Archives/References for SPS Faraday Cage Timing

Vito Baggiolini AB/CO

after discussions withM. Arruat, J.-C. Bau, R. Billen, A. Butterworth, F. Follin,

B. Frammery, E. Hatziangeli, JJ Gras, M. Lamont, J. Lewis, L. Mestre, V. Paris, E. Roux, J. Wenninger

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Outline• Introduction

• Requirements– For Timing of SPS Faraday Cage– For general Archive/References in non-LSA machines

• Recommended solution

• Other solutions considered

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Background• The SPS Faraday Cage will use new (PS-style) timing

– New LTIM timing modules (FESA) – 250 LTIM instances

• SPS controls are being migrated to LSA– mostly controlled by LSA already in 2006

• Broader context: – New Console Manager does not yet have archives + references – Archiving of timings for SPS Faraday solves a similar need

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What are Archives/References• Archive = Snapshot

– Snapshot of a part or entire machine– Used to save and restore good settings– Many snapshots can be saved

• Reference = presently requested settings– Used to see whether an active setting is “at reference”– Monitored values are compared with references– Only one set of references exist

• Archives and References are related concepts– Maybe References are just a special Archive(?), at least at the

DB level

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Explanation of LSA System

DevicesDevices

TrimEditor

(Super)CycleGeneration

BeamSteering

OpticsViewer

LSA GUIs

…

TrimGeneration

HW driving Settings Mgt

Optics(Super)Cycles

LSA middle tier

server

Steering

LSADataBase

Client API

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Outline• Introduction

• Requirements– For Timing of SPS Faraday Cage– For general Archive/References in non-LSA machines

• Recommended solution

• Other solutions considered

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Requirements of Timing Crew• “Same functionality as archives and references provided

by X/Motif PS console manager”• Requirements for operational usage

– WorkingSets/Knobs to supervise and adjust timing parameters– Archives to save a snapshot of all timing devices for later restore– Possibility to compare values in equipment with archive values – PPM copy copy archive from one user to another– Reliable persistence in FESA

• Requirements for initial configuration of timing devices– JC Bau gets list of timing settings as Excel sheet– He needs to download them into devices and save them as

archive

• Currently, J.-C. Bau uses the Passerelle to download initial configuration to equipments, then copy to archive.

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PS-Style Archiving in X/Motif

Passerelle

ExcelSheet

1st set-up

Devices

WS/Knobs

Modificationsby OP

Archival /Restore

DirectoryService

DataBase

Archive Application

Config

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Requirements from SPS people• SPS-OP

– Jorg W. and Mike L. would like to put all settings into LSA sooner or later

– Paul C. advocates a solution for SPS that helps bringing SPS under LSA control

– SPS people are willing to accept WorkingSets/Knobs…… but they don’t find them user friendly to change many timings

– SPS responsibles want to forbid write access to equipment via Passerelle (in particular everything to do with Interlocks!)

• SPS-RF – Andy B. says that WorkingSets/Knobs are acceptable– With current RF timing application archives can be edited off-line

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Broader context: Archiving/References for non-LSA machines

• New Console Manager (responsible: Veronique)– Needs a solution for references/archives – X/Motif console manager stores these values in Directory Service– There must be a backward compatibility between X/Motif console

manager and new console manager• OP should not be forced to upgrade to new CMGR• Same archives/references required from X/Motif and new CMGR

• CO/DM point of view– The Directory Service should not contain operational settings

such as archives/references– DM is willing to provide scripts to convert data from old to new

(and back if necessary) – Ronny and Chris actively participate in LSA DB design

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Outline• Introduction

• Requirements– For Timing of SPS Faraday Cage– For general Archive/References in non-LSA machines

• Recommended solution

• Other solutions considered

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Recall: Archiving as of today

Devices

WS/Knobs

Passerelle

DirectoryService

DataBase

ExcelSheet

Archive Application

1st set-up

Modificationsby OP

Archival /Restore

Config

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Recall: LSA System

TrimGeneration

HW driving Settings Mgt

Optics(Super)Cycles

Devices

LSA middle tier

Server

TrimEditor

(Super)CycleGeneration

BeamSteering

OpticsViewer

Steering

LSA GUIs

LSADataBase

Devices

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Proposed solution for Start-up 2006

