Re: Copying related snapshots to another server with btrfs send/receive?

[Marc MERLIN <marc@merlins.org>]

On Mon, May 05, 2014 at 03:24:45AM +0000, Duncan wrote:
> *However*: snapshotting a read-only snapshot and making the new one 
> writable is easy enough[1].  Just keep the originals read-only so they 
> can be used as parents/clones, and make a second, writable snapshot of 
> the first, to do your writable stuff in.
> 
> ---
> [1]  Snapshotting a snapshot: I'm getting a metaphorical flashing light 

I already snapshot ro snapshots as rw snapshots and that works fine.
It's actually rely on this in my script:
http://marc.merlins.org/perso/btrfs/post_2014-03-22_Btrfs-Tips_-Doing-Fast-Incremental-Backups-With-Btrfs-Send-and-Receive.html
(skip to the bottom)
# We make a read-write snapshot in case you want to use it for a chroot
# and some testing with a writeable filesystem or want to boot from a
# last good known snapshot.
btrfs subvolume snapshot "$src_newsnap" "$src_newsnaprw"
$ssh btrfs subvolume snapshot "$dest_pool/$src_newsnap" "$dest_pool/$src_newsnaprw"

Marc
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