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A Versatile Persistent Caching Framework for File Systems Gopalan Sivathanu and Erez Zadok Stony Brook University
A Versatile Persistent Caching Framework for File Systems Gopalan Sivathanu and Erez Zadok Stony Brook University Technical Report FSL-05-05 Abstract IDE RAID array that has an Ext2 file system can cache the recently-accessed data into a smaller but faster SCSI We propose and evaluate an approach for decoupling disk to improve performance. The same could be done persistent-cache management from general file system for a local disk; it can be cached to a faster flash drive. design. Several distributed file systems maintain a per- The second problem with the persistent caching sistent cache of data to speed up accesses. Most of these mechanisms of present distributed file systems is that file systems retain complete control over various aspects they have a separate name space for the cache. Hav- of cache management, such as granularity of caching, ing the persistent cache directory structure as an exact and policies for cache placement and eviction. Hard- replica of the source file system is useful even when coding cache management into the file system often re- xCachefs is not mounted. For example, if the cache has sults in sub-optimal performance as the clients of the file the same structure as the source, disconnected reads are system are prevented from exploiting information about possible directly from the cache, as in Coda [2]. their workload in order to tune cache management. In this paper we present a decoupled caching mech- We introduce xCachefs, a framework that allows anism called xCachefs. With xCachefs, data can be clients to transparently augment the cache management cached from any file system to a faster file system. -
Oracle® Linux 7 Managing File Systems
Oracle® Linux 7 Managing File Systems F32760-07 August 2021 Oracle Legal Notices Copyright © 2020, 2021, Oracle and/or its affiliates. This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreement or allowed by law, you may not use, copy, reproduce, translate, broadcast, modify, license, transmit, distribute, exhibit, perform, publish, or display any part, in any form, or by any means. Reverse engineering, disassembly, or decompilation of this software, unless required by law for interoperability, is prohibited. The information contained herein is subject to change without notice and is not warranted to be error-free. If you find any errors, please report them to us in writing. If this is software or related documentation that is delivered to the U.S. Government or anyone licensing it on behalf of the U.S. Government, then the following notice is applicable: U.S. GOVERNMENT END USERS: Oracle programs (including any operating system, integrated software, any programs embedded, installed or activated on delivered hardware, and modifications of such programs) and Oracle computer documentation or other Oracle data delivered to or accessed by U.S. Government end users are "commercial computer software" or "commercial computer software documentation" pursuant to the applicable Federal Acquisition Regulation and agency-specific supplemental regulations. As such, the use, reproduction, duplication, release, display, disclosure, modification, preparation of derivative works, and/or adaptation of i) Oracle programs (including any operating system, integrated software, any programs embedded, installed or activated on delivered hardware, and modifications of such programs), ii) Oracle computer documentation and/or iii) other Oracle data, is subject to the rights and limitations specified in the license contained in the applicable contract. -
Implementing Nfsv4 in the Enterprise: Planning and Migration Strategies
Front cover Implementing NFSv4 in the Enterprise: Planning and Migration Strategies Planning and implementation examples for AFS and DFS migrations NFSv3 to NFSv4 migration examples NFSv4 updates in AIX 5L Version 5.3 with 5300-03 Recommended Maintenance Package Gene Curylo Richard Joltes Trishali Nayar Bob Oesterlin Aniket Patel ibm.com/redbooks International Technical Support Organization Implementing NFSv4 in the Enterprise: Planning and Migration Strategies December 2005 SG24-6657-00 Note: Before using this information and the product it supports, read the information in “Notices” on page xi. First Edition (December 2005) This edition applies to Version 5, Release 3, of IBM AIX 5L (product number 5765-G03). © Copyright International Business Machines Corporation 2005. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Notices . xi Trademarks . xii Preface . xiii The team that wrote this redbook. xiv Acknowledgments . xv Become a published author . xvi Comments welcome. xvii Part 1. Introduction . 1 Chapter 1. Introduction. 3 1.1 Overview of enterprise file systems. 4 1.2 The migration landscape today . 5 1.3 Strategic and business context . 6 1.4 Why NFSv4? . 7 1.5 The rest of this book . 8 Chapter 2. Shared file system concepts and history. 11 2.1 Characteristics of enterprise file systems . 12 2.1.1 Replication . 12 2.1.2 Migration . 12 2.1.3 Federated namespace . 13 2.1.4 Caching . 13 2.2 Enterprise file system technologies. 13 2.2.1 Sun Network File System (NFS) . 13 2.2.2 Andrew File System (AFS) . -
