On Apr 1, 2011, at 10:56 AM, Lars Ellenberg wrote: > On Fri, Apr 01, 2011 at 08:42:04AM -0600, Serge Dubrouski wrote: >> On Fri, Apr 1, 2011 at 8:38 AM, Lars Ellenberg >> <lars.ellenb...@linbit.com> wrote: >>> On Fri, Apr 01, 2011 at 11:35:19AM +0200, Christoph Bartoschek wrote: >>>> Am 01.04.2011 11:27, schrieb Florian Haas: >>>>> On 2011-04-01 10:49, Christoph Bartoschek wrote: >>>>>> Am 01.04.2011 10:27, schrieb Andrew Beekhof: >>>>>>> On Sat, Mar 26, 2011 at 12:10 AM, Lars Ellenberg >>>>>>> <lars.ellenb...@linbit.com> wrote: >>>>>>>> On Fri, Mar 25, 2011 at 06:18:07PM +0100, Christoph Bartoschek wrote: >>>>>>>>> I am missing the state: running degraded or suboptimal. >>>>>>>> >>>>>>>> Yep, "degraded" is not a state available for pacemaker. >>>>>>>> Pacemaker cannot do much about "suboptimal". >>>>>>> >>>>>>> I wonder what it would take to change that. I suspect either a >>>>>>> crystal ball or way too much knowledge of drbd internals. >>>>>> >>>>>> The RA would be responsible to check this. For drbd any diskstate >>>>>> different from UpToDate/UpToDate is suboptimal. >>>>> >>>>> Have you actually looked at the resource agent? It does already evaluate >>>>> the disk state and adjusts the master preference accordingly. What else >>>>> is there to do? >>>> >>>> Maybe I misunderstood Andrew's comment. I read it this way: If we >>>> introduce a new state "suboptimal", would it be hard to detect it? >>>> >>>> I just wanted to express that detecting suboptimality seems not to be >>>> that hard. >>> >>> But that state is useless for pacemaker, >>> since it cannot do anything about it. >> >> Looks like a lot of people, including myself, are still confused with >> this statement. Basically this state of DRBD resource is unstable and >> resource is unusable, why do you think that this is normal for >> Pacemaker to report a such state as Ok state? > > It is usable. It is being used. > It is at least as usable as a degraded RAID1. > Pacemaker cannot do anything about that missing disk, either. > > Of course you can patch pacemaker to detect that the RAID1 is degraded, > and trigger faxing a PO to your supplier for a replacement drive. >
Pacemaker doesn't have RAID1 RA, does it? > But possibly you should rather have some monitoring (nagios, ...) notice this, > page/email/alert with your favorite method the relevant people, and have > them take appropriate actions? > > -- > : Lars Ellenberg > : LINBIT | Your Way to High Availability > : DRBD/HA support and consulting http://www.linbit.com > _______________________________________________ > Linux-HA mailing list > Linux-HA@lists.linux-ha.org > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
