I need an extra drive for my OpenStack VM:

• See block storage

I need a POSIX filesystem shared across a small number of servers:

• See CephFS via Manila

I need storage which is accessible from lxplus, lxbatch, or the WLCG:

• See EOS

I need to share my files or collaborate with colleages:

• See CERNbox

I need HTTP accessible cloud storage for my application:

• See S3

I need to distribute static software or data globally:

• See CVMFS

I need to archive data to tape:

• See CASTOR