HP OpenVMS Systems

ask the wizard
Content starts here

Basic BACKUP Operations?

» close window

The Question is:

$mount/over=id mkc400
$ copy *.* mkc400:[000000]*.*
I need to achieve the same results using VMS backup i.e files not in a saveset
 on the tape, is this possible?

The Answer is :

  The OpenVMS Wizard does not understand the question -- the question
  is sufficiently terse as to be quite ambiguous.
  For example, your COPY command can easily result in multiple copies
  of the same file on the same tape either due to a searchlist logical
  name or due to the sequence of COPY operations -- things can get rather
  interesting when accessing the later copies of the files.
  As for the typical use and operation of BACKUP, you will want to review
  the incremental and full BACKUP operations, and the available BACKUP
  command documentation.  In particular, you will want to identify an
  appropriate BACKUP strategy as outlined in the BACKUP manual, and then
  use the BACKUP commands referenced in the manual to implement the
  If you want to identify the files present in a saveset, you would have
  to use a listing of the saveset or use the BACKUP/JOURNAL journal file
  mechanism.  (BACKUP is generally assumed to cycle through multiple
  output storage media or through multiple output files, as updating the
  BACKUP saveset archive media or saveset files in place risks corruptions.)

answer written or last revised on ( 27-NOV-2001 )

» close window