On Thursday 22 May 2003 15:38, Per von Zweigbergk wrote:
>torsdagen den 22 maj 2003 kl 21.22 skrev Rebecca Pakish Crum:
>>>> I do this every weekday (without the take-home part :)  The
>>>
>>> job runs
>>>
>>>> every weekday morning at 02:03am.  When I come in in the
>>>> morning (which varies from 6am to 11am :), the job is done,
>>>> and the first thing I do is swap the tape (I find that if I
>>>> don't do it _first_thing_ it doesn't always get done...)
>>>
>>> What happens if you don't? Will it e-mail you pestering you to
>>> change the tape, forcing you to do two tape runs on one day?
>>>
>>> Or will it simply drop that run, noting the problem... i.e.
>>> just fail gracefully, and try again the next day, effectively
>>> delaying the backup?
>>>
>>> The reason I ask is, what happens in a school holiday, when
>>> nobody is on site working the backup units? Of course, the
>>> "proper" solution is to disable the cron job during school
>>> holidays, but what is someone forgets?
>>
>> I run into this myself on holidays. Originally I would
>> reconfigure my cron to just skip that day's backup, because no
>> one would be here, the data wouldn't have changed from my last
>> good level 0. (We run level 0 every night). But then I realized
>> I had this big huge holding disk (duh). So I just let it run.
>> The report whines that it couldn't find a tape, so it left
>> everything in the holding disk. The day after the holiday I
>> manually run the amflush to flush it to the tape it was
>> *expecting* the day before and then change the tape for the next
>> night's
>> cron backup. There is no 'delay' in backup. It's one of my
>> favorite features in amanda, the holding disk.
>
>So, what happens if:
>
>1) Someone forgot to change tape one day, or even for a week, but
> then continues to swap tapes as if nothing happened, not running
> amflush?
>
Later versions of amanda have an 'autoflush' option, which if 
present in the amanda.conf file, will cause amanda to do a flush 
before starting the actual backup run if there are an files left in 
the holding disk.  Obviously a big holding disk is your best friend 
:)

>2) If there is a week long holiday, does the operator have to
> flush onto 5 more tapes?

That would depend on how much in the holding disk versus how big the 
backups were and how much the tapes can hold.  You might get by 
with only 2 or 3 tapes to catchup after the holiday.
 
-- 
Cheers, Gene
AMD K6-III@500mhz 320M
Athlon1600XP@1400mhz  512M
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Copyright 2003 by Maurice Eugene Heskett, all rights reserved.