Mark V wrote:
> Hi Group,
>
> Unfortunately I seem to have scheduled my full backup for 2:05am which
> is around the time that our clocks go back, 2:00am - I use openSUSE
> 11.0 and it seems this time shift happened, but only after the backup
> started.
>
> bacula version is 2.4.4
>
> The result does not seem to be disastrous - the backup went ahead.
> The problem is the same backup job tried to run again and is now
> hanging with bacula-tray-monitor showing:
>     Device is BLOCKED waiting to create a volume for:
>        Pool:        Full-Pool
>        Media type:  File
>
> In the log I don't see error messages.
> But in bat gui I did see an error message in the console showing that
> the job finished at 2:51am and then tried to start again at 2:05am,
> and of course complained that the job file existed - this job is set
> to have only one backup job per file.
>
> Two questions:
> Q1) Am I going mad or is it possible for bat to show an error that
> does not show in the bacula log file?
>   
I don't know
> Q2) What is the best way to remedy this situation?
>   
Cancel the blocked job. Since it's blocked, it hasn't done anything.
> Q3) Am I correct in assuming that the only way to handle (summer) time
> changes is to set your backup times far enough away from the change
> over time?
>   
I can see several options:
- Don't schedule the job between 2 AM and 3 AM. 1:59 or 3:01 AM should 
be fine since these are unique times.
- change the time zone to UTC
- create a script that somehow figures out that this is the second 
2:05AM in the same day, and then returns an error. Run this as a Run 
Before script.
- The ostrich algorithm: pretend that the problem doesn't exist, and 
simply cancel the job when it happens. It's only once a year.

I think the first two options are better. Otherwise, you run into the 
reverse issue in Fall; the backup won't run at all when switching back.

-- 
Kevin Keane
Owner
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