Quarterly report version v0 1
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Quarterly report version v0.1. London Tier-2 Quarter 4 2005 Olivier van der Aa. Current site status data. To Update based on the SFT history. Local network connectivity is that to the site SE

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Quarterly report version v0 1

Quarterly report version v0.1

London Tier-2

Quarter 4 2005

Olivier van der Aa


Current site status data

Current site status data

To Update based on the SFT history

  • Local network connectivity is that to the site SE

  • It is understood that SFT failures do not always result from site problems, but it is the best measure currently available.

Quarterly report: London Tier 2


All gridpp resources

All GridPP Resources

To Update based on the SFT history

  • The GridPP-Tier-2 MoUs made reference to integrated CPU over the 3 years of GridPP2. Under the “Promised – integrated kSI2K hours until this quarter” an estimate is provided of what the Tier-2 would have expected to provide to this quarter on the basis of planned installations. “Static kSI2K” shows what would currently be expected if all purchases planned to this quarter had been made and implemented. The actual columns show what has been delivered.

  • The Promised Integrated kSI2K days is computed on a 92 day basis (Oct,Nov,Dec). Integrated KsI2K days=KSI2K(Promised CPU)*92+Integrated KSI2K days(last report)

  • The Actual Integrated KSI2K days (AKSI2KD) is computed as: AKSI2KD=KSI2K(Actual CPU)*(Number of Days SFT OK)+AKSI2KD(Last report)

Quarterly report: London Tier 2


Lcg resources

LCG resources

Estimated for LCG: Not clear how to obtain.

Numbers are from previous report

1) The estimated figures are those that were projected for LCG planning purposes:

http://lcg-computing-fabric.web.cern.ch/LCG-Computing-Fabric/GDB_resource_infos/Summary_Institutes_2004_2005_v11.htm

2) Current total job slots are those reported by EGEE/LCG gstat page.

Quarterly report: London Tier 2


Vos supported by site

VOs supported by site

Quarterly report: London Tier 2

X = supported


Cpu used per vo over quarter ksi2k hours

CPU used per VO over quarter (KSI2K hours)

  • Information currently available from APEL

  • http://goc.grid-support.ac.uk/gridsite/accounting/tree/gridpp_view.php- please note these pages are

  • still under development!

  • NB2: couldn’t get these to agree with the normalised CPU hours on the next slide!!!

Quarterly report: London Tier 2


Usage by vo for tier 2

Usage by VO for Tier-2

Numbers of Jobs per VO: http://surl.se/affm

Numbers of KSI2K Hours: http://surl.se/affo

Quarterly report: London Tier 2


Storage resources in use per vo gb

Storage resources in use per VO (GB)

To update

Difficult to provide this for the period but we can at least show *current* usage. Numbers need to be provided by site

Admins (> du – sh) but this will change under dCache.

Quarterly report: London Tier 2


Cpu usage by vo ksi2k hours

CPU Usage by VO (KSI2K hours)

Nb: This can be extracted from APEL –

http://goc.grid-support.ac.uk/gridsite/accounting/custom.php (http://surl.se/affr)

Quarterly report: London Tier 2


Usage by vo jobs

Usage by VO (jobs)

Nb: This can be extracted from APEL http://surl.se/affq

Quarterly report: London Tier 2


Progress over last quarter

Progress over last quarter

Quarterly report: London Tier 2


Tier 2 risks

Tier-2 risks

  • Here “risk” is any significant event (which has a reasonable chance of occurring) that could potentially prevent the Tier-2 from meeting its project commitments. For example, not getting expected funding to fund equipment/infrastructure is a reasonable risk whereas loss of all staff is not.

Quarterly report: London Tier 2


Tier 2 planning for next quarter

Tier-2 planning for next quarter

  • Improve LT2 site efficiency

    • Monitor more closely the job efficiency in each site

    • Improve support. Finalize the Service Level Agreement document for the LT2. Top priority

  • SC4: Finalize SRM installation and LFC. Transfer tests between T1-LT2 and inter site transfer tests.

  • Test of the 2.7.0 release and upgrade.

    • Will test the RB component.

Quarterly report: London Tier 2


Objectives and deliverables for last quarter

Objectives and deliverables for last quarter

Quarterly report: London Tier 2


Objectives and deliverables for next quarter

Objectives and deliverables for next quarter

  • With the current DPM-dCache transfer rate problem we will have to make DPM-DPM transfer to achieve acceptable rates

Quarterly report: London Tier 2


Meetings papers effort

Meetings, papers & effort

For Tier-2 coordinator:

Quarterly report: London Tier 2


Summary outlook

Summary & outlook

Conclusion Summary from last quarter

  • SRM installed in most LT2 sites

  • Target to bring online all available hardware is achieved. See Brunel and LeSC.

  • VO support enhanced with the atlas software installed in all T2 sites.

    Essential Targets

  • Finalize the SRM deployment, with a tight schedule.

  • Prepare the SLA document to enhance the speed of solving software problems in the lt2.

  • Continue the SC4 transfer tests.

Quarterly report: London Tier 2


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