From: Herbert Poetzl (herbert_at_13thfloor.at)
Date: Thu 04 Mar 2004 - 16:00:16 GMT
On Thu, Mar 04, 2004 at 10:57:40AM +0100, loic d'Anterroches wrote:
> Hi,
>
> > Yes, you are right: heartbeat doesn't need to manage the ip takeover,
> > vserver does. We emit an unsolitcited arp reply in the vserver pre-start
> > script in order to inform all hosts in the local subnet about the
> > takeover.
> > We don't run the rebootmgr because we noticed that its open socket
> > in the vserver filesystem prevented heartbeat from unmounting the
> > vserver filesystem and the takeover hangs.
> >
> > Our heartbeat resources are datadisk, vserver and MailTo, where the
> > vserver resource script is just a symbolic link to the standard vserver
> > script.
>
> Thanks for this confirmation. It is more clear for me. I will also this
> rebootmgr issue.
there is an alternative to the rebootmgr, it's
called vshelper, and it should not have this
issue ...
best,
Herbert
> >> Off-topic: If you are using drbd, how are you managing the synchro when
> >> the master BA comes online again?
> >
> > Don't know what you want to know here. We have heartbeat configured with
> > "auto_failback off", so when BA comes up again, the vserver stay on BB
> > until we interactively force the takeover. So we can have a look at BA
> > and eventually start drbd on BA if that doesn't happen automagically.
> > If you want to force a full sync, you have to delete all files in
> > /var/lib/drbd before reconnecting BA. After drbd has synced the
> > disk(s) you can do a "/usr/lib/heartbeat/hb_standby foreign" on BB
> > to force the failback of the vservers.
>
> Sorry, my question was not correctly formulated, but you gave me the
> answer anyway :-) I was not sure about the synchro back from BB to BA when
> BA comes online again, but definitely it looks like doing that manually is
> better at least to correctly check BA.
>
> Thanks for your complete and fast answer,
> loic
>
>
>
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