[DRBD-user] Re: Heartbeat V2 w/CRM and DRBD 8

Art Age Software artagesw at gmail.com
Thu Dec 20 22:29:50 CET 2007

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


My advice is to avoid the Heartbeat CRM style and use the v1
configuration style, which works just fine with Heartbeat v2 and DRBD
8. We tried the CRM and found it to be overly complex and inadequately
documented. The v1 conffig "just works" as Lars says. So, unless you
absolutely need some feature of the CRM that is not supported in v1
configs, stick to v1.

On Dec 20, 2007 12:54 PM, Lars Ellenberg <lars.ellenberg at linbit.com> wrote:
> On Thu, Dec 20, 2007 at 12:06:11PM -0600, Terry Hull wrote:
> > Is there any documentation on using DRBD V8 with Heartbeat V2 and CRM?
> > I saw the docs on linux-ha.org about using heartbeat with V7 of DRBD,
> > but the notes say that only V7 of DRBD is known to work.  Is that still
> > the case?
>
>
> we still use the heartbeat v1 style "drbddisk" "resource agent",
> even with crm style heartbeat, because it tends to behave more
> predictably than the "multistate drbd" resource agent.
>
> drbd is loaded and configured by init,
> role changes (secondary <-> primary)
> are controlled by heartbeat using
> the drbddisk script.  it just works.
>
>
> if you want to go the "multistate" route, and use the "OCF" drbd
> resource agent, make sure you use the very latest heartbeat and script.
> it has been very much improved, I think, though I did not personally
> look at this multistate resource stuff recently.
>
>
> > --
> >
> > Terry Hull - President
> >
> > Network Resource Group, Inc.
> >
> >
> >
>
> --
> : Lars Ellenberg                            Tel +43-1-8178292-55 :
> : LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
> : Vivenotgasse 48, A-1120 Vienna/Europe    http://www.linbit.com :
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>



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