Re: HAMMER cleanup

[Claes Wallin <clacke+dragonflybsd@xxxxxxxxxxxxxx>]

Michel Salim wrote:
> On Wed, Oct 22, 2008 at 8:56 AM, Sascha Wildner <saw@online.de> wrote:
> > Michel Salim schrieb:
> > > Is there anything like Linux's anacron on the BSDs? It would just run
> > > any cron jobs missed because the computer was not on. Not sure if it
> > > can be configured to only kick off after the rest of the boot process
> > > has been completed though; that would avoid the "doing heavy IO at
> > > start-up" concern.
> > Anacron is in pkgsrc (time/anacron). Never used it personally, though.
> So:
> - not a good option, since it's not part of the core OS?
> - or, alternatively, laptop users who use Hammer are assumed to know
> what they are doing
>
> Another solution would be to do a cleanup every N mounts (similar to
> the tunable file system option for ext2/3 on Linux that would run fsck
> every N mounts); but this would not work for laptop users who just
> suspend their machines at night.

Anacron is not a (very) complicated beast. Basic functionality could be 
provided by a simple script that checks if a timestamp was updated at 
most <bar> days ago. If timestamp is old, run cleanup. Run this script 
every <foo> minutes.
--
   /c