On Wed, Oct 18, 2000 at 05:17:42PM +0300, Dovydas Kulvinskas wrote:
> Dovydas Kulvinskas wrote:
> >
> > > I don't think so. The first tar command you show uses the rewind
> > > device. It does the first backup, then rewinds the tape. So the second
> > > command writes over the first backup. I don't think that's what you
> > > want. Rather, use the no rewind device for all the backups save the last.
> >
> Thank U
>
> this time I succeed:
> mt -f /dev/nht0 rewind
> tar cf /dev/nht0 /path1
> tar cf /dev/nht0 /path2
> mt -f /dev/nht0 rewind
> tar tvf /dev/nht0
> /path1
You might need an mt command here to position the head.
> tar tvf /dev/nht0
> ............ (nothing)
> tar tvf /dev/nht0
> /path2
>
> Guru says that's wrong couse between two volumes left two tablesets
> (its an end of the all writen data on tape) and should be one tableset.
> Is it true?
I am not sure what you mean by tablesets. If you mean, files on the tape,
yes, you get two files on the tape. I thought that was what you wanted. If
you want both directories in the same tar file on the tape, use tar to get
them both on the first command:
mt -f /dev/nht0 rewind
tar cf /dev/nht0 /path1 /path2
mt -f /dev/nht0 rewind
tar tvf /dev/nht0
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