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, Sep 15, 2008 at 10:26:46AM +0200, Andrew Beekhof wrote: > On Mon, Sep 15, 2008 at 08:28, Lars Ellenberg <lars.ellenberg at linbit.com> wrote: > > > > if we set aside confused admins for the moment, > > and assume CRM is the only entity promoting/demoting drbd. > > A very important assumption. > > Without it, it doesn't matter how much redundancy you add, you'll > always have a split brain/personality. > > You can't put the cluster in charge, tell it to go in one direction, > and then start trying to go off in another. That path leads to > madness for the cluster and the admin. Absolutely. No disagreement there at all. The "outdated" flag stored in drbd metadata does help to remind the confused admin  that he meant to type that command in the other terminal window. That is all I wanted to say there. I just meant to point out this "subtile" difference in _where_ we store the information that this node is out-of-date.  who tries desperately to rescue what he can after a minor catastrophe, at 3:17 am Saturday morning -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed