Description and scope of the service: Difference between revisions

Revision as of 19:30, 30 May 2016

The service for long time storage 'BWDA' offers the following 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

@@ Line 15: / Line 15: @@
 |}
+{| class="wikitable" style="background:#EEEEAA;"
-COS definitions
+|+ '''COS definitions'''
-* 1 default (no resources)
+!#||Name||Sizing
-* 0123 GridKa, 1 copy, size < ? GB
+|-
-* 1102 GHI
+|1||default||no resources
-* 1103 GHI
+|-
-* 1104 GHI Metadata
+|0123||GridKa||1 copy, size < ? GB
-* 1205 Medium, 2 Copies, Size <  500 GB (Physical < 640 GB)
+|-
-* 1204 Large,  2 Copies, Size < 2000 GB (Physical < 8000 GB)
+|1102||GHI||managed
-* 1206 BioQuant, 2 copies, size < 10 GB (physical < 12 GB)
+|-
-* 1302 Unknown
+|1103||GHI||data
-* 1303
+|-
+|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||
+|}