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Multi-Terabyte EIDE Disk Arrays running Linux RAID5 [article]

D. A. Sanders, L. M. Cremaldi, V. Eschenburg, R. Godang, M. D. Joy, D. J. Summers University of Mississippi-Oxford,
2004 arXiv   pre-print
We report on tests of dual-processor Linux Software RAID-5 arrays and Hardware RAID-5 arrays using a 12-disk 3ware controller, in conjunction with 250 and 300 GB disks, for use in offline high-energy physics  ...  These RAID-5 disk arrays can be scaled to sizes affordable to small institutions and used when fast random access at low cost is important.  ...  (Cost: Base plus $2300 for a total of $3700 or about $1850/TB.) For Hardware RAID-5 we used twelve 250 GB Western Digital disks and the 3ware 12-disk RAID controller 7506-12 [12] .  ... 
arXiv:physics/0411188v1 fatcat:fzyrr4ikpndrznwmy6ur7xa5bq

Efficient Data Protection for Enterprise Data Centers

Khaled Aldossari
2015 International Journal of Computer Science & Information Technology (IJCSIT)  
RAID disk arrays, snapshot technology, storage mirroring, and backup and archive strategies all are methods used by many large organizations to protect their data.  ...  Some of these challenges include recovery objectives, data explosion, cost and the nature of data. The paper explores multiple methods of data protection at different storage levels.  ...  ACKNOWLEDGEMENTS The author would like to thank his colleagues in Saudi Aramco, Hussain Al-Raqa for his encouragement to write this paper and Edward Liu for his valuable comments.  ... 
doi:10.5121/ijcsit.2015.7112 fatcat:hflpwuq2yncn7awzksi6xc3hty

Database servers tailored to improve energy efficiency

Goetz Graefe
2008 Proceedings of the 2008 EDBT workshop on Software engineering for tailor-made data management - SETMDM '08  
Database software can be tailored for specific application domains and their required functionality, for specific hardware and its characteristics, or for other purposes.  ...  The opportunities go far beyond cost functions and general performance improvements.  ...  Rates for large industrial users are substantially lower (in a few places as low as 1¢/kWh [Q 07]), but if customer costs for power transformation, air conditioning, uninterruptible power supply, and their  ... 
doi:10.1145/1385486.1385494 fatcat:wzhgrlzefndabixa5lomnfzufe

United-FS: A Logical File System Providing a Single Image of Multiple Physical File Systems on NFS Server

Huan Chen, Yi Zhao, Jin Xiong, Jie Ma, Ninghui Sun
2007 2007 IEEE International Parallel and Distributed Processing Symposium  
This paper also compares the United-FS with the Software RAID system both from theoretical analysis and experiments.  ...  The results show that United-FS is much more flexible and its performance is better than Software RAID in most cases.  ...  For example, for those who need high data reliability, United-FS can dispatch the files to the system build on the hardware RAID devices but Software RAID can not do this.  ... 
doi:10.1109/ipdps.2007.370558 dblp:conf/ipps/ChenZXMS07 fatcat:h2mcha42g5gltd66u767r6sqke

Informatics in Radiology (infoRAD)

Brent J. Liu, H. K. Huang, Fei Cao, Michael Z. Zhou, Jianguo Zhang, Greg Mogel
2004 Radiographics  
A simple, low-cost, continuous-availability (CA) PACS archive server was designed and developed.  ...  In addition, the server is integrated with two external mass storage devices for short-and long-term storage.  ...  (c) low cost and easy implementation (12) (ie, system portability, scalability, and affordability).  ... 
doi:10.1148/rg.244035051 pmid:15256640 fatcat:btjpy4dqqnh2zj5pz4ls2xfhuy

Online data storage service strategy for the CERN computer Centre

G Cancio, D Duellmann, M Lamanna, A Pace
2011 Journal of Physics, Conference Series  
Particular emphasis is put on: -very high performance disk pools for analysis based on XROOTD[1] -lower latency archive storage using large, cost and power effective disk pools -more efficient use of tape  ...  The Data and Storage Services group at CERN is conducting several service and software development projects to address possible scalability issues, to prepare the integration of upcoming technologies and  ...  provided by a small fraction of additional hardware that is entirely managed in software. • Low cost hardware: CERN has a long tradition in buying low-cost hardware based on commodity components assembled  ... 
doi:10.1088/1742-6596/331/5/052006 fatcat:e6ukj5ny2nafhbx7md2ylfuda4

NSTX-U Control System Upgrades

K.G. Erickson, D.A. Gates, S.P. Gerhardt, J.E. Lawson, R. Mozulay, P. Sichta, G.J. Tchilinguirian
2014 Fusion engineering and design  
However, testing has shown this to be less intrusive than a full software solution using the mdadm Linux software RAID utility and more cost effective than a full hardware solution.  ...  There are several types, including GEN ALGORITHM for the algorithm itself, and GEN VECTOR for specifying some kind of input to an algorithm.  ... 
doi:10.1016/j.fusengdes.2014.04.069 fatcat:nrn66jvtlfbc5gj4rtpd2fbsvq

High Performance Virtual Backup and Archive System [chapter]

