iiStore service to the Department of Computer Science (D-INFK) while IT Services of ETH Zurich runs the NAS service for the whole ETH Zurich. iiStore. See here for how to access your data there. iiStore to limit disk usage by individual users. See here for how to check your disk quota. Please contact your IT Coordinator (ITC) for more information. scratch space which is not backed up. Contact your ITC for more information. iiStore that was lost recenctly can be restored by its owner from the daily snapshots. Restore from tape backups can be performed by isginf for data not available in the snapshots anymore. ITS provides a home directory for every student on their NAS. This home directory is used on the student labs. here for how to check your disk quota.