Managing File Systems in Oracle® Solaris 11.4
® Managing File Systems in Oracle Solaris 11.4 Part No: E61016 November 2020 Managing File Systems in Oracle Solaris 11.4 Part No: E61016 Copyright © 2004, 2020, Oracle and/or its affiliates. License Restrictions Warranty/Consequential Damages Disclaimer This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreement or allowed by law, you may not use, copy, reproduce, translate, broadcast, modify, license, transmit, distribute, exhibit, perform, publish, or display any part, in any form, or by any means. Reverse engineering, disassembly, or decompilation of this software, unless required by law for interoperability, is prohibited. Warranty Disclaimer The information contained herein is subject to change without notice and is not warranted to be error-free. If you find any errors, please report them to us in writing. Restricted Rights Notice If this is software or related documentation that is delivered to the U.S. Government or anyone licensing it on behalf of the U.S. Government, then the following notice is applicable: U.S. GOVERNMENT END USERS: Oracle programs (including any operating system, integrated software, any programs embedded, installed or activated on delivered hardware, and modifications of such programs) and Oracle computer documentation or other Oracle data delivered to or accessed by U.S. Government end users are "commercial computer software" or "commercial -
NFS-HOWTO.Pdf
Linux NFS−HOWTO Tavis Barr tavis dot barr at liu dot edu Nicolai Langfeldt janl at linpro dot no Seth Vidal skvidal at phy dot duke dot edu Tom McNeal trmcneal at attbi dot com 2002−08−25 Revision History Revision v3.1 2002−08−25 Revised by: tavis Typo in firewalling section in 3.0 Revision v3.0 2002−07−16 Revised by: tavis Updates plus additions to performance, security Linux NFS−HOWTO Table of Contents 1. Preamble..........................................................................................................................................................1 1.1. Legal stuff.........................................................................................................................................1 1.2. Disclaimer.........................................................................................................................................1 1.3. Feedback...........................................................................................................................................1 1.4. Translation........................................................................................................................................1 1.5. Dedication.........................................................................................................................................1 2. Introduction.....................................................................................................................................................2 2.1. What is NFS?....................................................................................................................................2 -
Managing Network File Systems in Oracle® Solaris 11.4
Managing Network File Systems in ® Oracle Solaris 11.4 Part No: E61004 August 2021 Managing Network File Systems in Oracle Solaris 11.4 Part No: E61004 Copyright © 2002, 2021, Oracle and/or its affiliates. This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreement or allowed by law, you may not use, copy, reproduce, translate, broadcast, modify, license, transmit, distribute, exhibit, perform, publish, or display any part, in any form, or by any means. Reverse engineering, disassembly, or decompilation of this software, unless required by law for interoperability, is prohibited. The information contained herein is subject to change without notice and is not warranted to be error-free. If you find any errors, please report them to us in writing. If this is software or related documentation that is delivered to the U.S. Government or anyone licensing it on behalf of the U.S. Government, then the following notice is applicable: U.S. GOVERNMENT END USERS: Oracle programs (including any operating system, integrated software, any programs embedded, installed or activated on delivered hardware, and modifications