Description and scope of the service

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BWDA Storage Classes
Name Max avg. access time Storage technology # of copies Price Comment
Class 0 <10 seconds disk only 1 tbd high available RAID6/E2EDI
Class 1 - Standard less than 10 hours tape only 2 tbd regular archive storage comparable to Microsoft Azure and Amazon AWS
Class 2 - Premium less than 10 minutes disk cache in front of tape 2 tbd disk buffer cache in front of tape large enough to hold a working set of the data to guarantee access times
Class 3 - Premium Plus less than 10 hours tape only 3 tbd super safe storage. targeting 20 nines. Third location outside computer centre.


COS definitions
# Name Sizing
1 default no resources
0123 GridKa 1 copy, size < ? GB
1102 GHI managed
1103 GHI data
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