Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Mon, 2006-09-18 at 15:21 +0200, Usman Ahmad wrote: > Hi, > > Thanx for the explanation. Just curious what "halt -f" does? related > to DRBD or is it a system command? > its halt command, nothing to do with DRBD. > Regards > Usman > > On 9/16/06, Tim Jackson <lists at timj.co.uk> wrote: > Usman Ahmad wrote: > > Hi, it would be easier if you didn't top-post. Thanks. > > > No, there is no firewall setup, but same question again, it > may be > > stupid. How long does a drbd node wait for changing the > other node to > > unknown state ( i guess this is done through different > timeout > > parameters etc.), and if the other server comes back up > again, is it > > changed normally or not? > > First, just in case it wasn't clear, DRBD doesn't change the > status of > the *local* node; only an external program (e.g. Heartbeat) > does that. > As for what it shows for the status of the *remote* node, > well, I > haven't read the code but it normally seems to me to be pretty > fast. > Again, read the logs: if the local node is primary (and writes > are > taking place, I think), then you should start seeing "ko" > warnings > quickly, and how long before the other node is declared dead > depends on > the "ko-count" configuration option. You will see all kinds of > warnings > from DRBD when the nodes can't communicate. See also my bug > report on > this list the other day though, about DRBD not reporting a > transition of > the remote node to "Unknown" status in the logs. > > > on-degr-cmd "echo '!DRBD! pri on incon-degr' | wall ; sleep > 60 ; halt -f"; > > halt -f? > > That's not directly related. This is what happens if the > machine is > inconsistent and the cluster is degraded when DRBD starts > (i.e. the > machine should be becoming primary, but it doesn't have a full > copy of > the data). > > Tim > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user > > > > -- > Usman Ahmad Malik > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user -- "The world is divided into one group: those who start counting at 0, and those who don't."