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

Revision as of 19:31, 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

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-The service for long time storage 'BWDA' offers the following storage classes:
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+|+ '''BWDA Storage Classes'''
-|-
 ! width="50"|Name !! width="100"|Max avg. access time !! Storage Location !! width="50"| # of copies !! width="75"|physical separation !! comment
 |-
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 |}
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 |1206||BioQuant||2 copies, size < 10 GB (physical < 12 GB)
 |-
-|1302||Unknown
+|1302||Unknown||
 |-
-|1303||
+|1303||||
 |}