1 / 6

ALICE DAQ Plan of work during LS1

ALICE DAQ Plan of work during LS1. Infrastructure. Racks: Present racks are problematic for recent machines (non-standard mechanical tolerances and rails positions) Possibly exchange some racks, or all New CIAT racks come with more powerful cooling doors (needed for GDCs and TDSs) KVM:

zita
Télécharger la présentation

ALICE DAQ Plan of work during LS1

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ALICE DAQPlan of work during LS1

  2. Infrastructure • Racks: • Present racks are problematic for recent machines (non-standard mechanical tolerances and rails positions) • Possibly exchange some racks, or all • New CIAT racks come with more powerful cooling doors (needed for GDCs and TDSs) • KVM: • Replace KVM solution (close to end-of-life) • Power: • No change inside racks (new PDUs should already be in place) • Exchange Hazemeyer distribution rack ? • UPS ? • Fibres: • 6 new DCAL SMs plus 2-1/3 SMs - 18 fibers for DAQ, 18 fibers for HLT • Tasks (DAQ + TC) • Racks installation • Power • Impact • No DAQ when intervention on infrastructure June 2012

  3. DAQ Network • Network: • Major change: • Replace central router (heavy weight objects: need special transport) • Change the cabling structure (lots of cabling to be done) • Router: use of the IT network frame contract. Central network F10 router replaced by a Brocade • Testing of the Brocade has started • Tasks (DAQ team + Transport): • Order the Brocade router • Install new router • Remove CAT5 cabling • Install fibers from router to racks (10Gbps uplinks) • Install top-of-rack switches • Impact: • No DAQ during when intervention on network June 2012

  4. Computing equipment • Computers • Replacement of a large fraction of the readout computers (LDCs) • Other old machines to be replaced (ACR PCs and screens) • Testing of replacement models has started • Remove 'old' machines • Out-of-warranty machines can be used for labs • Storage • Replace old FC switches • Replace old disk arrays with a new and more compact model • Tasks (DAQ team): • Finish testing • Market survey and price enquiry (possibly joining forces with IT) • Order equipment • Install equipment • Impact: • Reduced DAQ when intervention on computing June 2012

  5. Services needed during LS1 • Logbook: • Must be always available • Move it to Meyrin site whenever needed • ACR: • What has to be available and when (DCS e.g.) • DAQ system to support detectors activities: • Long CR1 downtimes unavoidable. • May try to ensure minimal services (e.g. central servers only). • Needs to be prepared in advance • Will not be always possible • Need input on when/what this will be required • Re-commissioning: when ? Testing and validation exercises involving multiple projects (CTP, DAQ, ECS, HLT, DCS, Offline...) June 2012

  6. AOB • Protections needed in CRs and ACR during other interventions: • Power glitches/losses • Cooling interruptions • Mechanical interventions (dusting, moving, pulling...) • ACR • Re-allocation of resources (RC/TC driven) • New equipment needed (apart from the PCs): • Projector • Printers • Screens (less & bigger?) • Anti-static protections • Large screens (still OK, how long more will they work?) June 2012

More Related