[Linux-HA] asymmetrical 4-node cluster

[Alan Robertson]

Lars Marowsky-Bree wrote:
> On 2007-02-27T20:03:47, Dejan Muhamedagic <dejanmm at fastmail.fm> wrote:
> 
>> Feb 27 19:23:04 rbxw02 db2[22847]: [22866]: ERROR: DB2 instance
>> [pdot] not available
>>
>> The reason for the error is simple: DB2 not installed.
>>
>> Is there a way to tell heartbeat not to check a resource on a node
>> which is anyway not eligible to run it? If not, how difficult
>> would it be to implement such a feature?
> 
> No. This is not possible.
> 
> The real fix is in the DB2 resource agent: It should detect that the
> binaries are absent and thus the resource very clearly is not active.
> (It could do a quick ps xa | grep check to be 100% sure.)

I think that RA does something like that.  I think that's why it says
what it does -- it isn't there.  The instance is down.   The message is
correct.

Exactly what is the problem caused by probing in this way?


-- 
    Alan Robertson <alanr at unix.sh>

"Openness is the foundation and preservative of friendship...  Let me
claim from you at all times your undisguised opinions." - William
Wilberforce