of such programs) and Oracle computer documentation or other Oracle data delivered to or accessed by U.S. Government end users are "commercial computer software" or "commercial computer software documentation" pursuant to the applicable Federal Acquisition Regulation and agency-specific supplemental regulations. As such, the use, reproduction, duplication, release, display, disclosure, modification, preparation of derivative works, and/or adaptation of i) Oracle programs (including any operating system, integrated software, any programs embedded, installed or activated on delivered hardware, and modifications of such programs), ii) Oracle computer documentation and/or iii) other Oracle data, is subject to the rights and limitations specified in the license contained in the applicable contract. -
Proceedings of the Linux Symposium Volume
Proceedings of the Linux Symposium Volume Two July 19th–22nd, 2006 Ottawa, Ontario Canada Contents Evolution in Kernel Debugging using Hardware Virtualization With Xen 1 Nitin A. Kamble Improving Linux Startup Time Using Software Resume (and other techniques) 17 Hiroki Kaminaga Automated Regression Hunting 27 A. Bowen, P. Fox, J. Kenefick, A. Romney, J. Ruesch, J. Wilde, & J. Wilson Hacking the Linux Automounter—Current Limitations and Future Directions 37 Ian Maxwell Kent & Jeff Moyer Why NFS Sucks 51 Olaf Kirch Efficient Use of the Page Cache with 64 KB Pages 65 Dave Kleikamp and Badari Pulavarty Startup Time in the 21st Century: Filesystem Hacks and Assorted Tweaks 71 Benjamin C.R. LaHaise Using Hugetlbfs for Mapping Application Text Regions 75 H.J. Lu, K. Doshi, R. Seth, & J. Tran Towards a Better SCM: Revlog and Mercurial 83 Matt Mackall Roadmap to a GL-based composited desktop for Linux 91 K.E. Martin and K. Packard Probing the Guts of Kprobes 101 A. Mavinakayanahalli, P. Panchamukhi, J. Keniston, A. Keshavamurthy, & M. Hiramatsu Shared Page Tables Redux 117 Dave McCracken Extending RCU for Realtime and Embedded Workloads 123 Paul E. McKenney OSTRA: Experiments With on-the-fly Source Patching 139 Arnaldo Carvalho de Melo Design and Implementation to Support Multiple Key Exchange Protocols for IPsec 143 K. Miyazawa, S. Sakane, K. Kamada, M. Kanda, & A. Fukumoto The State of Linux Power Management 2006 151 Patrick Mochel I/O Workload Fingerprinting in the Genetic-Library 165 Jake Moilanen X86-64 XenLinux: Architecture, Implementation, and Optimizations 173 Jun Nakajima, Asit Mallick GCC—An Architectural Overview, Current Status, and Future Directions 185 Diego Novillo Shared-Subtree Concept, Implementation, and Applications in Linux 201 Al Viro & Ram Pai The Ondemand Governor 215 Venkatesh Pallipadi & Alexey Starikovskiy Linux Bootup Time Reduction for Digital Still Camera 231 Chan-Ju Park A Lockless Pagecache in Linux—Introduction, Progress, Performance 241 Nick Piggin The Ongoing Evolution of Xen 255 I. -
The Pkgsrc Guide
The pkgsrc guide Documentation on the NetBSD packages system (2006/02/18) Alistair Crooks [email protected] Hubert Feyrer [email protected] The pkgsrc Developers The pkgsrc guide: Documentation on the NetBSD packages system by Alistair Crooks, Hubert Feyrer, The pkgsrc Developers Published 2006/02/18 01:46:43 Copyright © 1994-2005 The NetBSD Foundation, Inc Information about using the NetBSD package system (pkgsrc) from both a user view for installing packages as well as from a pkgsrc developers’ view for creating new packages. Table of Contents 1. What is pkgsrc?......................................................................................................................................1 1.1. Introduction.................................................................................................................................1 1.2. Overview.....................................................................................................................................1 1.3. Terminology................................................................................................................................2 1.4. Typography .................................................................................................................................3 I. The pkgsrc user’s guide .........................................................................................................................1 2. Where to get pkgsrc and how to keep it up-to-date........................................................................2 -
System Administration Guide Devices and File Systems
