices in SAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Listing Volume Groups and Disk Groups in SAM . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Listing Logical Volumes in SAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Analysis indicates that this volume group cannot be converted because not all of the
disks and/or volumes in the LVM volume group are currently accessible . . . . . . . . . . 77
Analysis shows that there is insufficient private space available to convert this volume
group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Device device_name has the following bad blocks... Cannot convert LVM Volume Group
78
The conversion process was unable to deactivate the volume group vol_grp_name . . 79
This Volume Group contains one or more logical volumes with mirrored data . . . . . . 79
Too many LVM Volumes to convert in this LVM Volume Group . . . . . . . . . . . . . . . . . . 80
vgchange: Couldn't deactivate volume group /dev/vol_grp . . . . . . . . . . . . . . . . . . . . . . 80
vxdiskadm or vxvmconvert is already being run and these programs cannot run
concurrently . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83