[Voyage-linux] help with sync scripts

[(spam-protected)]

I've written a wiki page about the RO-RW feature, because I was also
confused by it, having previously used DSL-N with aufs overlay over the
whole filesystem. Voyage works a bit differently.

wiki page <http://wiki.voyage.hk/dokuwiki/doku.php?id=rw_ro>
How to configure and use the /ro and /rw directories

Comments or wiki updates welcome.

Rodney


> Robert,
>
>  looking through voyage-sync: despite the word 'sync' appearing
> throughout,
>  I think it isn't actually doing a file system sync, it is just copying
>  the writeable layer (tmpfs/aufs) to the underlying layer e.g. flash
> drive.
>
>  That may not sync for some time, or shutdown.
>
>  How about doing this for an experiment:
> remountrw
> /etc/init.d/voyage-sync sync
> sync
> remountro
>
>
> Rodney
>
>
> Robert Rawlins wrote:
> ...
> # apart from /var/tmp and /var/log, add extra directories to sync from
> tmpfs
>
> VOYAGE_SYNC_DIRS="/etc/thinkblue"
>
> And this appears to work well, any changes in this directory are committed
> to the disk on reboot. However, trying to sync this directory manually
> like
> follows:
>
> remountrw
> /etc/init.d/voyage-sync sync
> remountro
>
>
> The commands run just fine, however, if I then simulate a power loss by
> pulling the plug and restarting the system then the changes are not there
> when the system comes back to life.
> ...
>