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MOAT004 1 Eprint Cs.DC/0306067 Computing in High Energy and Nuclear Physics, 24-28 March 2003, La Jolla, California Resources
Computing in High Energy and Nuclear Physics, 24-28 March 2003, La Jolla, California The AliEn system, status and perspectives P. Buncic Institut für Kernphysik, August-Euler-Str. 6, D-60486 Frankfurt, Germany and CERN, 1211, Geneva 23, Switzerland A. J. Peters, P.Saiz CERN, 1211, Geneva 23, Switzerland In preparation of the experiment at CERN's Large Hadron Collider (LHC), the ALICE collaboration has developed AliEn, a production environment that implements several components of the Grid paradigm needed to simulate, reconstruct and analyse data in a distributed way. Thanks to AliEn, the computing resources of a Virtual Organization can be seen and used as a single entity – any available node can execute jobs and access distributed datasets in a fully transparent way, wherever in the world a file or node might be. The system is built aroun d Open Source components, uses the Web Services model and standard network protocols to implement the computing platform that is currently being used to produce and analyse Monte Carlo data at over 30 sites on four continents. Several other HEP experiments as well as medical projects (EU MammoGRID, INFN GP -CALMA) have expressed their interest in AliEn or some components of it. As progress is made in the definition of Grid standards and interoperability, our aim is to interface AliEn to emerging products from both Europe and the US. In particular, it is our intention to make AliEn services compatible with the Open Grid Services Architecture (OGSA). The aim of this paper is to present the current AliEn architecture and outline its future developments in the light of emerging standards. -
Release 0.5.0 Will Mcgugan
PyFilesystem Documentation Release 0.5.0 Will McGugan Aug 09, 2017 Contents 1 Guide 3 1.1 Introduction...............................................3 1.2 Getting Started..............................................4 1.3 Concepts.................................................5 1.4 Opening Filesystems...........................................7 1.5 Filesystem Interface...........................................7 1.6 Filesystems................................................9 1.7 3rd-Party Filesystems.......................................... 10 1.8 Exposing FS objects........................................... 10 1.9 Utility Modules.............................................. 11 1.10 Command Line Applications....................................... 11 1.11 A Guide For Filesystem Implementers.................................. 14 1.12 Release Notes.............................................. 16 2 Code Documentation 17 2.1 fs.appdirfs................................................ 17 2.2 fs.base.................................................. 18 2.3 fs.browsewin............................................... 30 2.4 fs.contrib................................................. 30 2.5 fs.errors.................................................. 32 2.6 fs.expose................................................. 34 2.7 fs.filelike................................................. 40 2.8 fs.ftpfs.................................................. 42 2.9 fs.httpfs.................................................. 43 2.10 fs.memoryfs.............................................. -
Jordan Hubbard Apple Computer, Inc. Oh Really?
*BSD is dying - Anonymous Coward, Slashdot ©1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Jordan Hubbard Apple Computer, Inc. Oh really? Let’s look at some stats... FreeBSD Users: 2.5 Million Server Installations (Netcraft) 2,500,000 1,875,000 1,250,000 625,000 0 1993 1997 2001 2003 2004 12 Mac OS X Users: 9 6 3 0 12 Million Jul '01 Oct '01 Jan '02 Apr '02 Jul '02 Oct '02 Jan '03 Apr '03 Jun '03 Oct '03 Oct '04 Applications: FreeBSD ports 12,000 9,000 6,000 10,796 9,662 3,000 6,077 2,723 1,161 0 209 1995 1997 1999 2001 2003 2004 Applications: 12,000 Mac OS X Native 12,000 9,000 6,000 3,000 0 Apr '01 Jul '01 Oct '01 Jan '02 Apr '02 Jul '02 Oct '02 Jan '03 Apr '03 Jun '03 Oct '03 Oct '04 Since the arrival of Mac OS X, BSD has become the biggest desktop UNIX variant on the planet. Yes, even bigger than Linux Take that, Anonymous Coward! Selective overview of Mac OS X Mac OS X Architecture Applications User Interface Application Frameworks Graphics and Media System Services OS Foundation Apple Confidential OS Foundation Usermode BSD Commands and Usermode User FileSystem Libraries Drivers Kernel BSD Kernel IOKit Driver FileSystem Network Families Process Management Drivers Mach Kernel VM Scheduling IPC Open Source “Darwin” base OS Foundation Usermode BSD Commands and Usermode User FileSystem Libraries Drivers Kernel BSD Kernel IOKit Driver FileSystem Network Families Process Management Drivers Mach Kernel VM Scheduling IPC BSD Kernel • FreeBSD 5.1 based (networking, vfs, filesystems, etc) • Unified Buffer Cache (different -
Kernel (Linux): Windows Assimilation, Wake-On-LAN, AMD and Intel
Published on Tux Machines (http://www.tuxmachines.org) Home > content > Kernel (Linux): Windows Assimilation, Wake-on-LAN, AMD and Intel Kernel (Linux): Windows Assimilation, Wake-on-LAN, AMD and Intel By Rianne Schestowitz Created 26/11/2020 - 7:11am Submitted by Rianne Schestowitz on Thursday 26th of November 2020 07:11:12 AM Filed under Linux [1] Tuxera First to Bring Network Bandwidth-Saving SMB Compression Feature to Linux Environments[2] Tuxera First to Bring Network Bandwidth-Saving SMB Compression Feature to Linux Environments[3] Tuxera, a world-leader in quality-assured storage management and networking software, announced that the company's SMB server implementation, Fusion File Share by Tuxera, now offers transparent compression to platforms outside of Microsoft Windows. Compression is being rapidly and widely adopted in the storage industry as a feature in memory hardware, file system implementations, and also networking protocols such as Microsoft's server messaging block technology (SMB). The ability to compress files inline during transfer can significantly reduce bandwidth and transfer time. Microsoft released the transparent compression feature to their SMB protocol specification in early 2019. However, Tuxera is the first to implement SMB compression outside of Microsoft Windows, bringing this highly in-demand feature to Linux environments in enterprises around the world. Wake-on-LAN [4] With Wake-on-LAN (WoL) it can be slightly easier to manage machines in-house. You can fire up the workstation and start the day?s compile jobs (to catch up with overnight work by the KDE community, say) while drinking an espresso downstairs and doomscrolling. [...] If all the administrative bits are in place, then the simple way to wake up a machine is wake <hostname>. -
Canvio Connect II Capacity to Connect
Personal Storage Portable Hard Drives Canvio Connect II Capacity to connect 3 2.5 2 1 500 2.5” external hard drive TB TB TB TB GB Glossy piano finish available in 5 colours Color SuperSpeed USB 3.0 port USB-powered The Canvio Connect II is a smart storage solution that will soon Backup software become your favourite data companion. Not only do you get up to 3 TB of portable storage, backing up your files also is a breeze, thanks NTFS driver for Mac® included to the pre-installed NTI® Backup Now EZ™ software. An NTFS driver for Mac® is included as well so you can use the Canvio Connect II on both Windows PC and Apple Macintosh platforms. And all this is packed into a solid, stylish enclosure – available in five colours – that fits in the palm of your hand. Manual Firmware & Driver 201702-UM_CONNECTII_V11508.pdf FW_CANVIO_CONNECT_V11508.zip Product Specifications Backup Software NTI® Backup Now EZ™ Mac NTFS compatibility driver Tuxera NTFS for Mac® Box Content Canvio Connect II Max. transfer rate ~ 5.0 Gbit/s NTI® Backup Now EZ™ software Power USB bus power (max. 900mA) (pre-loaded) Tuxera NTFS for Mac® driver System requirements Windows 10 / Windows 8.1 / software (pre-loaded) Windows® 7; USB 3.0 micro-B cable Apple® macOS 10.12+, OS X Quick Start Guide 10.11, 10.10, 10.9, 10.8, Mac OS X User‘s manual (pre-installed on 10.7, 10.6.6 - 10.6.8; the hard drive) CPU with 750 MHz or faster, 10 Warranty leaflet MB system hard disk space, 256 MB system memory, one free port Dimensions 500 GB, 1 TB: 78 × 109 × 14mm of USB 3.0 or USB 2.0 2 TB, 2.5 TB, 3 TB: 78 × 109 × 19.5 mm" Weight (approx.) 500 GB, 1 TB: 165 g 2 TB, 2.5 TB, 3 TB: 230 g Enclosure Glossy piano finish File system NTFS (MS Windows) *The drive can be re-formatted to HFS+ file system for full Mac® compatibility. -
