building a distributed file system strategy

A Fast File System for UNIX

A Fast File System for UNIX

... the additions and changes that have been made to the facilities that are available to programmers The original UNIX system that runs on the PDP-11† has simple and elegant file system facilities File ... fragments and a single unused fragment This remaining fragment can be allocated to another file as needed Space is allocated to a file when a program does a write system call Each time data is written ... the allocated space The problem with expanding a file one fragment at a a time is that data may be copied many times as a fragmented block expands to a full block Fragment reallocation can be minimized...

Ngày tải lên: 12/09/2012, 14:16

14 1K 0
Tài liệu Real-World ASP.NET—Building a Content Management System pptx

Tài liệu Real-World ASP.NET—Building a Content Management System pptx

... components and metacontent in one place makes them easier to maintain, track, and find It also provides a more secure way of storing your data Having your data localized means you have a smaller area ... known as personalization (Chapter covers personalization in more detail.) You can also see that the left side of the page is made up of a navigation bar You can find navigation bars (NavBars) ... personal preferences and navigational habits Personalization is a major reason why many people return to a Web site At one time, seeing her name on a Web page was all that was needed for a user...

Ngày tải lên: 10/12/2013, 14:15

405 717 1
Tài liệu Distributed File System pdf

Tài liệu Distributed File System pdf

... 290 MaIT Education Institution Vào Administrative Tools å Distributed File System Trong h p tho i Distributed File System, click chu t ph i m c Distributed File System ch n New Root MaIT Education ... http://forum.mait.vn Module 70 – 290 MaIT Education Institution t o thêm m t Target th cho liên k t DATA, ta click chu t ph i Link DATA å New Target MaIT Education http://www.MaIT.vn Trong h p tho i New Target ... Online MaIT Education http://www.MaIT.vn 16 cho s Replication c a Target u tiên c a Target Server DATA å Properties c di n nhanh, ti n hành ch nh ch cao nh t Click chu t ph i liên k t MaIT Education...

Ngày tải lên: 17/12/2013, 04:15

19 564 2
Xây dựng hệ thống lưu trữ tập trung trên nền tảng distributed file system windows server 2008

Xây dựng hệ thống lưu trữ tập trung trên nền tảng distributed file system windows server 2008

... Dynamic Host Configuration Protocol – DPM Data Protect Manager , MS SQL DFS Distributed File System DNS Domain Name System FTP File Transfer Protocol GAN Global Area Network HTTP Hypertext Transfer ... Internet Control Message Protocol IGMP Internet Group Management Protocol IMAP Internet Message Access Protocol LAN Local Area Network MAC Medium Access Control MAN Metropolitan Area Network Sinh viên: ... sử dụng đ a IP đ a phải chuyển đổi sang đ a MAC tương ứng Giao thức phân giải đ a (ARP: Address Resolution Protocol) chuyển đổi đ a IP thành đ a MAC.Một vùng nhớ cache lưu trữ đ a MAC tăng tốc...

Ngày tải lên: 17/12/2013, 20:53

79 526 1
Tài liệu Part 46 - Upgrade Server 2008 - Distributed File System - DFS ppt

Tài liệu Part 46 - Upgrade Server 2008 - Distributed File System - DFS ppt

... File Server Distributed File System Trong c a sổ Create a DFS Namespace bạn chọn Create a namespace later using the DFS Management snap-in in Server Manager tiến hành cài đặt of 20 Sau hoàn tất ... Start -> Programs -> Administrative Tools -> DFS Management để bắt đầu tiến trình cấu hình DFS cho hệ thống Trong hình DFS Management nhấp phải vào Namespaces chọn New Namespace để tạo đ a chia ... chia sẻ of 20 Tại Namespace Server bạn nhấp Browse Và Add PC01 vào Màn hình sau hoàn tất of 20 Nhấp Yes Tại c a sổ Namespace Name and Settings bạn đặt tên chia sẻ ví dụ đặt Data Tiếp túc nhấp vào...

Ngày tải lên: 23/01/2014, 06:20

20 683 6
Tài liệu Part 46 - Upgrade Server 2008 - Distributed File System - DFS doc

Tài liệu Part 46 - Upgrade Server 2008 - Distributed File System - DFS doc

... File Server Distributed File System Trong c a sổ Create a DFS Namespace bạn chọn Create a namespace later using the DFS Management snap-in in Server Manager tiến hành cài đặt of 20 Sau hoàn tất ... Start -> Programs -> Administrative Tools -> DFS Management để bắt đầu tiến trình cấu hình DFS cho hệ thống Trong hình DFS Management nhấp phải vào Namespaces chọn New Namespace để tạo đ a chia ... chia sẻ of 20 Tại Namespace Server bạn nhấp Browse Và Add PC01 vào Màn hình sau hoàn tất of 20 Nhấp Yes Tại c a sổ Namespace Name and Settings bạn đặt tên chia sẻ ví dụ đặt Data Tiếp túc nhấp vào...

