How do I "back out" of VxVM?

[Stuart Abramson_2]

We built a few VxVM DGs and File systems to try them out and now don't want to
use them.

How do I "backout" the VxVM stuff: DGs, Devices, etc.

I want to use ONLY LVM from now on.

I can just "deport" the DGs, but I want the devices to go back under control of
LVM.

I want the "rootdg" back also.

[Pete Randall]

Stuart,

The migration guide has a section on restoring LVM (page 38):

http://www.docs.hp.com/cgi-bin/fsearch/framedisplay?top=/hpux/onlinedocs/B7961-90017/B7961-90017_top.html&con=/hpux/onlinedocs/B7961-90017/00/00/1-con.html&toc=/hpux/onlinedocs/B7961-90017/00/00/1-toc.html&searchterms=Volume%7cManager%7c3.1%7cMigration%7cGuide%7cVeritas&queryid=20030926-071013


Pete

[Pete Randall]

Silly me - there's no page numbers! Under the "Converting LVM to VxVM" section, there's a subsection called "Restoring the LVM Volume Group Configuration". That should help, I think.


Pete

[Stuart Abramson_2]

No. I don't want to restore anything.

I just ran "vxinstall", vxenablef -a, and created a few VxVM Data Groups.

Now, I want to remove them. And put the disks back under control of LVM.

How do I do that?

[Pete Randall · Accepted solution]

Destroy a disk group: vxdg deport disk_group

then pvcreate.



Pete

[Stuart Abramson_2]

That's it?

Can I do that for "rootdg" also?

Stuart

[Pete Randall]

Stuart,

I believe that's all there is to it. As for rootdg, you'll obviously have to re-install after, but that should do it.


Pete

[Alzhy]

If you've rooted your OS -- meaning - did not use LVM for managing your OS disks then there should be a "recipe" for that in the manuals. However if you set up rootDG in a different disk and also have other diskgroups defined then:

touch /etc/vx/reconfig.d/state.d/install-db
reboot
and wipe out all configs on those disks previously used and proceed using them in LVM (pvcreate -f..., ).

or you can do - for each DG except rootDG:

umount the FS
vxdg destroy DG
and unsetup each disk used by the DG:
/etc/vx/bin/vxdiskunsetup cnTnDn