[mythtv-users] mythbuntu db backups

[Daryl McDonald]

On Thu, Oct 29, 2015 at 8:35 PM, Stephen Worthington <
stephen_agent at jsw.gen.nz> wrote:

> On Thu, 29 Oct 2015 18:48:22 -0400, you wrote:
>
> >Greetings Mythizens, in a manual housekeeping effort I've discovered a
> file
> >with ten recent mythbuntu db backups in it, I don't use Mythbuntu Control
> >Center any more so these are dead weight. Can anyone offer a suggestion on
> >stopping this log rotate process cleanly, I imagine deleting the target
> >file would cause subterranean problems at some point. I'm quite happy with
> >the Mythconverg backups and I'm running mythtv 0.27 fixes in a Ubuntu
> 14.04
> >desktop environment.  Grazie.
>
> As far as I know, the only backup rotation is done by the backup
> script:
>
>   /usr/share/mythtv/mythconverg_backup.pl
>
> which is called from:
>
>   /etc/cron.weekly/mythtv-database
>

Yes I have Mythconverg running with a five backup logrotate

>
> All it does is to do individual backups to files with the date in the
> name, and then delete the oldest when it does a new backup and there
> are too many backups already present in the destination directory.
>
> There is no software I know of in Mythbuntu 14.04 that will create a
> file that has multiple backups in it.
>

Previously I used MCC to generate "Mythbuntu backups, not Mythconverg
backups

>
> The standard place the backups are put is:
>
>   /var/lib/mythtv/db_backups/
>

and they are translocated, my  bad

>
> If they are anywhere else, it is something you have done.  I have set
> up daily backups to a network drive, and moved my normal weekly
> backups to a different drive on my backend.
>
> Exactly how are the multiple backups stored in the file you found? Are
> they compressed in some form of archive file?  What is the timestamp
> on the file?  Making backups, or archiving them, takes a while, so you
> may be able to find out what is doing it by being around at the time
> that file is altered, and getting a full process list, and seeing what
> is actually creating the file:
>

Yes compressed and one for each of the last ten days

>
>   ps -ef >processes.txt
>
> If it is happening at a bad time of day, you can schedule that command
> to happen.


Timing is not the issue I just want to eradicate the process creating them
because the Mythconverg backups are sufficient and the Mythbuntu
unnecessary.



> To do that, I use a little script called sleepuntil that I
> found on the net.  I have it in /usr/local/bin:
>
> #!/bin/bash
> set -o nounset
>
> ### // Sleep until some date/time.
> # // Example: sleepuntil 15:57; kdialog --msgbox "Backup needs to be
> done."
>
>
> error() {
>   echo "$@" >&2
>   exit 1;
> }
>
> NAME_PROGRAM=$(basename "$0")
>
> if [[ $# != 1 ]]; then
>      error "ERROR: program \"$NAME_PROGRAM\" needs 1 parameter and it
> has received: $#."
> fi
>
>
> CURRENT=$(date +%s)
> TARGET=$(date -d "$1" +%s)
>
> SECONDS=$(($TARGET - $CURRENT))
>
> if [[ $SECONDS < 0 ]]; then
>      error "You need to specify in a different way the moment in which
> this program has to finish, probably indicating the day and the hour
> like in this example: $NAME_PROGRAM \"2009/12/30 10:57\"."
> fi
>
> sleep "$SECONDS"
>
> # // End of file
>
>
> So you would do a command like:
>
> sleepuntil 03:00; ps -ef >processes.txt
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I'd rather not reinstall MCC just to stop that process if there is a
command line solution.
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