• 30021190@lemmy.cloud.aboutcher.co.uk
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    1 year ago

    T1 sites typically have replicas which usually get backed up on the experiment data to work with, T2 and T3 sites then get more local working copies that dont backup and are only kept as long as they need (as long as the delete cycle works).

    A small T3 is likely around 1PB of storage.