This scripted presentation is part of the Flash at the Price of Disk demand generation campaign set of assets. Key campaign assets on SalesEdge include: Solution Brief: Changing the economics of storage with Dell Compellent Flash-optimized solutionsBy chuck
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Tier-2 storage. A hardware view. HEP Storage. dCache needs feed and care although setup is now easier. DPM easier to deploy xrootd (as system) is also in the picture but no SRM dCache and DPM use DB for metadata (single point of failure) scalability is for T2 not much of an issue
About the need of 3 Tier storage. Dmitri Ozerov Patrick Fuhrmann. CHEP 2012, NYC, May 22, 2012. Partially evaluated by. Grid Lab. Content. Profile of a “large” WLCG Tier 2. Efficiency and performance of Storage Media. Replaying billing information. Simple cache filling mechanism.
Tier-1 Data Storage Challenges Extreme Data Workshop. Andrew Sansum 20 th April 2012. RAL Tier-1 in a Nutshell. Primary role – compute resources for LHC. Find Higgs etc Part of the global WLCG Grid (globally 386M jobs and 164PB disk in 2011) STFC grant to UK GRIDPP collaboration.
Tier 3 Storage Survey and Status of Tools for Tier 3 access, futures. Doug Benjamin Duke University. Tier 3 Storage Survey questions. What is the Name of your Institution ? 2. What sort of Storage technology do you use at your Tier 3? (please select all that apply)
Tier 0 + Tier 1s. All: MSS metrics Need instant real-time monitoring of throughput (and per day overview) and to view transfers per experiment (WAN in/out; LAN – WNs) Tools for site and grid NL-T1: Communication & SIRs Lack of tape drives (now installed) DMF tuning needed?
Tier. 2. Use of computer as a simulation tool. Statement of intent. Use of computer as simulation tool. It contain a series of closed problems with their solution. It is explained the assumption made, and the methods apply to solve them.
Tier 2/Tier 3 Refresher. Small Group. Supports for All Students. WRAPAROUND. Intensive Supports – Individualized interventions provided to students with most complex emotional and behavioral needs. Complex FBA/BIP. 1-5% 5-15% 80-90%. Brief FBA/BIP. Individualized CICO.
Entire System. Gradual Grade. Braking System. Avid BB7 Disc Brakes Controlled by bicycle brake handles 160mm discs Offers more control and less wear than rim brakes Easily adjustable braking force Wear items easily and inexpensively replaced Normal state is disengaged.