[DRBD-user] Local Asynchronous Replication

Nick Couchman Nick.Couchman at seakr.com
Tue Jan 25 15:49:10 CET 2011

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

> > 
> > The built-in Linux RAID1 driver offers the ability to mark a volume in a
> > RAID1 set as "write mostly", which takes care of most of the concern for
> > having I/O operations occur on the primary device, but does not
> > necessarily insure that write operations will not be blocked by Linux
> > waiting on them to occur on both volumes.
> Not that I'm advocating against DRBD usually, but just make sure you do
> not overlook the parts about write-intent bitmap and write-behind mode
> on the mdadm man page.

Thanks, Lars,
I will take a look at those options and see what I can find!


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