[DRBD-user] uuid_compare()=-1000 by rule 100
ff at mpexnet.de
Mon Nov 29 16:16:41 CET 2010
On 11/25/2010 12:38 PM, Pavlos Parissis wrote:
> On 25 November 2010 11:43, Lars Ellenberg<lars.ellenberg at linbit.com> wrote:
>> On Thu, Nov 25, 2010 at 11:32:02AM +0100, Pavlos Parissis wrote:
>>> I guess the result of -1000 on uuid_compare is quite cryptic and
>>> doesn't give you much information on the root cause.
>> Then don't focus on that line, but on the next:
>> Nov 24 15:00:27 pbxsrv3 kernel: block drbd2: Unrelated data, aborting!
>> Still cryptic?
> Yes :-)
> what is unrelated data? Can this occur also in other cases? or just in
> my specific scenario?
It happens whenever you connect 2 DRBDs that are not meant to connect.
> Is this uuid check for the node itself of the data?
The UUIDs are per device. After all, you can easily screw up by
specifying a wrong peer port and connecting to the correct peer, but
totally wrong device on that peer.
> I know I am asking to much but a log line like "request from unknown
> host" or something similar could be more specific.
See above. DRBD cannot infer that much information from a failed UUID check.
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