I see some unclear documentation so I'd like to get full clarification on this. I see some how-to guides saying to power down an M-100 to replace a failed drive. However, adding drives to an M-series appliance makes no reference to this. The hardware guide also has an odd note about powering down for any maintenance, yet doesn't include that as a step between removing a drive from the RAID array on CLI and requesting to add the new one back. These are all on hot-swap bay slots and I've popped them out on a pre-prod system without any issue, but a teammate is telling me he always shuts it down prior to replacement. Oddly, the data sheet specifies that the power supplies are hot-swappable but does not say the same about the HDDs.
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