Converting HFS root filesystems to VXFS

[BOUR]

Due to a mistake, all Filesytems of the root volume group have been created in HFS (HPUX 11.00). How can I, without an Ignite tape, convert this FS in VXFS ?

[Bruce Regittko_1 · Accepted solution]

Hi,

Basically, you can't, short of backing up the data and using newfs to recreate the filesystem and then recovering the data. There is no "hfs -> vxfs" command.

--Bruce

[BOUR]

Thank you for the quick answer. I have though that fsadm could perhaps do this convert, but if there is'nt any command, I will create new FS and then use the Ignite tape to recover the data......

[CHRIS_ANORUO]

Hi BOUR,

There is no tool that I know of to convert directly, but what I have done in the past is using the steps outlined:

1. Backup all the data from the filesystems involved
2. Copy /etc/fstab to /etc/fstab.old, change hfs to vxfs in /etc/fstab file
3. Reboot the system to single user mode (thereby unmounting the filesystems)
4. Run newfs -F vxfs /dev/vg00/rlvoln
5. Run fsck -F vxfs /dev/vg00/lvoln
6. mount /dev/vg00/lvoln
7. fstyp /dev/vg00/lvoln (TO confirm tat the filesystem is now vxfs)
8. Restore from backup
9. Reboot the system

This will help. Happy New Year!

[BOUR]

Thank you and happy new year too !!

[Rob Mallard]

There is only one way to convert the root file system from hfs to vxfs without a cold install. You will need to install Ignite-ux and use the make_recovery utility to make an image of the system on to tape. Then boot of the system from the tape and interupt the unattended recovery (you will prompted for ten seconds to interupt) You then be able to use a Install Screen tue interface to can system characterists, like FS type.

Re-post if you need more info

[Bruce Regittko_1]

Hi,

As Rob says, you can create a bootable tape with make_recovery. If you use the -i option, it will always present you with the interactive menus and you won't miss the 10 second window.

--Bruce

[Rob Mallard]

Good point Bruce.

The problem with the -i option is it is not available on the older version of Ignite that is on the 11.00 CD. The newer version is available free for download at

http://www.software.hp.com/products/IUX/index.html