[gpfsug-discuss] Compatibility question

[Luke Raimbach]

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, <gterryc at vmsupport.com> 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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