[DRBD-user] Adding additional 'node' to DRBD

Paul O'Rorke paul at tracker-software.com
Wed Jan 30 18:09:07 CET 2019

Thanks Roland,

I appreciate the quick and candid reply.

*Paul O'Rorke*

On 2019-01-30 8:48 a.m., Roland Kammerer wrote:
> On Wed, Jan 30, 2019 at 07:49:39AM -0800, Paul O'Rorke wrote:
>> Thanks Roland,
>> I am not sure if I should start a new topic for this, but now you have me
>> wondering....
>> I use a classic 3 node setup, LVM backing devices, and a stacked third node
>> for DR using Protocol A.  I have a VPN between the main site and off-site
>> and the latency hovers around 10ms.
>> Are there compelling reasons for me to look into DRBD 9?  My current setup
>> is pretty solid, so far I have never needed to use the off site copies
>> (touch wood).  I have 12 resources (all KVM HA servers) piped through the
>> VPN.
> When your setup is more or less static and you have 2 nodes (or 3 with
> stacking + proxy), using DRBD8.4 is IMO perfectly fine.
> Not every setup is OpenStack/OpenNebula/... with > 1000 resources.
> Regards, rck
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