Operations Support for the
UK National Grid Service
http://www.grid-support.ac.uk
Andrew Richards (GOSC/NGS) – CCLRC, RAL
Provides Support…
•
Helpdesk support@grid-support.ac.uk
– first point of contact for requests and queries
– personally contactable during office hours
– provides access to technical expertise at all sites
•
Web information resource http://www.grid-support.ac.uk
– tutorials
– evaluation reports
– links to other resources
• + Other
…and Services
•
Certificate Authority for the UK e-Science programme
– issues X.509 digital certificates
– uses network of Registration Authorities (RA) to validate users
– Bi-monthly training course for RA operators
– see http://ca.grid-support.ac.uk/
•
National resource directory service
– Globus MDS + BDII Implementation for NGS
– holds published information on Grid-enabled resources
– National MyProxy Service – myproxy.grid-support.ac.uk
Monthly hits on w w w .grid-support.ac.uk
70000
60000
40000
30000
20000
10000
0
Jul01
Oct01
Jan02
Apr02
Jul02
Oct02
Jan03
Apr03
Jul03
Oct03
Jan04
Date
Monthly hits on ca.grid-support.ac.uk
6000
5000
4000
Number
Number
50000
3000
2000
1000
0
Jul01
Oct- Jan- Apr01
02
02
Jul02
Oct- Jan- Apr02
03
03
Date
Jul03
Oct- Jan- Apr03
04
04
Jul04
Apr04
Jul04
Certificates issued monthly per CA to date
es-Grid
UKHEP
eScience
250
Number Issued
200
150
100
50
0
Jul01
Oct01
Jan02
Apr02
Jul02
Oct02
Jan03
Date
Apr03
Jul03
Oct03
Jan04
Apr04
Jul04
User Registration (Process)
User Applies
Accepted
(Via Website)
(User Notified)
Application QC
User added
to NGS VO
(includes SRB account)
Application Submitted
to Peer Review Panel
Approved ?
Rejected
(User Notified)
User added
NGS-USER and
NGS-ANNOUNCE
Mailing lists
Production Status
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•
•
•
•
•
•
•
•
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TODAY
4 new core nodes operational
141 Users registered (41 since 1 September ’04)
Grid enabled – Globus v2 (VDT distribution v1.2) at present
BDII information service (GLUE + MDS Schemas)
Data Services – Oracle and SRB
Growing base of user applications
MyProxy and CA services provided by UK Grid Support Centre
VO Management Software – LCG-VO
User support: Helpdesk
•
•
•
•
•
Next…
Other Middleware [gLite/OMII etc…]
NGS Portal
Resource Broker
SRB pre-production service
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•
•
•
•
•
•
•
•
•
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Access Grid
Certification
Condor
ETF
For Information
General
GT2
GT3
GT4
Globus-MDS
GridFTP
•
•
•
•
•
•
•
•
•
•
•
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Internal
Maillist
Myproxy
NGS
OGSA-DAI
Project Registration
RA
Security
SRB
Support Notices
Training
Unicore
• Provide first point of contact support
• Contact point between other helpdesks
– Or provide helpdesk facilities for other sites
• Develop Support relationship with
technical expertise at sites
Possible ticket status and order for Helpdesk Tickets
Status
Agents Informed
User Informed
Request
New query submitted
Open
X
X
Stalled
X
X
Rejected
X
X
Agent Replied
X
User Replied
Resolved
Closed
Comment
X
Query number distributed
Agent email response
automatically informs user and
associated agents
User email response automatically
informs associated agents
X
X
Query answer
Can be reopened
Automated Workflow
•Default auto assignment
•Automatic escalation and business rules:
Rule
Description
Certificate Request
Subject contains Certificate, assign to Jianhua and Alex.
NGS rule
Subject contains NGS, assign to Rob and Andy.
Requests over 1 day old
Email notification to Andy, Jianhua and Alex.
Last edited over 2 days ago
Inform appropriate agents that query still active.
Follow up date reminder
Issue an email reminder to agent(s) if query follow up date set.
Close resolved queries
After 2 days change status from Resolved to Closed.
Close rejected queries
Automatically change status from Rejected to Closed.
Bugzilla reports
Forward bugzilla-daemon@mcs.anl.gov email to Xiao & close.
Query History
•An audit trail of all actions performed on a query can be viewed from the History button on
the Details screen.
•View Contact History on the Edit screen shows all queries associated with a user
Inter-Helpdesk Development e.g. GGUS
Helpdesk Plans
•Upgrade server to FootPrints v6.5, includes new user portal interface to access
knowledge base without logging in. Make server SSL-enabled i.e. https
•Explore use for other areas of e-Science eg GridPP, OMII
•Populate UKGSC knowledge base with additional solutions and FAQs.
•Publicise web interface to users and include web link in email notifications to users.
Note: Users logon to FootPrints with their email address and register a password.
•Create additional business rules to automate procedure and add reports to satisfy
SLAs etc.
•Review best practice for interactions with other e-Science helpdesk systems,
internally and externally (e.g. GGUS relationship)
GOSC Director
Neil Geddes: n.i.geddes@rl.ac.uk
NGS Grid Coordinator
Andrew Richards: a.j.richards@rl.ac.uk
Websites
http://www.grid-support.ac.uk
http://www.ngs.ac.uk
Helpdesk (via Grid Support Centre)
Email: support@grid-support.ac.uk
GOSC / NGS Websites
Demonstration…
• Main web sites
• http://www.grid-support.ac.uk
• http://www.ngs.ac.uk
• Support web sites
• http://ganglia.ngs.rl.ac.uk
Core services to facilitate collaborative (grid) computing – run by GOSC
•Authentication (PKI X509)
•Job submission/batch service
UK e-Science Cert.
•Resource brokering
gsi-ssh, globus-job-submit, condorG
•Authorisation
EDG-RB
•Virtual Organisation management
VOM/VOMS
•Certificate management
VOMS (+Grid3/EGEE)
•Information service
myProxy(++)
•Data access/integration services (SRB/OGSA-DAI/DQPS)
BDII/Glue
•National Registry (of registry’s)
•Data replication
? ETF ?
•Data caching
? EGEE ?
•Grid monitoring
? EGEE ?
•Accounting
EGEE/LCG + ETF +TeraGrid
EGEE/LCG/ETF/GGF
UK e-Infrastructure
Users get common access, tools, information,
Nationally supported services, through NGS
Regional and
Campus grids
Integrated
internationally
VRE, VLE, IE
LHC
ISIS TS2
HPCx + HECtoR
AA, Certification, VO
Plans, MyProxy…