Re: [Gluster-devel] New IDEA: The Checksumming xlator ( AFR Translator have problem )

[Sascha Ottolski]

Am Donnerstag 17 Januar 2008 09:47:06 schrieb Angel:
> But the real problem as you pointed out is that AFR only know files
> dont match, so have to copy every byte from you 100GB image from B to
> A (automatically on self-heal or on file access )

i never tried it, but isn't this a situation where rsync's "--inplace" 
parameter is useful? seems to be able to kinda binary diff on a 
blocklevel. may such an approach could be used for afr self-heal as 
well?

btw, just curious, the problems with xen do only occur after a node was 
down, right? if i understand it correctly, as long as all afr nodes are 
up the client would write to them in parellel, so that the nodes stay 
in sync automtically at any time?


Cheers, Sascha