Description and scope of the service

From Lsdf
Revision as of 19:35, 30 May 2016 by Jvw (talk | contribs)
BWDA Storage Classes
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
#|width="100"|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