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winner on distributed volume can no be changed
Hi there,
we had a issue at a customer site where the datacenter with the VPLEX Cluster-1 went down.
All distributed-volumes are in a consistency group which have Cluster-1 defined as winner.
We wanted to change the winner on only some of the distributed-volumes so they could be accessed in the operational datacenter.
So we run the following command:
VPlexcli:/distributed-storage/distributed-devices> ds dd declare-winner --distributed-device /distributed-storage/distributed-devices/LUN_0018_VMFS --cluster /clusters/cluster-2 --force
The behavior was not as expected - we received the following error message:
ds dd declare-winner: Evaluation of < > failed.
cause: Failed to declare winner cluster 'cluster-2'.
cause: No conflict detected on distributed Device 'LUN_0018_VMFS' at cluster 2
We then decided to change the winner on the consistency-group which worked fine.
Does anyone have a idea why we couldn't just change the winner on some of the distributed volumes?
thx
Anonymous
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February 3rd, 2016 02:00
In non-witness environments, Consistency Group detach rule overrides member Device detach rule.
From your description, this appears to be what happened.
See the VPLEX Admin Guide 302-002-368-01 (Geo 5.5)
Good section on cluster behavior in error conditions, chapter 10 VPLEX Witness.
vPert
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February 3rd, 2016 23:00
Thank you – I’ll go thru the mentioned chapter![](https://prod-care-community-cdn.sprinklr.com/community/687062f5-603c-4f5f-ab9d-31aa7cacb376/Rewinnerondistributedvolumecan-f088e8a3-a5e7-45e1-950e-21874b35dea8-390770804)
Von: ciaran_mclarnon
Gesendet: Mittwoch, 3. Februar 2016 20:04
An: Tom Schmuki
Betreff: Re: - winner on distributed volume can no be changed
ECN
winner on distributed volume can no be changed
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