Re: Announcement: buttersink - like rsync for btrfs snapshots

[Jim Salter <jim@jrs-s.net>]

To any core btrfs devs who are listening and care - the unreliability of 
btrfs send/receive is IMO the single biggest roadblock to adoption of 
btrfs as a serious next-gen FS.

I can live with occasional corner-case performance issues, I can even 
live with (very) occasional filesystem corruption... IF I can rely on 
replication to keep my data safe on another box.  Without the 
replication, there's just no reasonable case to be made to replace ZFS.

On 08/11/2014 02:05 PM, Ames Cornish wrote:
> Jim,
>
> btrfs send reliability has been an issue, though I've been able to 
> successfully use it for my backups.  buttersink usually detects the 
> errors and will either move the destination snapshot to mark it as 
> partial/failed (for btrfs), or cancel and delete the partial upload 
> (for S3).  I've also found that it helps to wait a while (e.g. 30 
> seconds) after any volume deletes before trying the send/sync.  I hope 
> btrfs-progs will get more reliable, too.
>
> - Ames