Creating User-Mode Device Drivers with a Proxy Galen C
Creating User-Mode Device Drivers with a Proxy Galen C. Hunt [email protected] Department of Computer Science University of Rochester Rochester, NY 14627-0226 Abstract Writing device drivers is complicated because drivers operate as kernel-mode programs. Device drivers have Writing Windows NT device drivers can be a daunting limited access to other OS services and must be task. Device drivers must be fully re-entrant, must use conscious of kernel paging demands. Debugging only limited resources and must be created with special kernel-mode device drivers normally requires two development environments. Executing device drivers machines: one for the driver and another for the in user-mode offers significant coding advantages. debugger. User-mode device drivers have access to all user-mode libraries and applications. They can be developed using Device drivers run in kernel mode to optimize system standard development tools and debugged on a single performance. Kernel-mode device drivers have full machine. Using the Proxy Driver to retrieve I/O access to hardware resources and the data of user-mode requests from the kernel, user-mode drivers can export programs. From kernel mode, device drivers can full device services to the kernel and applications. exploit operations such as DMA and page sharing to User-mode device drivers offer enormous flexibility for transfer data directly into application address spaces. emulating devices and experimenting with new file Device drivers are placed in the kernel to minimize the systems. Experimental results show that in many number of times the CPU must cross the user/kernel cases, the overhead of moving to user-mode for boundary. -
File Organization and Management Com 214 Pdf
File organization and management com 214 pdf Continue 1 1 UNESCO-NIGERIA TECHNICAL - VOCATIONAL EDUCATION REVITALISATION PROJECT-PHASE II NATIONAL DIPLOMA IN COMPUTER TECHNOLOGY FILE Organization AND MANAGEMENT YEAR II- SE MESTER I THEORY Version 1: December 2 2 Content Table WEEK 1 File Concepts... 6 Bit:... 7 Binary figure... 8 Representation... 9 Transmission... 9 Storage... 9 Storage unit... 9 Abbreviation and symbol More than one bit, trit, dontcare, what? RfC on trivial bits Alternative Words WEEK 2 WEEK 3 Identification and File File System Aspects of File Systems File Names Metadata Hierarchical File Systems Means Secure Access WEEK 6 Types of File Systems Disk File Systems File Systems File Systems Transactional Systems File Systems Network File Systems Special Purpose File Systems 3 3 File Systems and Operating Systems Flat File Systems File Systems according to Unix-like Operating Systems File Systems according to Plan 9 from Bell Files under Microsoft Windows WEEK 7 File Storage Backup Files Purpose Storage Primary Storage Secondary Storage Third Storage Out Storage Features Storage Volatility Volatility UncertaintyAbility Availability Availability Performance Key Storage Technology Semiconductor Magnetic Paper Unusual Related Technology Connecting Network Connection Robotic Processing Robotic Processing File Processing Activity 4 4 Technology Execution Program interrupts secure mode and memory control mode Virtual Memory Operating Systems Linux and UNIX Microsoft Windows Mac OS X Special File Systems Journalized File Systems Graphic User Interfaces History Mainframes Microcomputers Microsoft Windows Plan Unix and Unix-like operating systems Mac OS X Real-time Operating Systems Built-in Core Development Hobby Systems Pre-Emptification 5 5 WEEK 1 THIS WEEK SPECIFIC LEARNING OUTCOMES To understand: The concept of the file in the computing concept, field, character, byte and bits in relation to File 5 6 6 Concept Files In this section, we will deal with the concepts of the file and their relationship. -
