READIT - 2009 - Indira Gandhi Centre for Atomic Research

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Users LAN switch Library Server SAN Fabric Layer (Fiber channel) SAN Device With RAID firmware Storage Devices through Storage Access Network (SAN) Layer An iSCSI is basically the SCSI disk control protocol over IP (internet protocol). It is also like a SAN, iSCSI is a dumb-bag-of-bit, and the client that owns a block of data is responsible for its management. It is inexpensive storage device and price ranges between NAS and SAN. 3. PARALLEL PROCESSING TECHNOLOGY Few factors are considered while designing the knowledge warehouse. i) Speed up – The ability to execute the users request on the large amount of data in less time. ii) Scale up – The ability to obtain the better performance on the user’s request as the data base size increases. The data from the library warehouse will be accessed and processed by many people simultaneously. This brings in the need for good at processing and parallel systems. Clusters improve performance and/or availability over that of a single computer, and much more cost-effective than single computers of comparable speed or availability. High-Availability (HA) clusters are implemented for improving the availability of services. The HA cluster should have at least two nodes, to provide redundancy when failure occurs. HA cluster implementations attempt to use redundancy of cluster components to eliminate single points of failure. High Performance Computing (HPC) clusters are implemented for improving the performance of the CPU throughput. Hence scientific computing, structured analysis, modeling software and weather forecasting systems use HPC clusters.
Symmetric Multi Processing (SMP) Servers and Clusters, come under highly available and highly reliable systems for fewer prices. SMP provides the parallel processing mechanism with shared disk space and shared memory concept. Each processor reaches the shared memory through a common bus. Communication between the processors occurs through common memory. Disk controllers are accessible to all processors. The knowledge warehousing technique can be employed in the SMP clusters. Since a variety of users and knowledge users are involved in the library system the architecture should be capable to hold all types of parallel transactions. SMP clusters Provides high concurrency. User can run many concurrent requests with the better workload balances. SMP gives scalable performance to fulfill the user or analyst need. Core 1 Core 2 Core 1 Core 2 Core 1 Core 2 L2 Cache L2 Cache L2 Cache CPU CPU CPU Common Bus Knowledge Shared Memory Warehouse data SMP Architecture Access gateway Depositing Query Processing Downloading Knowledge warehouse for Library A knowledge staff in the library can deposit or store the exact files to the warehouse hard disk through a gateway. The files can be of different formats like document files, video, audio and image files of different sizes. Query processing is for analysis and report generation. This is done by the management to take the necessary decision. A user or users at the desktop can download a required file. These are some of the actions which are taking place regularly in the knowledge warehousing. All these operations may occur simultaneously and the requests are sent to the CPU scheduler. The scheduler checks the availability of the free CPU and the job is allocated to that CPU. So the jobs are served in a parallel manner there will not be a big queue in the scheduler. Most of the current database software can parallelize a large number of operations. These operations include mass loading of data, full table search, queries with exclusion conditions, multiple queries, selection with distinct values, aggregation, sorting, creation of tables using sub queries, creating and rebuilding indexes, inserting rows into a table from other tables, enabling constraints, star transformation and so on. Remarkable list of operations can be processed in parallel with the DBMS. SMP cluster provides parallel processing which in turn improves performance for query processing, data loading and downloading compared to the single processing. The scalability option, allows the addition of CPUs and memory modules without any change to the existing application. Fault tolerance enables the availability of database even when some
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National Conference on Recent Advan
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Foreword The 7th biennial national
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access to information resources. RF
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Organising Committee READIT-2009 Ch
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Invited Presentations: CONTENTS Ses
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C. Jaykumar, E. Soundararajan, V. R
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Session-I: Semantic Web Technologie
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Proceedings of READIT-2009, Kalpakk
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Session-III: Open Source Solutions
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Session-IV: Knowledge Management Pr
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totally around Internet protocols a
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Linux has been under continuous dev
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Page 153 and 154: Proceedings of READIT-2009, Kalpakk
Page 163 and 164: upon by indwelling and is the basis
Page 165 and 166: new, and its combination of new ide
Page 167 and 168: o Knowledge: Both explicit and taci
Page 169 and 170: Knowledge Management Practices in L
Page 171 and 172: To these paraphrases of Macintosh
Page 173 and 174: (iii) Healthy interactions among pr
Page 175 and 176: 9. CONCLUSION Knowledge management
Page 177 and 178: Ontologies define a common vocabula
Page 179 and 180: to have an environment that allows
Page 181 and 182: CDPS PC System Based SS-I SS-II RAA
Page 183 and 184: Preservation of Manuscripts with Sp
Page 185 and 186: - (Many more) 3 Chemical Factors a.
Page 187 and 188: 6.2.2 Software The Softwares requir
Page 189 and 190: 7.1.3 Current Work As the above pro
Page 191 and 192: Treatment process 7.2.6 Drying Afte
Page 193 and 194: Before Editing & Cropping After Edi
Page 195 and 196: Knowledge Management - An Organizat
Page 197 and 198: 5. KNOWLEDGE MANAGEMENT ACTIVITIES
Page 199 and 200: Management System and is made avail
Page 201 and 202: Services 3.0 make it easier than ev
Page 203: ecover data when a disk fails and r
Page 207 and 208: Knowledge management practice in li
Page 209 and 210: 3. KNOWLEDGE MANAGEMENT: SOME DEFIN
Page 211 and 212: It is to create a set of effective
Page 213 and 214: REFERENCES 1. Banka Bihari Chand (2
Page 215 and 216: 2 Fig : 1. Five ‘ C ‘ Model Kn
Page 217 and 218: 4 Knowledge acquisition is the star
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Page 221 and 222: 8 Knowledge sharing is enhanced by
Page 223 and 224: 10 sharing, and creating a map of
Page 225 and 226: 12 10. REQUIRED SKILLS AND CAPABILI
Page 227: 14 Wireless Communication, Networki
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READIT - 2009 - Indira Gandhi Centre for Atomic Research

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