VERITAS Volume Manager 3.5 Migration Guide (August 2002)
Examples Final 24 July 2002
36 VERITAS Volume Manager Migration Guide
The plex dg08lv1-01 is associated with volume dg08lv1, and maps the entire address
range of the volume. Associated with the plex is one subdisk, dg0801-01 which maps the
plex addressrange from 0 tothe entire length of the plex, i.e. 102400 blocks. Asimplied by
the root of its name, the subdisk dg0801-01 uses an extent from the VxVM disk dg0801.
Example: VxVM to LVM rollback
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: 3
Rollback one or more LVM Volume Groups
Menu: VolumeManager/LVM_Conversion/Rollback_LVM_VG
Use this operationto rollback froma conversion ofan LVM Volume Group. This operation
will tear down the VxVM disk group and recreate the LVM volume group in its original
form. User data is untouched by rollback.
Caution If the VxVM configuration has changed since the conversion you should NOT
use this operation. See the section “Restoring the LVM Volume Group
Configuration” for more information.
More than one Volume Group or pattern may be entered at the prompt.
Here are some LVM Volume Group selection examples:
all: Rollback all converted LVM Volume Groups
listvg:list all LVM Volume Groups eligible for rollback
list: list all disk devices
vg_name:a single LVM Volume Group, named vg_name
<pattern>:for example vg08 vg09 vg05
Select Volume Group(s) to rollback :
[<pattern-list>,all,list,listvg,q,?]
vg08
Roll back this Volume Group? [y,n,q,?] (default: y)
Rolling back LVM configuration records for Volume Group vg08
Selected Volume Groups have been restored.
Hit RETURN to continue.