Demystifying the Microsoft Extended File System (Exfat)
HTCIA International Conference September 20-22, 2010 Atlanta, GA Demystifying the Microsoft Extended File System (exFAT) Robert Shullich CPP, CISSP, CISM, CISA, CGEIT, CRISC, GSEC, GCFA September 20th, 2010 1 Agenda About Me Why a new file system Forensics Relevance Features Advantages Timelines Support Limits ItInternal s September 20th, 2010 2 About Me I have been in the IT field for 35+ Years, and in InfoSec for over 15 Years I carry many IT and InfoSec certifications This research was part of a term project for a forensics class for my masters in Forensic Computing I then expanded the term paper into a practical paper for my SANS GCFA certification A link to the SANS paper and my blog is at the end of this presentation September 20th, 2010 3 Why do we need a new file system? Current Limits Exhausted Larger volumes (>2TB) Largg()er files sizes (>4GB) Faster I/O (UHS-1: 104 MB/2 - UHS-2: 300MB/s) Removable Media Flexibility Extensibility NTFS Features without the overhead September 20th, 2010 4 Relevance to Forensics Study Digital Evidence Extraction Finding the evidence Including the hiding places Validation Daubert Expert Testimony Need to know and understand file org New Media (SD Cards) will drive exFAT adoption, and the potential for CP investigations. September 20th, 2010 5 What happens when you have exFAT fddidAformatted media and no exFAT support ? September 20th, 2010 6 Forensics Challenges Linux OS Support Tuxera drivers may help Mac OS Support Open Source Tools Commercial Tools Encase -
Mobiililaitteen Tallennusmuistin Laajentaminen Ja Suorituskyky
Opinnäytetyö AMK Tieto- ja viestintätekniikka MICTIS15 2017 Petteri Hanhimäki MOBIILILAITTEEN TALLENNUSMUISTIN LAAJENTAMINEN JA SUORITUSKYKY OPINNÄYTETYÖ AMK | TIIVISTELMÄ TURUN AMMATTIKORKEAKOULU Tieto- ja viestintätekniikka, tietotekniikka 2017 | 86 sivua Tiina Ferm Petteri Hanhimäki MOBIILILAITTEEN TALLENNUSMUISTIN LAAJENTAMINEN JA SUORITUSKYKY Monien kannettavien laitteiden tallennusmuisti on rajallinen. Eri käyttötarkoitusten asettamien suorituskykyvaatimukset täyttävän tallennusmuistin tunnistaminen on hankalaa. SD-muistikortit ovat tuettuja useimmissa älypuhelimissa ja taulutietokoneissa. SD-muistikorttien standardi määrittelee nopeusluokituksen. Mikäli muistikorttia tai laajennusmuistia käytetään monipuolisesti, on muistien suorituskyvystä oltava tarkempaa tietoa. Näiden ongelmien ratkaisemiseksi tässä opinnäytetyössä paneuduttiin tallennusmuisti- ratkaisuihin ja suorituskyvyn mittaamiseen sekä riittävän suorituskykyisen muistin tunnistamiseen. Tallennusmuistien väliset erot pyrittiin löytämään kokeilemalla eri mittaustapoja käyttäviä sovelluksia sekä tavallista käyttöä kuvaavia testejä. Opinnäytteessä tutkittiin eri vaihtoehtoja tallennusmuistin laajentamiseksi sekä muistikorttien merkintöjä ja niiden vastaavuutta todelliseen suorituskykyyn. Suorituskyvyn mittaamisessa käytettiin eri suorituskykysovelluksia eri mobiililaitteessa. Testattujen SD-muistikorttien välillä ilmeni suuria suorituskykyeroja. Sisäisen tallennusmuistin ja lisätyn SD-muistikortin välillä ilmeni suorituskykyeroja. Hankittavan tallennusmuistin lisäksi suorituskykyyn -
Pyfilesystem Documentation Release 2.0.21
PyFilesystem Documentation Release 2.0.21 Will McGugan May 12, 2018 Contents 1 Introduction 3 1.1 Installing.................................................3 2 Guide 5 2.1 Why use PyFilesystem?.........................................5 2.2 Opening Filesystems...........................................5 2.3 Tree Printing...............................................6 2.4 Closing..................................................7 2.5 Directory Information..........................................7 2.6 Sub Directories..............................................8 2.7 Working with Files............................................8 2.8 Walking..................................................9 2.9 Moving and Copying...........................................9 3 Concepts 11 3.1 Paths................................................... 