Did that change between 3.9 and 3.10? When I originally saw some
references on the Redhat storage packaged solution about a possible
incompatibility I assumed it just meant that the hot tier itself couldn't
be an arbiter volume.
I was tripped up by the change in apparent support for the cold tier
between 3.9 and 3.10. But maybe that was just a fixed oversight which
never should have worked in the first place?
-Walter Deignan
-Uline IT, Systems Architect
From: Ravishankar N <ravishankar at redhat.com>
To: Walter Deignan <WDeignan at uline.com>, gluster-users at
gluster.org
Date: 05/05/2017 11:08 AM
Subject: Re: [Gluster-users] Arbiter and Hot Tier
Hi Walter,
Yes, arbiter volumes are currently not supported with tiering.
-Ravi
On 05/05/2017 08:54 PM, Walter Deignan wrote:
I've been googling this to no avail so apologies if this is explained
somewhere I missed.
Is there a known incompatibility between using arbiters and hot tiering?
Experience on 3.9
Original volume - replica 3 arbiter 1
Attach replica 2 arbiter 1 hot tier - failure
Attach replica 3 hot tier - success
Experience on 3.10
Original volume - replica 3 arbiter 1
Attach replica 2 arbiter 1 hot tier - failure
Attach replica 3 hot tier - failure
Attach hot tier without specifying replica - success but comes in as a
distributed tier which I would assume totally negates the point of having
a replicated cold tier?
The specific error message I get is "volume attach-tier: failed:
Increasing replica count for arbiter volumes is not supported."
-Walter Deignan
-Uline IT, Systems Architect
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