[gpfsug-discuss] A net new cluster

[Mark Bush]

So I have an ESS today and it's nearing end of life (just our own timeline/depreciation etc) and I will be purchasing a new ESS.  I'm working through the logistics of this.  Here is my thinking so far:
This is just a big Data Lake and not an HPC environment

Option A
Purchase new ESS and set it up as a new cluster
Remote mount old cluster and copy data (rsync or AFM)

Option B
Purchase new ESS and set it up to join the old cluster same filesystems
Evacuate old NSDs and expel Old nodes

Option C
Purchase new ESS and set it up as a new cluster
Point all new data to new cluster and age out old cluster over time (leverage TCT or Archive)


Any/All feedback welcome

Mark

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