11 3.2 System Paths............................................... 12 3.3 Sandboxing................................................ 12 3.4 Errors................................................... 13 4 Resource Info 15 4.1 Info Objects............................................... 15 4.2 Namespaces............................................... 15 4.3 Missing Namespaces........................................... 17 4.4 Raw Info................................................. 18 5 FS URLs 19 5.1 Format.................................................. 19 5.2 URL Parameters............................................. 20 5.3 Opening FS URLS............................................ 20 6 Walking 21 6.1 Walk -
SD Formatter 3.0 User's Manual (English)
SD Card Formatter 5.0.1 User’s Manual Version 1.04 September 4, 2018 SD Card Association SD Card Formatter 5.0.1 User’s Manual Version 1.04 Revision History Date Version Changes compared to previous issue Jun. 30, 2017 1.00 First release Jan. 15, 2018 1.01 Updated operating system supported versions Updated operating system supported versions May. 30, 2018 1.02 Added information related to new Format Size Adjustment feature Jun. 13, 2018 1.03 Updated SD Card Formatter version Sept. 4, 2018 1.04 Added note concerning overwrite format ©Copyright 2010-2018 SD Association 1 SD Card Formatter 5.0.1 User’s Manual Version 1.04 Publisher and copyright holder of this document SD Card Association 2400 Camino Ramon, Suite 375 San Ramon, CA 94583 USA Telephone: +1 (925) 275-6615, Fax: +1 (925) 886-4870 E-mail: [email protected] Disclaimers Downloading or using the SD Card Formatter is required to agree on the “End User License Agreement” shown in the SDA website when downloading the SD Card Formatter as well as when installing the application. Copyright holder of SD Card Formatter 5.X.X Tuxera Inc. owns copyright of the SD Card Formatter 5.X.X programs for both the source code and object code. Trademark Notice SD Logo, SDHC Logo and SDXC Logo are trademarks of SD-3C LLC. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Mac and macOS are trademarks of Apple Inc., registered in the U.S. -
Disruptive Trends in Automotive Software Development
Disruptive Trends in Automotive Software Development Automotive Line of Business (LoB) Daniel Bernal IVI & Digital Cockpit Platform Manager © 2017 Arm Limited 23 Aug 2018 Explosion in SW development by OEMs, Tier 1s The modern premium vehicle Over 100 ECUs Approx. 100M SLOC Article source: https://www.linkedin.com/pulse/20140626152045-3625632- car-software-100m-lines-of-code-and-counting/ 2 © 2017 Arm Limited Disruption in Automotive Electronics – The Trends Trends • Consolidation • Functional Safety • Connectivity • Security • Over the Air Updates • Open Source • Commercial Software • Long Term Support 3 © 2017 Arm Limited ECU Consolidation – The Trend ASIL-B ASIL-QM ASIL-B ASIL-QM • Mixed-Criticality • Software Defined Instrument In-vehicle Digital side view V2X Architecture cluster (IC) Infotainment (IVI) mirrors gateway • Leverage Virtualization • Optimize Safety cert RTOS Classic Connectivity & Wiring Hypervisor (ASIL-B Certified) ECU Hardware Platform e.g., Cockpit Controller 4 © 2017 Arm Limited Safety Focus – The Trend Safety Manual • Fault Detection and Control • Instrument Cluster – ASIL B FMEA Report • Digital Mirrors – ASIL B • ADAS Features – ASIL D • Autonomous Drive – ASIL B, D • Arm IP positioned as SEooC Development Interface Report 5 © 2017 Arm Limited Cabin Connectivity – The Trend Vehicle Connectivity Requirements • In-Vehicle Infotainment Services • Telematics • V2X Services • Autonomous Inference Model Updates • ECU Over the Air Updates 6 © 2017 Arm Limited Security – The Trend Requirements • Secure Storage • HW Root of Trust • Secure Boot • Secure KeyGen • Trusted Execution Environment • Secure Over The Air Updates • Standard Framework/ API (PSA) 7 © 2017 Arm Limited Ubiquitous Software Update – The Trend Requirements • Maintain security updates. • SW update of an ECU relies on security features.