VERITAS Volume Manager 3.5 Migration Guide (August 2002)

Chapter 2, Converting LVM to VxVM
Final 24 July 2002 Examples
29
Analysis of vg08 found insufficient Private Space for conversion
SMALLEST VGRA space= 176
RESERVED space sectors = 78
PRIVATE SPACE/FREE sectors = 98
AVAILABLE sector space = 49
AVAILABLE sector bytes = 50176
RECORDS neededs to convert = 399
MAXIMUM records allowable= 392
The smallest disk in the Volume Group (vg08) does not have
sufficient private space for the conversion to succeed. There is
only enough private space for 392 VM Database records and the
conversion of Volume Group (vg08) would require enough space to
allow 399 VxVM Database records. This would roughly translate to
needing an additional 896 bytes available in the private space.
This can be accomplished by reducing the number of volumes in
the (vg08) Volume Group, and allowing that for every volume
removed, the number of Database records required would be
reducedbythree.Thisisonlyaroughapproximation,however.
Hit RETURN to continue.
Example: converting LVM volume groups to VxVM disk groups
To convert LVM volume groups to VxVM disk groups:
# vxvmconvert
Volume Manager Support Operations
Menu: VolumeManager/LVM_Conversion
1 Analyze LVM Volume Groups for Conversion
2 Convert LVM Volume Groups to VxVM
3 Roll back from VxVM to LVM
list List disk information
listvg List LVM Volume Group information
? Display help about menu
?? Display help about the menuing system
q Exit from menus
Select an operation to perform: 2
Convert one or more LVM Volume Groups
Menu: VolumeManager/LVM_Conversion/Convert_LVM_VGs
Use this operation to convert one or more LVM Volume Groups to one
or more VxVM disk groups. This adds the disks to a disk group
and replaces existing partitions with volumes. LVM-VxVM Volume