Hi Again
Thus continue and labelling DailySet101 - 110 as So far, to Dailyset
122 Thus end of each month pull that tape and carry on as usual.
Thus as I started the backup with tape DailySet102 for tuesday as I want
DailySet101 for first week monday. Have I got to edit the tapelist
accordingly.
Do I just
On Tue, 2005-06-14 at 10:24 -0400, Jon LaBadie wrote:
> On Tue, Jun 14, 2005 at 02:03:19PM +0100, Chuck Amadi Systems Administrator
> wrote:
> > Hi Great
> >
> > Yes I am going to use 10 tapes in total and reuse the first tape after
> > 10 week days worth of backups.
> >
> > Thus is it fine to pull the last Friday tape at the end of the Month for
> > archiving and then re-label the tape I pulled.
> >
> >
> > On Tue, 2005-06-14 at 08:21 -0400, Jon LaBadie wrote:
> > > On Tue, Jun 14, 2005 at 12:45:07PM +0100, Chuck Amadi Systems
> > > Administrator wrote:
> > > > Hi I have 10 dat tapes that I will run per my cycle 5 per 5 day week.
> > > > Thus every fortnight.
> > > > I am correctly concluding I need only a tapecycle of 10 tapes
> > > > I hope to pull out the last Friday tape in that Month to archive and
> > > > thus label another tape to replace it.
> > > >
> > > > Here's my config file.
> > > >
> > > > dumpcycle 0 weeks # the number of days in the normal dump cycle
> > > > runspercycle 1 # the number of amdump runs in dumpcycle days
> > > > # (4 weeks * 5 amdump runs per week -- just
> > > > weekdays)
> > > > tapecycle 10 tapes # the number of tapes in rotation
> > > > # 4 weeks (dumpcycle) times 5 tapes per week
> > > > (just
> > > > # the weekdays) plus a few to handle errors that
> > > >
> > >
> > > Think of tapecycle as how many "different" tapes amanda must use
> > > before it will reuse the first one. In your setup, it looks like
> > > full backups every run, tapecycle is as critical as a setup doing
> > > mixed full and incrementals. Set it to whatever you want, or are
> > > comfortable, having amanda not overwrite before being allowed to
> > > reuse. If you want the last 10 full dumps to be sure to be around,
> > > then set it to 10. If the last 5 is comfortable, you can set it
> > > to 5, but still use 10 tapes. Amanda will only check that at least
> > > 5 are still the most recent.
>
>
> I just want to make certain I'm not confusing
> your intent because of terminology.
>
> You want to "pull" the monthly tape and
> "relabel the tape you pulled".
>
> That second part (relabelling) is a different tape,
> right? If so, it is not "relabelling" but just
> an initial label for that tape.
>
> Now, if you mean to use the same label as the one
> pulled, think twice. Amanda keeps indexes of what
> is on a tape. If you use the same label as the
> pulled tape, then you will soon lose the index
> for the pulled tape (when the new tape is used).
>
> Instead, when you pull a tape, mark it a "no-reuse".
> The index will be retained. But the new tape will
> need to have a different label.
>
> In fact, you could label up 22 tapes, 10 for cycling,
> 12 in anticipation of pulling monthly for a year.
> Your tapecycle could be set to 10, and you could
> cycle through your first 10, or all 22. Amanda will
> still ensure that the most recently used 10 are not
> overwritten. Monthly, just pull whichever of the
> 22 was used. You will have a "hole" in your tape
> cycle, but amanda won't care.
>
> But maybe the human (you) will :)) If so, set your
> label scheme up to be something like DS-xx.y where
> xx is your ordering sequence and y is which replac-
> ment. Maybe you label up DS-01.0 to DS-10.0. At
> the end of the month, say you have to "pull" DS-05.0
> Mark it as no-reuse and label up a new DS-05.1. This
> preserves your ordering and tells you it is a tape
> not in the initial cycle. Might be important for
> some tapes (eg. DAT) which have a fairly short life.
>
> Just some ideas.
>
> jl
--
Unix/ Linux Systems Administrator
Chuck Amadi
The Surgical Material Testing Laboratory (SMTL),
Princess of Wales Hospital
Coity Road
Bridgend,
United Kingdom, CF31 1RQ.
Email chuck.smtl.co.uk
Tel: +44 1656 752820
Fax: +44 1656 752830
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