...
Note: Creating multiple volumes will consume your overall Block Storage quota. We recommend only creating a volume array for situations where the data would be otherwise hard to restore.
Table of Contents
Volume Affinity
When a volume is created in the Rapid Access Cloud, the Block Storage service provisions storage on an underlying storage server. If this storage server is ever taken offline due to hardware failure or maintenance, your volume will be unavailable. Similarly, if you create a volume array and the majority of volumes are all created on the same storage server, your entire array might become unavailable as well.
...