Ngày tải lên: 27/01/2014, 12:20

20 347 0
Tài liệu Panache: A Parallel File System Cache for Global File Access ppt

Tài liệu Panache: A Parallel File System Cache for Global File Access ppt

... interface and employs a fully parallelizable design, enabling applications to saturate available network and compute hardware Panache can also mask fluctuating WAN latencies and outages by acting as ... metadata operations on the gateway nodes Finally, we run a parallel visualization application and a Hadoop application to analyze Panache with an HPC access pattern 7.1 Experimental Setup All ... allowing asynchronous metadata updates, Panache allows data and metadata updates at local speeds and also masks remote cluster failures and network outages In Panache asynchronous operations consist...

Ngày tải lên: 19/02/2014, 18:20

14 636 0
tiểu luận distributed file system

tiểu luận distributed file system

... (2/10)  NameNode meta-data: • Toàn meta-data lưu nhớ • Các meta-data bao gồm: Danh sách tập tin Danh sách block tập tin Danh sách DataNode block • Nhật ký giao tác: tháo tác tạo, x a tập tin, ... đầu DataNode kết nối với NameNode thực “bắt tay” (hand-shake) • Mục đích để xác minh namespace ID software version DataNode 24 HDFS – Kiến trúc (10/10)  DataNode – heartbeat: DataNode gửi heartbeat ... 3 Map reduce Hadoop distributed file system Hadoop (1/3) Hadoop distributed file system Map Reduce • Hadoop dự án Apache, tất thành phần tồn thông qua quyền nguồn mở Apache • Hadoop cung cấp...

Ngày tải lên: 07/04/2014, 21:03

31 493 7
scheiber, s. f. (2001) building a successful board-test strategy (2nd ed.)

scheiber, s. f. (2001) building a successful board-test strategy (2nd ed.)

... machine, fixture, and test-program updates ensure that everyone is measuring the same parameters in the same way Otherise, boards will fail that should pass, and vice versa, and available data ... specifies a 0" as less than 0.8 volts Based on that specification, a parametric measurement a logic low at 0.81 volts would fail Yet will the system actually not perceive a oltage of 0.81 as a clean ... in ace, and when the board handler picked the board up, all of the components om that machine slid off Even a casual human visual inspection revealed at the board was bad, and the pattern of failures...

Ngày tải lên: 18/04/2014, 12:32

350 605 0
Báo cáo hóa học: "Research Article On Building a Cooperative Communication System: Testbed Implementation and First Results" pptx

Báo cáo hóa học: "Research Article On Building a Cooperative Communication System: Testbed Implementation and First Results" pptx

... M A Khamsi, and S Samadi, “Asymptotically regular mappings in modular function spaces,” Scientiae Mathematicae Japonicae, vol 53, no 2, pp 295–304, 2001 21 O Kada, T Suzuki, and W Takahashi, ... the American Mathematical Society, vol 38, no 2, pp 286–292, 1973 13 T Husain and E Tarafdar, “Fixed point theorems for multivalued mappings of nonexpansive type,” Yokohama Mathematical Journal, ... various definitions of contractive mappings,” Transactions of the American Mathematical Society, vol 226, pp 257–290, 1977 A H Siddiqi and Q H Ansari, “An iterative method for generalized variational...

Ngày tải lên: 21/06/2014, 20:20

9 278 0
cấu hình distributed file system (dfs) trên windows server 2003

cấu hình distributed file system (dfs) trên windows server 2003

... Nhập vào tên Active Directory Domain (đối với domain root) hay Server Name (đối với standalone root) kích Next (Trong phần lại sử dụng Standalone root cho DFS Sự khác hai loại đồng AD không ảnh ... Wizard trợ giúp bạn tạo DFS root Kích Next hình Welcome để bắt đầu Tiếp theo New Root Wizard yêu cầu bạn l a chọn tạo Standalone Root hay Domain Root Sau kích Next Một Domain root sử dụng Active ... sử dụng Active Directory (AD) để lưu trữ thông tin DFS; Nó cho phép thông tin DFS đồng với AD, đồng thời cho phép DFS root tài nguyên chia sẻ đồng qua trang Một Standalone root lưu trữ thông tin...

Ngày tải lên: 04/07/2014, 23:20

3 402 1
Cấu hình Distributed File System (DFS) trên Windows Server 2003 pdf

Cấu hình Distributed File System (DFS) trên Windows Server 2003 pdf

... kích Details để hủy chọn thành phần DFS thứ Vào Start | All Programs | Administrative Tools Chọn Distributed File System 6 Tại ô bên trái snap-in DFS, kích phải chuột nút Distributed File System ... yêu cầu bạn l a chọn tạo Standalone Root hay Domain Root Sau kích Next Một Domain root sử dụng Active Directory (AD) để lưu trữ thông tin DFS; Nó cho phép thông tin DFS đồng với AD, đồng thời ... miền môi trường AD miền tin cậy khác Nếu chọn Standalone, bạn nhập vào tên máy chủ tài nguyên Nhập vào tên Active Directory Domain (đối với domain root) hay Server Name (đối với standalone root)...

