Critical service list

Specification of Impact and Criticality of services for LHCb, as discussed and made generic over all VOs. For any more information please see the MB presentation in March '12

Impact definition in terms of services

LevelSorted ascending Definition
1 One "support" service disrupted
2 Some "support" services disrupted
3 One "support" service stops
4 Some "support" services stop
5 One Ops service disrupted
6 Some ops services disrupted
7 Most ops services disrupted
8 One ops service stops
9 Some ops services stop
10 Most ops services stop

Impact definition in terms of VO

Level Definition
10 Whole VO affected
8 users affected > 50 %
5 10 % < users affected <= 50 %
3 users affected <= 10 %
1 A single user affected

Criticality definition

i.e. time after the incident when the "full" impact is reached

Level Time (hours)
10 0
9 0.5
8 1
7 2
6 4
5 6
4 12
3 24
2 48
1 72

LHCb Services Classification

Service Criticality Impact
Px -> Computer Centre network 2 10
WLCG network (LHCOPN, GPN) 7 10
CERN Oracle online 10 10
CERN Oracle Tier-0 (including streaming) 3 10
Frontier front-end and Squid NA NA
CASTOR tape 2 8
CASTOR disk 6 8
EOS NA NA
Batch Service 5 6
CE 5 6
LFC 9 10
FTS 5 9
VOM(R)S 8 10
BDII 3 1
MyProxy 4 10
gLite WMS 4 6
CVMFS Stratum 0 6 6
CVMFS Stratum 1 1 5
Dashboard 1 1
SAM 4 2
VOBOXes 9 10
AFS 8 10
CAF 1 1
CVS/SVN 6 6
Twiki 6 6
Mail and Web service 9 10
Hypernews NA NA
Indico 8 9
Savannah / Jira / Trac 3 6

-- PhilippeCharpentier - 19-Oct-2011

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Topic revision: r4 - 2012-04-30 - StefanRoiser
 
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