Settings MgtSettings

DataBase

Middle-tier serverbased on LSA

approach and codeDevices

WS/Knobs

Passerelle

ExcelSheet

Archive GUI

1st set-up

Modificationsby OP

DirectoryService

Archival /Restore

Config

Archive/Refs

Legend:

New development

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More Details• GUIs like current PS

– Java WorkingSets/Knobs to display references and archives– Archiving GUI to browse archives and to save and restore archives

• Archive/Reference middle-tier server – Based on small part of LSA technology – Data stored in LSA format– Not a full LSA control system

• Configuration of Archives as X/Motif (CO Directory Service)– Working Set group of devices that compose an archive– Knobs + Device Class descriptions properties to be saved

• Data synchronization functionality needed– Scripts to copy reference/archives from old tables (directory svc) to

new tables (LSA-format) and back

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How to avoid Passerelle in SPS

Settings MgtSettings

DataBase

Devices

WS/Knobs

Archive GUI Excel

Sheet

1st set-up

Modificationsby OP

Middle-tier serverbased on LSA

technology

DirectoryService

Archival /Restore

Config

Archive/Refs

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Analysis with Regard to Requirements• PS-Style GUIs

– Good for timing and PS-OP– Acceptable for SPS-OP and SPS-RF

• LSA-style storage easier future integration with LSA – Good for SPS-OP (easier migration towards full LSA control)– Good for CO/DM (separates configuration data from operational

settings)• Simple server based on LSA approach, not full LSA system

– Good for CO + LSA team (more time for more urgent LSA work) – Good for CO + PS: can be generalized to all non-LSA machines

(PS complex)• Possibility to avoid Passerelle with Excel DB link

– Good for SPS– Should be acceptable for Timing crew

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Work responsibilities (to be confirmed)• Archiving GUI CO/AP• Archiving layer inside Middle Tier CO/AP • Database design for archives CO/DM• Excel DB link CO/DM?• Scripts to copy archive data from old tables in Directory

Svc to LSA tables CO/DM• Configuration of WS/Knobs in directory service CO/HT• PPM Copy CO/FC• FESA persistence CO/FC

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Outline• Introduction

• Requirements– For Timing of SPS Faraday Cage– For general Archive/References in non-LSA machines

• Recommended solution

• Other solutions considered

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Same as X/Motif but in Java

Devices

WS/Knobs

Passerelle

DirectoryService

DataBase

ExcelSheet

Archive Application

1st set-up

Modificationsby OP

Archival /Restore

Config

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Assessment • Assessment

Instant backward compatibility for X/Motif and new console mgrStill operational settings in Directory ServiceNot sure to work for FESA devicesNot oriented towards future (LSA)

• Recommendation: discard

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All archives in LSA (including Timing)

TrimGeneration

HW driving Settings

Optics(Super)Cycles

Devices

TrimEditor

Steering

LSADataBase

Archive GUI

Archive/Refs

DirectoryService

Config

ExcelSheet

1st set-up

WS/Knobs

Read-Only

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Assessment• Assessment

Makes SPS-OP happy In-line with migrating SPS to LSACannot be used as archive/reference for new Console ManagerDoes not correspond to current working habits of timing sectionMore work than proposed solution

• Recommendation:– Solution to be pursued later for SPS– Other LSA work is more urgent

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Hybrid: full LSA + WorkingSets/Knobs

Devices

WS/Knobs

Archive Application Excel

Sheet

1st set-up

Modificationsby OP

DirectoryService

Archival /Restore

Config

LSADataBase

TrimGeneration

HW driving Settings

Optics(Super)Cycles

Steering Archive/Refs

Devices

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Assessment• Assessment based on LEIR experience

– Non-trivial mapping between LSA settings (SuperCycles, Cycles, BeamProcesses) and timing (users)

– We’ve found a solution for LEIR which needs to be generalizedPremature More complexBad compromise for SPS (Won’t make anyone happy)Cannot be used as archive/reference for new Console Manager

• Recommendation:– Study how new (PS-style) timing and LSA settings can be

seamlessly combined for all SuperCycle/Cycle configurations– To be pursued by LSA team…

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Conclusions• Recommendation for now:

PS-Style GUIs with simple archive/ reference server using small part of LSA code and DB tables– Best compromise for SPS Faraday Cage in 2006– Can be used for generalized archive/reference solution for

console manager

• In medium term, all SPS should be in LSA– Archives and References in LSA– Requirements of timing crew have to be further analyzed– More thoughts and experience are needed

• A hybrid solution will make nobody in SPS happy