Re: Couple of questions regarding dar

Mihai Moldovan <[email protected]> Tue, 28 Apr 2020 00:59:34 +0200

Newsgroups	gmane.comp.sysutils.backup.dar.support
Message-ID	<[email protected]>

* On 4/28/20 12:31 AM, Nils Privat wrote:
> Can I use mbuffer for it? Is anything bad with this command?
> 
> dar --create - <..other options..> --fs-root /home/user1 | mbuffer -P 80 -m 2G
> -R 140M | dar_split split_output /dev/nst0

Nothing obviously wrong. One issue might be that pipes itself are already
buffered, but that probably won't cause trouble.

> 3) To encrypt my tape backups I currently use:
> --key aes256:PasswordInPainText
> I don't like writing the password in plain text. To automate the backup a manual
> input is not an option.
> Can 'dar' read the password from file?

This is mostly a non-issue. Since dar will take a password via stdin if not
provided on the command line, automation can be achieved by pairing it with
expect(1).

Mihai

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