[lustre-discuss] Questions about upgrading

[Makia Minich]

Unsure what storage you're using for the targets, but the main thing in 
this is ensuring that those devices map the same after the swap so that 
they can come online the same.

On 10/8/2019 10:24 AM, William D. Colburn wrote:
> We have an MDS and 10 OSSes.  The MDS and six of the OSSes are running
> RHEL6.8 and 4 of the OSSes are runing RHEL6.9.  All of the machines have
> lustre-2.5.5 compiled against 2.6.32_642.6.2.el6 on them.
>
> We want to swap in operating system disks on all the servers to upgrade
> them to RHEL7.5 running lustre 2.12.2.  I'm on the verge of testing this
> using some VMs, but I figured I'd ask here as well.
>
> Can anyone tell me why this won't work?
>
> --Schlake
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--

Makia Minich
Chief Architect
System Fabric Works
"Fabric Computing that Works"

"Oh, I don't know. I think everything is just as it should be, y'know?" 
- Frank Fairfield