[Box Backup] Disturbing bug

[Jan Haastrecht]

Chris Wilson schreef:
> Hi Jan,
>
> On Thu, 29 Nov 2012, Jan Haastrecht wrote:
>
>> The following line in BUGS.txt in SVN seems rather disturbing: "if a file 
>> changes while it's being streamed to the server, bad things will happen"
>>
>> Perhaps it's just an old line, perhaps not. If it's still a current bug, can 
>> you fix it? If it's not, can you update the file?
>>
>> Either way, it gives a bad impression.
>
> I'm not sure how possible it is to fix this without snapshot support in the 
> underlying OS/filesystem/storage, integrated with Box Backup, which we don't 
> currently have except on Windows using VSS (unsupported).
How about http://kernel.org/doc/Documentation/filesystems/mandatory-locking.txt ?
>
> If you have that infrastructure (e.g. LVM, BSD snapshots) then the best way to 
> work around it is to take a snapshot before backup and back up the snapshot 
> instead of the live data.
>
> Cheers, Chris.
Cheers,
   Jan