View source for Description and scope of the service

The service for long time storage 'BWDA' offers the following storage classes:

{| class="wikitable"
|-
! " Name " !! Max avg. Access Time !! Storage Location !! # of copies !! physical separation !! comment
|-
||Class 1||<10 seconds||disk only||1||na||high available RAID6/E2EDI
|-
||Class 2||<10 minutes||disk cache in front of tape||1||na||disk buffer cache in front of tape large enough to hold a working set of the data to guarantee access times
|-
||Class 3||<10 hours||tape only||2||2 locations||regular archive storage comparable to azure, aws
|-
||Class 4||<10 hours||tape only||2||2 locations||super safe storage. targeting 20 nines. Second location with different technology
|-
|}

COS definitions
* 1 default (no resources)
* 0123 GridKa, 1 copy, size < ? GB 
* 1102 GHI
* 1103 GHI
* 1104 GHI Metadata
* 1205 Medium, 2 Copies, Size <  500 GB (Physical < 640 GB)
* 1204 Large,  2 Copies, Size < 2000 GB (Physical < 8000 GB)
* 1206 BioQuant, 2 copies, size < 10 GB (physical < 12 GB)
* 1302 Unknown
* 1303