Difference between revisions of "Description and scope of the service"
From Lsdf
m |
m |
||
| 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|| |
||
| + | |} |
||
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 |
| # | 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 |
