Difference between revisions of "Description and scope of the service"

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|+ '''BWDA Storage Classes'''
 
|+ '''BWDA Storage Classes'''
! width="150"|Name !! width="100"|Max avg. access time !! Storage Location !! width="50"| # of copies !! comment
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! width="150"|Name !! width="100"|Max avg. access time !! width="50" # of storage locations !! width="50"| # of copies !! comment
 
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||Class 0||<10 seconds||disk only||1||na||high available RAID6/E2EDI
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||Class 0||<10 seconds||disk only||1||high available RAID6/E2EDI
 
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||Class 1 - Standard||<10 hours||tape only||2||regular archive storage comparable to Microsoft Azure and Amazon AWS
 
||Class 1 - Standard||<10 hours||tape only||2||regular archive storage comparable to Microsoft Azure and Amazon AWS

Revision as of 19:51, 30 May 2016

BWDA Storage Classes
Name Max avg. access time width="50" # of storage locations # of copies comment
Class 0 <10 seconds disk only 1 high available RAID6/E2EDI
Class 1 - Standard <10 hours tape only 2 regular archive storage comparable to Microsoft Azure and Amazon AWS
Class 2 - Premium <10 minutes disk cache in front of tape 2 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 <10 hours tape only 3 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