Re: Snapshots in tmpfs

[Adam Hamsik <haaaad%gmail.com@localhost>]

On Feb,Tuesday 28 2012, at 3:15 AM, Christos Zoulas wrote:

> In article <4F4C09C6.3040902%bsdstammtisch.at@localhost>,
> Manuel Wiesinger  <manuel%bsdstammtisch.at@localhost> wrote:
>> As it seems, implementing the snapshot feature does not really pay off. 
>> Other projects seem to be much more rewarding for me.
>> 
>> An attractive alternative, is the ext3 journaling feature. It seems to 
>> be an appropriate amount of work, even more interesting and much more 
>> useful.
>> 
>> Is there anybody already working on it?
> 
> No, I don't think anyone is. Even better, how about getting zfs in a working
> state?

I can help with both zfs and ext3. If requirement for your thesis is to design 
and implement something new then implementing DRBD like network raid on top of 
device-mapper would be amazing. [1], [2]

Ext3 port would require implementation of journal-block device which is used 
for logging in ext3.

[1] www.drbd.org
[2] http://wiki.freebsd.org/HAST

Regards

Adam.