Description and scope of the service: Difference between revisions

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.

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 {| class="wikitable" style="background:#EEEEAA;"
 |+ '''BWDA Storage Classes'''
-! width="150"|Name !! width="100"|Max avg. access time !! Storage Location !! width="50"| # of copies !! comment
+! width="140"|Name !! width="130"|Max avg. access time !! width="150"|Storage technology !! width="50"| # of copies !! Price || Comment
 |-
-||Class 0||<10 seconds||disk only||1||na||high available RAID6/E2EDI
+||Class 0||less than10 seconds||disk only||1||tbd||high available RAID6/E2EDI
 |-
-||Class 1 - Standard||<10 minutes||disk cache in front of tape||1||disk buffer cache in front of tape large enough to hold a working set of the data to guarantee access times
+||Class 1 - Standard||less than 10 hours||tape only||2||tbd||regular archive storage comparable to Microsoft Azure and Amazon AWS
 |-
-||Class 2 - Premium||<10 hours||tape only||2||regular archive storage comparable to azure, 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||<10 hours||tape only||3||super safe storage. targeting 20 nines. Third location outside computer centre.
+||Class 3 - Premium Plus||less than 10 hours||tape only||3||tbd||super safe storage. targeting 20 nines. Third location outside computer centre.
 |-
 |}