Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Sun, Jul 13, 2008 at 11:48 PM, Florian Haas <florian.haas at linbit.com> wrote: > Art Age Software wrote: >> I have set up drbd + dopd according to the User's Guide and am >> attempting to test according to the instructions as follows: >> >> >> 1. "To test whether your dopd setup is working correctly, interrupt >> the replication link of a configured and connected resource while >> Heartbeat services are running normally. You may do this by either >> physically unplugging the network link, or by running ifconfig >> interface down on the interface used for DRBD replication." >> >> OK, I successfullly bring down the replication interface (via ifconfig). > > Wrong approach. :-) > > If you do ifconfig down; DRBD will terminate its networking threads, > putting the resource in StandAlone mode. You won't get it out of > StandAlone until you do "drbdadm connect". > > If, conversely, you pull the cable, or insert an iptables rule to drop > incoming DRBD packets, DRBD's networking threads will continue to run > and the resource will remain in WFConnection on both ends. The resource > will then return to Connected mode as soon as you re-plug the cable or > remove the iptables rule. > > Florian OK, thanks. You might want to update the User's Guide and your blog post, both of which suggest "ifconfig down" to simulate the failure.