[Mailman-Users] List Member Set Back

[David Andrews]

Thanks as always for your clear and accurate answer.  You amaze me 
with your work in development, and support, your knowledge, your 
patience etc...

Thanks!

Dave

At 04:13 PM 7/9/2008, Mark Sapiro wrote:
>David Andrews wrote:
>
> >I run a Cobalt RAQ550 server with about 125 Mailman lists on it.  On
> >several occasions, one of the lists has had its membership roster set
> >back to one from the past.  It turns out I had a defective UPS, and I
> >would guess that it happened when there was a power glitch and some
> >operation got upset, and the membership list was set back to an old one.
> >
> >I have two questions:
> >
> >First, am I right in my guess of the problem,
> >
> >and second, the list that is put in place has been, in some instances
> >a couple years old.
> >
> >I have a new UPS, so hope this happens less, but if it does, is there
> >any way to make the list that is auto restored more recent?
>
>
>Look through your Mailman lists/* directories. For any given list,
>there should be a lists/listname directory with a few files including
>a config.pck and a config.pck.last file. If there are also config.db
>and config.db.last files, remove them. These are old files left ofer
>from a Mailman 2.0.x to 2.1.x migration and their contents are that
>old.
>
>What happens is this. When Mailman instantiates a list, it tries to
>load the list data from config.pck. If that fails, it falls back to
>config.pck.last, config.db and config.db.last in that order. So if
>both config.pck and config.pck.last (the immediately prior generation)
>get corrupted in a power outage so they can't be loaded, Mailman may
>fall back to the out of date config.db, so remove those old config.db*
>files to prevent that.
>
>Then if in the future, both config.pck and config.pck.last should
>become unusable, that list will just not work and you will have to
>restore config.pck from a (hopefully recent) backup, but at least it
>won't silently fall back to years old data.
>
>--
>Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
>San Francisco Bay Area, California    better use your sense - B. Dylan
>
>
>
>No virus found in this incoming message.
>Checked by AVG - http://www.avg.com
>Version: 8.0.138 / Virus Database: 270.4.7/1542 - Release Date: 
>7/9/2008 6:50 AM