Live-snapshot questions

[tomas@tuxteam.de]

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Hi,

I have two questions wrt to live-snapshot (well, two-and-a-half :)

All is with a fairly recent live toolset on Lenny:

  ii  live-helper    1.0.1-1        Debian Live build scripts
  ii  live-initramfs 1.139.1-3      Debian Live initramfs hook


 (1) I'm trying to use a cpio.gz snapshot. To this end, I created one, put
   it on a block device (actually a partition on an USB stick). This
   file is called live-sn.cpio.gz. I also put a second one there,
   home-sn.cpio.gz (but see my second question).

   On boot of the live system all is fine. Problem arises when trying to
   refresh the snapshot: in /etc/live.conf I see something like:

   /root:/dev/sdb1:live-sn.cpio.gz
   /root/home:/dev/sdb1:home-sn.cpio.gz

   The first field of the colon-separated entries should be the name of
   the COW directory, which in my system is /live/cow (and not root). If
   I change the entry in /etc/live.conf to read

   /live/cow:/dev/sdb1:live-sn.cpio.gz

   all works as expected (i.e. "sudo live-snapshot --refresh" writes out
   the cpio archive with all the changes).

   Am I doing something wrong? Or is there a buglet somewhere?

 (2) Do I have to do anything special to have separate "live" and "home"
   snapshots? As far as I can see, there is only one COW directory
   mounted over / -- so any changes (included those in /home) would land
   in live-sn. But I must be missing something, right?

 (3) Now to the half-question: I would like to take another kind of
   snapshots: rsync snapshots over the net. Would there be interest in
   it? Would it make sense to provide some hook magic, to not have all
   the snapshot machinery built in? Ideas?

Thanks
- -- tomás
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