Tier 2 is the same archive storage that is available to the rest of MSI. Tier 2 allows Public sharing options for data.
Only use Tier 2 for unprotected data! Do not put dbGaP data or any other data covered by policy into Tier 2!
Move data between S3 Cache, S3 Secure, and Tier 2 using the mc or s3cmd commands on a VM
Stage data from Tier I (Panasas) into Tier 2 before pulling into VMs