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CERN-IT/DB
After-C5 Presentation
EDMS Service Migration
Monica Marinucci LopezOctober 4th 2002
EDMS Document: 341082
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 2
CERN-IT/DB
Overview
BackgroundNew system studyFinal solutionPlan
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 3
CERN-IT/DB
EDMS Service
Engineering Data Management ServiceIt provides the necessary tools and the support
for the creation and implementation of the Quality Assurance Plans needed to LHC machine and experiments
In the near future: it will have a larger scope as a data management system
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 4
CERN-IT/DB
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 5
CERN-IT/DB
Current EDMS Cluster
DEC based cluster (AS4100+DS20)Storage (HSZ70, 80GB mirrored) Mix of home-made and vendor applicationsData under Oracle (2-node SUN Cluster, 18GB)Shared responsibility amongst
EST/ISS IT/ PS IT/ DB
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 6
CERN-IT/DBCurrent EDMS infrastructure
EDMS Cluster
Central Database Cluster
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 7
CERN-IT/DB
Current EDMS Service diagram
OPS
OPS
CADIM, File Server, iAS
EDMS Cluster Central Database Cluster
HA service Shared service
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 8
CERN-IT/DB
Reasons for the migration
HP/Compaq/Digital architecture will not be supported by IT in the future
Increase in the use of Oracle based tools (ie iAS and https support, MP5)
General system performance improvementCentralization and rationalization of EDMS
service
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 9
CERN-IT/DB
Possible Solutions
Two 2-node clusters
Current central database cluster + a new EDMS cluster
One 3-node cluster
Merge of current central database cluster and a new EDMS cluster
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 10
CERN-IT/DB
Solutions Pro-Cons
Two 2–node clusters Cheaper purchase of a
new EDMS cluster Simpler migration
High-Maintenance cost over the next years
Overload in the cluster administration
One 3-node cluster Enhance EDMS db
performance and integration
Cheaper maintenance cost Single cluster
administration
More expansive purchase of new EDMS cluster
More complex migration
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 11
CERN-IT/DB Solution: one 3-node cluster
Sun Fire V880
T3BWG
8-port Switch
To the Backbone
FC 100MB/s
Private Network: Gbit Ethernet
Public Network
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 12
CERN-IT/DB
New EDMS Service Infrastructure
Nodes: 3 SUN V880 with 2 UltraSparc III CPUs at 750 MHz, 4GB memory, 6 internal disks
Storage: 2 SUN T3 WorkGroup with 324 GB mirrored
Interconnections: 2 Qlogic FiberChannel 8-
port Switches (for T3WG)
2 Gbit Ethernet Switches (for the private network)
Public Network: on Gbit Ethernet
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 13
CERN-IT/DB
Advantages
Integration: EDMS service + Database services
High-Availability Administration: 1 cluster
instead of 2 clusters + OEM Scalability: possible to add 1
node Performance: database and
networking
Storage: more space Costs (see next slide) Test Platform: the old
current Public database cluster
Expertise: SUN Solaris + 2-node cluster
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 14
CERN-IT/DB
Costs (Purchase + Maintenance)
Total cost (in thousands Swiss Francs)
2*2nodes 1*2 nodes+1node 1*3nodes 1*3 nodes+1node
2005
2004
2003
2002
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 15
CERN-IT/DB
Future EDMS Service diagram
HA services
Shared serviceOPS
CADIM, File Server
OPS OPS
iAS
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 16
CERN-IT/DB
So far …
Hardware is installed and testedA first SUN cluster software installation is
available for testing: Fail-over mechanisms Coexistence of HA services and OPS (Oracle
Parallel Service) Stability
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 17
CERN-IT/DBFuture EDMS infrastructure
V880 V880
T3WG
Switches
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 18
CERN-IT/DB
Experience
Some issues related to SUN certification of the requested configuration
Eventually we are satisfied of the outcome and SUN support
Tests run so far are satisfactory, but coexistence amongst different services requires more work and understanding
Other service might be included
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 19
CERN-IT/DB
Migration Plan (1/2)
Cluster installation and certification
Mainly SUN 1 week
Software Installation + Porting of existing services + High-Availability tests
IT/DB (with IT/PS collaboration)
2 months
Database migration IT/DB 1 month
Application Server migration IT/DB 1 month
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 20
CERN-IT/DB
Migration Plan (2/2)
EDMS + ACCDB/CERNDB1 databases merge
IT/DB Sometime 2003
Tentative production: 1st Quarter 2003
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 21
CERN-IT/DB
Responsibilities
Currently (until migration is completed)
IT/PS: Hardware + OS + Cluster + CADIM + File Server + License Server + correspondent data safety
IT/DB: EDMS database and related application server + Oracle data safety
EST/ISS: EDMS Development
Future IT/DB: Hardware + OS +
Cluster + File Server + License Server + EDMS database and related application server + data safety
IT/PS: CADIM Client Support
EST/ISS: EDMS Development
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 22
CERN-IT/DB
Conclusions
The new EDMS service will merge the existing central database cluster and the current EDMS cluster
More responsibility within IT/DB Tentative production date is 1st Q 2003
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 23
CERN-IT/DB
Before the questions:
Thanks to my colleagues: In IT/DB: Catherine, Montse, Eric and Nilo In IT/PS: Ignacio, Manuel, Nils In EST/ISS: Thomas, Christophe, Stephan
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After-C5: EDMS Service MigrationOctober 4th 2002
EDMS ID: 341082
M. Marinucci Lopez 24
CERN-IT/DB
Questions & Answers