"merging" 2 different GPFS cluster into one .. is not possible ..
for sure you can do "nested" mounts .. .but that's most likely not, what you want to do ..
if you want to add a GL2 (or any other ESS) ..to an existing (other) cluster... - you can't preserve ESS's RG definitions...
you need to create the RGs after adding the IO-nodes to the existing cluster...
so if you got a new ESS.. (no data on it) .. simply unconfigure cluster .. .. add the nodes to your existing cluster.. and then start configuring the RGs
From: "Dorigo Alvise (PSI)" <alvise.dor...@psi.ch>
To: "gpfsug-discuss@spectrumscale.org" <gpfsug-discuss@spectrumscale.org>
Date: 12/03/2019 09:35 AM
Subject: [EXTERNAL] [gpfsug-discuss] How to join GNR nodes to a non-GNR cluster
Sent by: gpfsug-discuss-boun...@spectrumscale.org
Hello everyone,
I have:
- A NetApp system with hardware RAID
- SpectrumScale 4.2.3-13 running on top of the NetApp
- A GL2 system with ESS 5.3.2.1 (Spectrum Scale 5.0.2-1)
What I need to do is to merge the GL2 in the other GPFS cluster (running on the NetApp) without loosing, of course, the RecoveryGroup configuration, etc.
I'd like to ask the experts
1. whether it is feasible, considering the difference in the GPFS versions, architectures differences (x86_64 vs. power)
2. if yes, whether anyone already did something like this and what is the best strategy suggested
3. finally: is there any documentation dedicated to that, or at least inspiring the correct procedure ?
Thank you very much,
Alvise Dorigo_______________________________________________
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