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Storage Types – Tier 2
NEW TIER 2 STORAGE IS CURRENTLY UNAVAILABLE
Tier 2 is built on the CEPH storage platform and utilizes virtual machines managed by OpenNebula to serve that storage via NFS and Samba. This technology provides high data redundancy, multiple access protocols, disaster recovery. Tier 2 also provides Globus transfer access.
This tier is not intended to be accessed directly from cluster compute jobs. It is typically used for general file sharing, SMB and NFS.
To request a new allocation or update exiting allocations
please refer to the Storage Service Center Document.
Tier 2 servers are located in our Boston and Holyoke datacenters. Depending on your workflow, you may want your lab’s Tier 2 storage to be located at one or the other. FAS Research Computing support staff can discuss with you which datacenter is right for your lab. See our Data Storage Service page for options.
Tier 2 does not offer user-accessible snapshots. If you accidentally delete a file from Tier 2 storage, there is no way to recover it. If you require user-accessible snapshots, please see Tier 1.
Disaster Recovery Information
Whole filesystem copies of Tier 2 block devices are currently maintained for disaster recovery purposes. These are are intended to allow FASRC to restore an entire filesystem/share in the event of catastrophic loss rather than allow access to individual files.
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