Bootable tapes are not supported on all systems and all drives - check the
btcreate man page or the Tru64 System Administration manual (available
online) for your OS level.

I usually boot an install CD and restore a vdump session from tape when I
loose a system disk.

"Rune Håland" <rhland1@frisurf.no> wrote in message
news:Gz69d.690$rh1.11747@news2.e.nsc.no...
> I performed a 'btcreate' backup on a Compaq 500au running tru 64 LCM v4.0
in
> an attempt to make an easy to use routine for harddisk replacement.
> In the manuals it all seemed so easy, perform backup using btcreate,
replace
> harddisk and just boot from tape to restore.
>
> The btcreate part of the process seemed to work, BUT:
> Trying to boot from tape (>>>boot -fl "nc" MKC500) I get the following
> response:
>     record 0 of mkc500.5.0.1004.0 is not a valid boot block, must be data
>     record too long (512 bytes expected
>     bootstrap failure
>
> Scanning newsgroups I found information that leads me to suspect that
> bootable tape is not supported on my system, is that correct?
>
> If so, is it possible to boot from another type of media (cdrom, floppy)
and
> then restore from the tape made by the btcreate command?
>
>

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