My question is what would be the purpose of the 300 GB instance store?
The AWS documentation describes it as storage that "...is located on disks that are physically attached to the host computer. Instance store is ideal for temporary storage of information that changes frequently, such as buffers, caches, scratch data, and other temporary content, or for data that is replicated across a fleet of instances, such as a load-balanced pool of web servers."
By default, this storage isn't even mounted and as far as I could see in the SolarWinds documentation there is no mention of what it's supposed to be used for.
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