Dan Feng, Lingfang Zeng, Fang Wang, Peng Xia
2006 Lecture Notes in Computer Science  
Based on VTL, RAID-DP, and iSCSI, VBAS not only has the disk-file-system-like functions, but also retains the characteristics of tape library storage, thus achieving a good tradeoff between cost and performance  ...  VBAS maintains security on the files and provides the management for fragmentation. Moreover, VBAS can support large-scale file systems.  ...  functions. (2) Low cost compared with simple disk-based system. (3) Some finer functions integrated both RAID and the tape library.  ... 
doi:10.1007/11758532_88 fatcat:qnzvn5rxencmxbixr2xtj4xwdm

A project on high performance I/0 subsystems

R. H. Katz
1989 SIGARCH Computer Architecture News  
, have yielded high-density hard disk assemblies at very low costs.  ...  Relying on new ideas in operating system for file caching and I/O buffering, and exploiting the arrival of low-cost disks, we plan to demonstrate significant factors of improvement in performance and reliability  ... 
doi:10.1145/71302.71305 fatcat:k6djflganjfh7i5766znekcfea

DASH: a Recipe for a Flash-based Data Intensive Supercomputer

Jiahua He, Arun Jagatheesan, Sandeep Gupta, Jeffrey Bennett, Allan Snavely
2010 2010 ACM/IEEE International Conference for High Performance Computing, Networking, Storage and Analysis  
We present here an overview of the design of DASH, an analysis of its cost efficiency, then a detailed recipe for how we designed and tuned it for high data-performance, lastly show that running data-intensive  ...  DASH uses commodity parts including Intel® X25-E flash drives and distributed shared memory (DSM) software from ScaleMP®.  ...  We would like to credit our science collaborators Peter Nugent and Janet Jacobsen of the Berkeley Lab for the description about PTF presented in section IVB, and also thank them for sharing with us the  ... 
doi:10.1109/sc.2010.16 dblp:conf/sc/HeJGBS10 fatcat:e4kb3h6utfg2vnf6xyuu3fsf7i

Storage Optimization for Energy-Saving Based on Hypergraph in Cloud Data Center

Xudong Chen, Baomin Xu
2015 International Journal of Database Theory and Application  
The experimental results show that the proposed algorithm has certain advantages such as fault tolerance and availability of data blocks.  ...  Also, the energy efficiency is better than CS-k algorithm in the same operating environment.  ...  We could replace hardware devices and purchase more cost-effective low power CPU and energy-saving hard disk for reducing power consumption.  ... 
doi:10.14257/ijdta.2015.8.4.29 fatcat:nt2tsnewl5fbze2csrtle4ftsi

Design of Simple and High Speed Scheme to Protect Mass Storages [chapter]

Ming-Haw Jing, Yan-Haw Chen, Zih-Heng Chen, Jian-Hong Chen, Yaotsu Chang
2010 Data Storage  
Suitability for co-design: The proposed algorithm is suitable for both hardware and software designs of the modules in the applications of RS codes by using the finite field.  ...  complexity and performance in hardware design such as the Berlekam-Massey algorithm, Euclidean algorithm, and Peterson-Gorenstein-Zierler (PGZ) algorithm (Wicker, 1995) .  ... 
doi:10.5772/8870 fatcat:5jq6va7n7bgdba5srf4jiotqdm

On the Use of GPUs in Realizing Cost-Effective Distributed RAID

Aleksandr Khasymski, M. Mustafa Rafique, Ali R. Butt, Sudharshan S. Vazhkudai, Dimitrios S. Nikolopoulos
2012 2012 IEEE 20th International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems  
Our system utilizes low-cost, strategically placed GPUs -both on the client and server sides -to accelerate parity computation.  ...  In contrast to hardware-based approaches, we provide full control over the size, length and location of a RAID array on a per file basis, end-to-end data integrity checking, and parallelization of RAID  ...  ACKNOWLEDGMENT This paper is based upon work supported in part by the National Science Foundation under Grants CCF-0746832, CNS-1016793, and CNS-1016408.  ... 
doi:10.1109/mascots.2012.59 dblp:conf/mascots/KhasymskiRBVN12 fatcat:6d6mme7djzfg7jcrsnbr6jxwhq

Block-Split Array Coding Algorithm for Long-Stream Data Compression

Qin Jiancheng, Lu Yiqin, Zhong Yu
2020 Journal of Sensors  
Besides, CZ-Array is concise and fits the hardware parallel implementation of sensors.  ...  To solve this problem, this paper proposes a block-split coding algorithm named "CZ-Array algorithm," and implements it in the shareware named "ComZip."  ...  Both RAID and lz4 are concise, but RAID was not used for the compression before, and lz4 has small data windows and a low compression ratio. We are arranging our work in data coding research.  ... 
doi:10.1155/2020/5726527 fatcat:pxdckyy6tjfwzdexenccxhprni

AN FPGA-BASED CLOUD STORAGE GATEWAY

2016 Scientific Bulletin of Naval Academy  
Cloud storage solutions are known for their scalability, stability and easy integration.  ...  The paper proposes such a solution, based on FPGA technology, that will provide seamless access and encryption for data that is stored off-premises.  ...  Depending on the hardware setup, a device may or may not have software modules for media access control -modules 1 and 4.  ... 
doi:10.21279/1454-864x-16-i2-059 fatcat:du6zbet5u5airp3cfh3a7vw7wu
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