Amanda-Users

Re: Recover from multiple dumps per day

2004-01-27 10:16:14
Subject: Re: Recover from multiple dumps per day
From: John Stange <building AT nap DOT edu>
To: amanda-users AT amanda DOT org
Date: Tue, 27 Jan 2004 10:12:42 -0500
> > We would like to be able to recover accidentally deleted files from
> > amanda backups that are made more than once per day, so I'm running
> > amdump from cron every 2 hours during working hours. This seems to work
> > fine with the file driver, and with 20 "tape" slots a full backup is
> > done at least once every 2 days.
> > 
> > The problem I'm having is that when I retrieve a file or directory,
> > amrecover doesn't seem to be able to access the most recent backup. I've
> > tried using the "setdate" command to both <today> and <tomorrow>, but it
> > only displays information about the last backup from <yesterday>. All
> > the man pages I've seen only list dates to the nearest day, but is it
> > possible to use a finer time resolution?
> 
> I think that could be considered a flaw in design.
> 
> Amanda was certainly designed around a model of one run a day,
> not multiple runs.  Nothing prevents multiple runs, but I think
> you are seeing the result of that design model.
> 
> Maybe someone has a workaround.  Though I've not heard of one.

I've noticed support for a 'datestamp_aux' field in the dump headers in places
in the code, but it doesn't seem to be fully support/implemented for some
reason.

-- 
John Stange, Systems Administrator
National Academies Press
202-334-3514

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