Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Lars Marowsky-Bree sagte: > On 2005-12-14T18:59:29, Christof Amelunxen <ca at ordix.de> wrote: > >> Hi all, >> >> we are currently implementing an informix dbms cluster using Linux-HA >> (1.2.3) and drbd (0.7.5) on SLES9 SP2. Everything is working perfectly >> well so far, thanks a lot for all the work that has been done. >> >> I have a question about a special situation that may be an FAQ but still >> I >> didnt find any answers yet: >> >> 1. NodeA (P) --- NodeB (S) # everything ok >> 2. NodeA (P) - - NodeB (S) # DRBD detects connection loss, goes WFC >> 3. NodeA (P) - - NodeB (S) # Linux-HA detects split brain, A kills B >> 4. / - - NodeB (P) # NodeB takes over, goes primary >> >> There have been writes on NodeA between step 2 and 3. These are lost >> after >> Linux-HA has killed A and made B primary. I know the best solution is to >> avoid this situation by any chance and we are using serial heartbeats, >> too, but what if it happens anyway? > > The writes are lost. > > > Sincerely, > Lars Marowsky-Brée > > -- > High Availability & Clustering > SUSE Labs, Research and Development > SUSE LINUX Products GmbH - A Novell Business -- Charles Darwin > "Ignorance more frequently begets confidence than does knowledge" > > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user >