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

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The service for long time storage 'BWDA' offers the following storage classes:
  
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|+ '''BWDA Storage Classes'''
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! width="140"|Name !! width="130"|Max avg. access time !! width="150"|Storage technology !! width="50"| # of copies !! Price || Comment
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|-
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||Class 0||less than10 seconds||disk only||1||tbd||high available RAID6/E2EDI
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|-
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||Class 1 - Standard||less than 10 hours||tape only||2||tbd||regular archive storage comparable to Microsoft Azure and Amazon AWS
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|-
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||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
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||Class 3 - Premium Plus||less than 10 hours||tape only||3||tbd||super safe storage. targeting 20 nines. Third location outside computer centre.
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|+ '''COS definitions'''
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! width="50"|# !! width="100"|Name !! Sizing
 
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|1||default||no resources
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! Name !! Max AVG. Access Time !! Storage Location !! # of copies !! physical separation !! comment
  
 
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|0123||GridKa||1 copy, size < ? GB
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||Class 1||<10 seconds||disk only||1||na||high available RAID6/E2EDI
  
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|-
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|1102||GHI||managed
 
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|1103||GHI||data
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||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
  
 
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|1104||GHI||Metadata
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||Class 3||<10 hours||tape only||2||2 locations||regular archive storage comparable to azure, aws
  
 
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|1205||Medium||2 copies, size < 500 GB (physical < 640 GB)
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||Class 4||<10 hours||tape only||2||2 locations||super safe storage. targeting 20 nines. Second location with different technology
  
 
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|1204||Large||2 copies, size < 2000 GB (physical < 8000 GB)
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|1206||BioQuant||2 copies, size < 10 GB (physical < 12 GB)
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|1302||Unknown||
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|1303||||
 
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COS definitions
  
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* 0123 GridKa, 1 copy, size < ? GB
 
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* 1102 GHI
  
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* 1103 GHI
  
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* 1104 GHI Metadata
  
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* 1205 Medium, 2 Copies, Size < 500 GB (Physical < 640 GB)
  
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* 1204 Large, 2 Copies, Size < 2000 GB (Physical < 8000 GB)
  
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* 1206 BioQuant, 2 copies, size < 10 GB (physical < 12 GB)
  

Latest revision as of 09:52, 10 August 2016

BWDA Storage Classes
Name Max avg. access time Storage technology # of copies Price Comment
Class 0 less than10 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
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