How does make_tape_recovery when booting from the tape?

[Randy Hagedorn]

I may need to increase the size of /stand for upgrading to UX 11.11. Can anyone tell me what happens when booting from a make_tape_recovery tape?

I am guessing that ignite will basicly wipe vg00 and reload it with the contents of the make_tape_recovery. Will information about other volume groups and logical volumes be recovered from the tape and bring us back - as is?

Thanks,
Dewy

[Pete Randall · Accepted solution]

Dewy,

Assumning the tape was made with the -I option, the recovery will be interactive and will appear much the same as an initial install - you get to reallocate all your root logical volumes. If -I was not used, the recovery is not interactive and the restore puts vg00 back like it was.

Pete

[Patrick Wallek]

Yes. When booting from a make_tape_recovery tape, you can increase your VG00 LVOL sizes, and the information that is on your VG00 disk(s) will be wiped clean.

Information about your other VGs (/dev/vg*, etc.) will be restored and your other VGs should be available after you are finished restoring your system from the make_tape_recovery tape.

Be aware that if your VG00 disks are mirrored, the mirroring will NOT be restored when using the tape. You will have to manually recreate your VG00 mirrors after you are done.

[Patrick Wallek]

A point of clarification to Pete's response -- If the '-I' option to make_tape_recovery was NOT used, there will be a 10 second window where you can "Press any key for an Interactive Installation" (or some similar message). When you do that, the install is interrupted and you can then make your changes.

If you do not press any key within that 10 second window, then VG00 will indeed be restored as-is.

I recommend to ALWAYS create your tapes with the '-I' option to make_tape_recovery.

[John Bolene]

I just use the default make_tape_recovery and I am able to interrupt the boot and make any space allocation changes.

When booting the tape it does give you a chance to interrupt it by waiting for a bit, something like stop me now or I'll continue in 15 seconds.

If you do interrupt it, it performs the restore just a bit differently in that it will not restore certain files like /etc/hosts and a few others. After the restore, you will need to ftp over a few files.

The other volume groups will be as they were before the restore unless you have messed with the drives that they were on during the reallocation.

[Pete Randall]

Thanks Patrick, I mis-understood that one.

Pete

[Randy Hagedorn]

Thanks for the quick replies, since I'm about to do this shortly.

The Forum is a wonderful resource!

Dewy

[Marek Bednarczyk]

Hi!

If you want you can make a recovery tape which contains any volume groups you have on your system. You can specify it with option:
-x inc_entire=vg_name
so to make full recovery use:

make_tape_recovery -A -x inc_entire=vg0 -x inc_entire=vg01 ...

And by the way - even if you do not specify -I option you will have some 10 seconds during boot to enter into interactive mode.

And as a last resort - if all this options are to difficult to remember you can simply start make_tape_recovery with -i option which gives tou similar to SAM interface. But this style is not kosher of course :-)

Marek