[DRBD-user] Dual-Head as ro?

Lars Ellenberg lars.ellenberg at linbit.com
Tue Dec 9 16:35:27 CET 2014

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On Tue, Dec 09, 2014 at 03:01:16PM +0100, Christian Völker wrote:
> Am 05.12.2014 um 07:54 schrieb Devin Reade:
> > You might want to examine GlusterFS for that use case where users connect to the local server node. 
> >
> I had a look at glusterfs. Even though the mailing list is pretty very
> low traffic...
> Looks like a file write will be delayed until the file is written on the
> other node(s). So it goes through the slow line, too. Which means even
> local writes will have only the 10Mb speed :(
> 
> So advantage is of not having an additional layer: drbd-clusterFS vs.
> GlusterFS

There is "geo replication" with glusterfs.
Though that basically is also simply a masked-off rsync "cron job".

But nothing will change the fact that if you have only 10 MBit,
you only have 10 Mbit, and you can only move so much data per night.

	Lars



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