Description and scope of the service: Difference between revisions

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|+ '''BWDA Storage Classes'''
|+ '''BWDA Storage Classes'''
! width="50"|Name !! width="100"|Max avg. access time !! Storage Location !! width="50"| # of copies !! width="75"|physical separation !! comment
! width="50"|Name !! width="100"|Max avg. access time !! Storage Location !! width="50"| # of copies !! width="75"|physical separation !! comment

Revision as of 19:33, 30 May 2016

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
# 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