Hi, On Wed, Aug 26, 2009 at 04:02:21PM +0800, Li James wrote: > Hi: > I am providing a HA solution base on hb+drbd7. And I have a question how > hb+drbd prevent data corruption when the following events happen. > > Suppose there are two nodes A, B in the cluster. > > 1. A is primary and B is slavery. The state transforming like this: > A(running) B(running)---->A(running) > B(hangup)---->A(hangup)B(hangup)--->A(hangup)B(start) > > When B starts, How can it know that the data will be corrupt and do not > start as primary DRBD. > > 2. A is primary and B is slavery. The drbd net is broken. Before B know > this( the drbd state switch to *Inconsistent*), A write some data to drbd > disk and hangup. Then how can B know that the data will be corrupt and do > not start as primary DRBD.
Perhaps better to try some drbd forum. Thanks, Dejan > Best Regards > Mia Lueng > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
