George,
Coexistence either in the same cluster or across remote clusters is only supported with versions "N" and "N-1". 5.0.3 and 3.5 are "N" and "N-3", and this is not supported. If I recall, there is even logic in place that will prevent 5.x nodes from accepting connections from nodes running below 4.2 .
Felipe
----
Felipe Knop [email protected]
GPFS Development and Security
IBM Systems
IBM Building 008
2455 South Rd, Poughkeepsie, NY 12601
(845) 433-9314 T/L 293-9314
Felipe Knop [email protected]
GPFS Development and Security
IBM Systems
IBM Building 008
2455 South Rd, Poughkeepsie, NY 12601
(845) 433-9314 T/L 293-9314
----- Original message -----
From: Luke Raimbach <[email protected]>
Sent by: [email protected]
To: gpfsug main discussion list <[email protected]>
Cc:
Subject: [EXTERNAL] Re: [gpfsug-discuss] Compatibility question
Date: Thu, Nov 21, 2019 8:12 PM
That would make my eyes water and maybe fall out. Yours might too of you try it.Be very careful with v3 upgrades, especially going up to v5 directly.You will certainly run into RPC incompatibility problems with the v3 and v5 nodes running concurrently. Staying within the supported envelope of "one major version" difference will ease the raising of support tickets with IBM if you run into problems.Why can't you upgrade the clients?On Thu, 21 Nov 2019, 18:24 George Terry, <[email protected]> wrote:Hello,_______________________________________________
I have a question about compatibility between two different versions. I have a cluster with 6 gpfs nodes. 2 of them are NSD servers the other 4 are clientes nodes. I will upgrade the NSD servers from 3.5.0 to 5.0.3. Due to application's issues I cannot update the client nodes. So, my question is, can i have a cluster with client nodes with 3.5.0.7 version and the NSD nodes in 5.0.3 version with de filesystem in 3.5.0.7 (13.23) version?
Thanks for the support.George
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