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Associated information

- Service Guard Commands
- Service Guard Files
- Setting Up Service Guard (outline)

Useful Links

1. Create the LV as normal on the active node. Ensure it is unmounted when complete

2. Shutdown the package affected using cmhaltpkg packge_name

3. vgexport -p -v -m /tmp/vg_name.map /dev/vg_name > /tmp/vg_devs

4. edit /tmp/vg_devs removing the first line

5. Copy the map file and vg_devs to the second node

   On the second node:

6. Note the minor number of the volume group affected

7. Remove the volume group using vgexport -v /dev/vg_name

8. mkdir /dev/vg_name and create group file with mknod using the minor number noted earlier.

9. vgimport -v -m /tmp/vg_name.map /dev/vg_name `cat /tmp/vg_devs`

10. check VG as follows:
    1. vgchange -a e /dev/vg_name
    2. vgdisplay -v /dev/vg_name
    3. vgcfgbackup /dev/vg_name
    4. vgchange -a n /dev/vg_name

11. If OK, edit package control script to add the new logical volume and copy to all nodes.