[Wlug] Block-level remote file sync?

Chris wolcen at riseup.net
Thu Mar 24 13:28:58 EDT 2016


Yes, that's exactly what I was thinking of.

Thank you, Frank!

I knew it was someone at WPI, sorry for mis-appropriating credit for 
your share ;)

On 2016-03-23 20:54, Frank Sweetser wrote:
> You're thinking of lsyncd:
> 
> https://github.com/axkibe/lsyncd
> 
> It's essentially a daemon that watches one or more directories via
> inotify, and fires of incremental rsync processes whenever it sees
> writes go by (though you can specify filters rather than a simple bit
> for bit copy).  It's basically a poor man's userspace RAID1.
> 
> Frank Sweetser fs at wpi.edu    |  For every problem, there is a 
> solution that
> Manager of Network Operations   |  is simple, elegant, and wrong.
> Worcester Polytechnic Institute |           - HL Mencken
> 
> On 3/23/2016 8:50 PM, Chris wrote:
>> Hi all,
>> 
>> I recall someone giving a lightning talk on this quite a while ago
>> (Chuck I think, about 2 years ago!).
>> 
>> I was hoping to set up a simple backup solution with my son. He'd
>> replicate his data to my system, mine to his. Now, the interesting 
>> part,
>> was I think that the replication method someone used was a lazy write 
>> to
>> the backup location with a folder watching process or something. I 
>> don't
>> think I want to set up DRBD for this, but I would like an efficient
>> backup operation (e.g. would be nice to be able to efficiently backup
>> written chunks of a file with an EFS system on it).
>> 
>> Might someone remember what I'm talking about, or have any 
>> suggestions?
>> 
>> Thanks in advance! Hope you are all well.
>> --Chris
>> 
>> PS - LibrePlanet was pretty fun :)
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