Ngày tải lên: 14/08/2014, 12:20

6 326 2
E-DTS 2.0: A NEXT-GENERATION OF A DISTRIBUTED TRACKING SYSTEM

E-DTS 2.0: A NEXT-GENERATION OF A DISTRIBUTED TRACKING SYSTEM

... quality camera calibration is key Because of this, there are various techniques and methods available that provide camera calibration In most camera based calibration techniques and methods calibration ... improvements in camera calibration can be made with the assistance of a tool provided by Cal Tech [11] This tool in conjunction with MatLab allows for a more accurate camera calibration As a tracked object ... provide an accurate tracking estimate as to the current location of the object This camera communication is done over a local area network (LAN) and allows for the sharing and propagation of tracking...

Ngày tải lên: 24/08/2014, 10:54

88 299 0
Building a risk management system at Ho Chi Minh City investment fund for urban development (HIFU)

Building a risk management system at Ho Chi Minh City investment fund for urban development (HIFU)

... by five major professional associations in the United States as below: The American Accounting Association – AAA The American Institute of Certified Public Accountants - AICPA Financial Executives ... and participated in financial market in accordance with Law Last but not least, an important aspect of LDIFs is that they operate as a profit making commercial entity While assisting in the acceleration ... Fund has received many technical assistances as well as finance assistance from some foreign organizations as World Bank (WB), United States Trade and Development Agency (USTDA), Agence Francaise...

Ngày tải lên: 24/11/2014, 00:12

91 326 0
A distributed decision support system for building evacuation 2009

A distributed decision support system for building evacuation 2009

... building graph and a calculation of the shortest paths by using Dijkstra’s algorithm An evacuee becomes aware of a hazardous area when it reaches a location close to it This triggers an update in ... hazard A low value indicates that the system has succeeded in directing the evacuees along safe paths, avoiding the hazardous locations • Percentage of fatally injured evacuees This is a straightforward ... evacuation The actors that take part in the simulation are modeled as agents Each one has its own health model and movement model that depend on the individual characteristics of the actors and...

Ngày tải lên: 07/12/2013, 11:41

8 410 0
The Design and Implementation of a Log-Structured File System

The Design and Implementation of a Log-Structured File System

... separate data area of these database systems means that they not need the segment cleaning mechanisms of the Sprite LFS to reclaim log space The space occupied by the log in a database system can ... the most up to date ‘‘truth’’ about the state of the data on disk The main difference is that database systems not use the log as the final repository for data: a separate data area is reserved ... simulates the actions of a cleaner until a threshold number of clean segments is available again In each run the simulator was allowed to run until the write cost stabilized and all coldstart variance...

Ngày tải lên: 12/09/2012, 15:05

15 1,4K 0
Tài liệu Building a monitoring system into your scripts ppt

Tài liệu Building a monitoring system into your scripts ppt

... statically I have also included a small installer program that will add the necessary database and tables for testing the application All database access is done through the Pear::DB interface ... brian@phparch.com Editorial Team Arbi Arzoumani Brian Jones Eddie Peloke Peter James Marco Tabini Graphics & Layout Arbi Arzoumani, William Martin Managing Editor Emanuela Corso Authors Greame ... relationships are doable in two clicks and a drag Many-to-many relationships require a comparable amount of work, but automatically create the association mapping table, which saves a fair bit of...

Ngày tải lên: 17/01/2014, 18:20

71 505 0
Tài liệu Building a RISC System in an FPGA ppt

Tài liệu Building a RISC System in an FPGA ppt

... signals are the system clock (CLK), next memory address (AN15:0), next access is a read (READN), next access is 16-bit data (WORDN), address clock enable: above signals are valid, start next access ... The xr16 assembler reads one or more assembly files and emits both image and listing files The lexical Z,N,V ,A 15 analyzer reads the source Control unit Datapath Result[15:0] characters and recognizes ... effective address) Careful design and reuse will let you minimize the datapath area because the adder, with the immediate mux, can the effective address add, and the PC incrementer can also add branch...

Ngày tải lên: 26/01/2014, 14:20

7 401 3
Tài liệu Building a RISC System in an FPGA Part 2 docx

Tài liệu Building a RISC System in an FPGA Part 2 docx

... code that includes a load IL and a branch IB Each causes pipeline headaches Issue 117 April 2000 MEMORY ACCESSES The processor has a single memory port for reading instructions and loading and storing ... RNA RA RD EXRD 15 DC: add sub addi lw lb sw sb jal DC: all rr, ri format DC: call EX: all but call EX: call RNB When RB RD EXRD 15 of nanoseconds from the system s critical path It’s a nice example ... PC0 += 2×disp8 BRANCH SELPC PCCE It indicates that all pipe stages are ready and the pipeline can advance IF jal call AN ← PC0 = SUM PCCE PCE is asserted when RDY signals IFreset AN ← PC0 = SELPC...

Ngày tải lên: 26/01/2014, 14:20

7 390 2
w