Hi guys,
Fairly simple questions for you I'm sure, but never had to do it myself
so thought I'd get your input.
I am running a 5 node cluster with regular spinners and ssd journals at
the moment. Recently I threw in 1TB SSD per node and wanted to create a
pool that is purely the new SSDs. I found a few guides on how to do this
but none of them mention whether the required changes to the crush map
would affect my existing pool/data. If there is a "right" way of doing
this I would much appreciate it. This is a production cluster hence I
can not take any chances that my existing data would be compromised.
Thanks very much!
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