Good point about NDMP, I haven't run into that before.  
All other times it was fairly straight forward, but I 
see your point.

Thanks Michael

Quoting Michael Wei <wei AT colltech DOT com>:

> 
> The problem with dd'ing Netbackup tapes is the block 
factor.  You have to
> use the corrct block factor when you dd to make an 
useable tape.  For
> non-NDMP tapes, it's fairly simple 'cause the first 
tape file is 2 blocks
> (1k) which is the tape lable, and the remaining tape 
files are all with
> block factor of 64 (32k block) if your backup server 
is on Solaris.
>
> For NDMP tapes however, the NDMP tape file has 
variable record size.
> I remember the first *record* of a NDMP backup image 
(tape file) is 2k (I
> could be a bit off here), and the remaining of the 
NDMP backup image has
> the
> block factor of 126 (63k record size).  Getting this 
right while dd'ing
> isn't that straigtforward.
>
> dd'ing Netbackup tape isn't as easy as it seems.
>
> --Mike
>
> > From veritas-bu-admin AT mailman.eng.auburn DOT edu  Mon 
Oct  9 14:51:08 2000
> > NetBackup only supports 2 copies.  The original and 
one
> > duplicate.
> >
> > An option if you care to use it is to simply dd the
> > duplicate tape.  NBU catalogs will not know about 
it,
> > but at least you have a third copy.
> >
> > Hope this helps,
> >
> > David Chapa
> >
> > Quoting "Buffington, Devon"
> > <Devon_Buffington AT AIMFUNDS DOT COM>:
> >
> > > Hello. I am trying to duplicate an image that I
> > already duplicated once. I
> > > keep getting an error that the image already has 
two
> > copies. Is there a
> > > command I can use that will reset this so I can
> > duplicate the image more
> > > than once? We are using Netbackup 3.2 and the 
master
> > is running on Solaris
> > > 2.6.
> > >
> > > Devon S. Buffington
> > > UNIX System Administrator
> > > AIM Management Group
> > > (w)713.214.7302/(p)800.516.0663
> > > UNIX is user friendly
> > > It's just picky about its friends
> > >
> > >
> >
> >
> >
> > 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > David A. Chapa                847 413 1144 p
> > Director of Technology        847 413 1168 f
> > DataStaff, Inc.               
http://www.datastaff.com
> > nbu-lserv AT datastaff DOT com       
majordomo AT datastaff DOT com
> > 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > _______________________________________________
> > Veritas-bu maillist  -  Veritas-
bu AT mailman.eng.auburn DOT edu
> > 
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-
bu
> >
>
>
> --
> Mike Wei       Collective Technologies, a Pencom 
Company
> Email: wei AT colltech DOT com
> 



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
David A. Chapa                847 413 1144 p
Director of Technology        847 413 1168 f
DataStaff, Inc.               http://www.datastaff.com
nbu-lserv AT datastaff DOT com       majordomo AT datastaff DOT com
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~