[Info-vax] strange backup behavior

AEF spamsink2001 at yahoo.com
Sat Aug 8 12:42:09 EDT 2009


On Aug 8, 9:07 am, sapienzaf <sapie... at noesys.com> wrote:
> On Aug 7, 11:55 pm, David J Dachtera <djesys... at spam.comcast.net>
> wrote:
>
> > The OP may be looking for info relating to "fast skip".
>
> I'm sure this is an emulation problem.
>
> He's running Charon-VAX which makes OpenVMS think the SDLT tape drive
> is a TK50.  I don't believe fast skip is an option for a TK50, and
> furthermore he's running VAX/VMS v7.1 which (IIRC) does not have the
> $SET MAGTAPE/FAST_SKIP command.

But the tape must be being rewound between each BACKUP save operation.
It appears that /VERIFY is not present. Perhaps he is MOUNT-ing and re-
MOUNT-ing between each BACKUP operation? We need to see his command
procedure.

To the OP: Why are you not using /IMAGE instead of /FAST [000000...]?
Why are you making both a journal file and listing file of each save
set?

AEF



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