From: Lars Marowsky-Bree <lmb@suse.de>
To: Philipp Reisner <philipp.reisner@linbit.com>, drbd-dev@lists.linbit.com
Subject: Re: [Drbd-dev] Another drbd race
Date: Tue, 7 Sep 2004 14:06:31 +0200 [thread overview]
Message-ID: <20040907120631.GI10035@marowsky-bree.de> (raw)
In-Reply-To: <200409071332.02477.philipp.reisner@linbit.com>
On 2004-09-07T13:32:02,
Philipp Reisner <philipp.reisner@linbit.com> said:
> > similar after bootup:
> > we refuse to be promoted to Primary from Secondary/Unknown,
> > unless we got an explicit "peer dead" confirmation by someone.
> >
> > does that make any sense?
> >
> I like it a lot!
>
> Thus we will not call it "drbdadm resume-io r0" but
> "drbdadm peer-dead r0"
The drbd proof of concept Resource Agent I wrote actually calls this
command "mark-peer-dead", so we are quite in alignment ;-)
Note that in particular this could be set before even drbd itself
notices; which is more easily understood than getting a "resume_io"
command before drbd had even suspended IO.
> Also the question at the startup-user-dialog:
>
> Is the peer dead ?
>
> Is easier to get right....
Yep. It's also much easier to code for.
Sincerely,
Lars Marowsky-Brée <lmb@suse.de>
--
High Availability & Clustering \\\ ///
SUSE Labs, Research and Development \honk/
SUSE LINUX AG - A Novell company \\//
next prev parent reply other threads:[~2004-09-07 12:06 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20040819110202.GO9601@marowsky-bree.de>
[not found] ` <20040819113205.GP9601@marowsky-bree.de>
[not found] ` <R+ahoCHARbsLOMKIahWH0/Q=lge@web.de>
2004-08-20 12:52 ` [Drbd-dev] Re: drbd Frage zu secondary vs primary; drbddisk status problem Philipp Reisner
2004-08-20 13:32 ` Lars Ellenberg
2004-08-23 14:28 ` [Drbd-dev] gen_counts and primary --human Lars Ellenberg
2004-08-23 21:57 ` Lars Marowsky-Bree
2004-08-25 9:42 ` Philipp Reisner
2004-08-23 21:56 ` [Drbd-dev] Re: drbd Frage zu secondary vs primary; drbddisk status problem Lars Marowsky-Bree
2004-08-25 9:42 ` Philipp Reisner
2004-08-25 10:28 ` Lars Marowsky-Bree
2004-08-25 11:30 ` Philipp Reisner
2004-08-25 13:38 ` Lars Ellenberg
2004-09-04 9:48 ` [Drbd-dev] Another drbd race Lars Marowsky-Bree
2004-09-04 10:00 ` Lars Ellenberg
2004-09-04 10:18 ` Lars Marowsky-Bree
2004-09-04 10:43 ` Lars Ellenberg
2004-09-04 10:51 ` Lars Marowsky-Bree
2004-09-07 9:39 ` Philipp Reisner
2004-09-07 10:13 ` Lars Ellenberg
2004-09-07 11:32 ` Philipp Reisner
2004-09-07 12:05 ` Lars Ellenberg
2004-09-07 12:12 ` Lars Marowsky-Bree
2004-09-07 12:06 ` Lars Marowsky-Bree [this message]
2004-09-07 12:19 ` Philipp Reisner
2004-09-07 12:28 ` Lars Marowsky-Bree
2004-09-07 12:47 ` Philipp Reisner
2004-09-08 11:20 ` Lars Marowsky-Bree
2004-09-08 11:31 ` Lars Ellenberg
2004-09-08 15:11 ` Lars Marowsky-Bree
2004-09-08 15:22 ` Lars Ellenberg
2004-09-08 11:33 ` Philipp Reisner
2004-09-07 15:55 ` Lars Ellenberg
2004-08-20 14:10 ` [Drbd-dev] Re: drbd Frage zu secondary vs primary; drbddisk status problem Helmut Wollmersdorfer
2004-08-23 22:01 ` Lars Marowsky-Bree
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