System Administration Guide: Devices and File Systems Part No: 817–5093–24 January 2012 Copyright © 2004, 2012, Oracle and/or its affiliates. All rights reserved. This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreement or allowed by law, you may not use, copy, reproduce, translate, broadcast, modify, license, transmit, distribute, exhibit, perform, publish or display any part, in any form, or by any means. Reverse engineering, disassembly, or decompilation of this software, unless required by law for interoperability, is prohibited. The information contained herein is subject to change without notice and is not warranted to be error-free. If you find any errors, please report them to us in writing. If this is software or related documentation that is delivered to the U.S. Government or anyone licensing it on behalf of the U.S. Government, the following notice is applicable: U.S. GOVERNMENT RIGHTS. Programs, software, databases, and related documentation and technical data delivered to U.S. Government customers are "commercial computer software" or "commercial technical data" pursuant to the applicable Federal Acquisition Regulation and agency-specific supplemental regulations. As such, the use, duplication, disclosure, modification, and adaptation shall be subject to the restrictions and license terms setforth in the applicable Government contract, and, to the extent applicable by the terms of the Government contract, the additional rights set forth in FAR 52.227-19, Commercial Computer Software License (December 2007). Oracle America, Inc., 500 Oracle Parkway, Redwood City, CA 94065. -
IBM Spectrum Scale 5.1.0: Concepts, Planning, and Installation Guide Summary of Changes
IBM Spectrum Scale Version 5.1.0 Concepts, Planning, and Installation Guide IBM SC28-3161-02 Note Before using this information and the product it supports, read the information in “Notices” on page 551. This edition applies to version 5 release 1 modification 0 of the following products, and to all subsequent releases and modifications until otherwise indicated in new editions: • IBM Spectrum Scale Data Management Edition ordered through Passport Advantage® (product number 5737-F34) • IBM Spectrum Scale Data Access Edition ordered through Passport Advantage (product number 5737-I39) • IBM Spectrum Scale Erasure Code Edition ordered through Passport Advantage (product number 5737-J34) • IBM Spectrum Scale Data Management Edition ordered through AAS (product numbers 5641-DM1, DM3, DM5) • IBM Spectrum Scale Data Access Edition ordered through AAS (product numbers 5641-DA1, DA3, DA5) • IBM Spectrum Scale Data Management Edition for IBM® ESS (product number 5765-DME) • IBM Spectrum Scale Data Access Edition for IBM ESS (product number 5765-DAE) Significant changes or additions to the text and illustrations are indicated by a vertical line (|) to the left of the change. IBM welcomes your comments; see the topic “How to send your comments” on page xxxii. When you send information to IBM, you grant IBM a nonexclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you. © Copyright International Business Machines Corporation 2015, 2021. US Government Users Restricted Rights – Use, -
NFS Administration Guide
NFS Administration Guide 2550 Garcia Avenue Mountain View, CA 94043 U.S.A. A Sun Microsystems, Inc. Business 1995 Sun Microsystems, Inc. 2550 Garcia Avenue, Mountain View, California 94043-1100 U.S.A. All rights reserved. This product or document is protected by copyright and distributed under licenses restricting its use, copying, distribution and decompilation. No part of this product or document may be reproduced in any form by any means without prior written authorization of Sun and its licensors, if any. Portions of this product may be derived from the UNIX® system, licensed from UNIX Systems Laboratories, Inc., a wholly owned subsidiary of Novell, Inc., and from the Berkeley 4.3 BSD system, licensed from the University of California. Third-party software, including font technology in this product, is protected by copyright and licensed from Sun’s Suppliers. RESTRICTED RIGHTS LEGEND: Use, duplication, or disclosure by the government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013 and FAR 52.227-19. The product described in this manual may be protected by one or more U.S. patents, foreign patents, or pending applications. TRADEMARKS Sun, Sun Microsystems, the Sun logo, SunSoft, the SunSoft logo, Solaris, SunOS, OpenWindows, DeskSet, ONC, ONC+, and NFS are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. UNIX is a registered trademark in the United States and other countries, exclusively licensed through X/Open Company, Ltd. OPEN LOOK is a registered trademark of Novell, Inc. -
Installing and Administering NFS Services
Installing and Administering NFS Services HP 9000 Networking Manufacturing Part Number: B1031-90048 E0601 U.S.A. © Copyright 2001 Hewlett-Packard Company. Legal Notices The information in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be held liable for errors contained herein or direct, indirect, special, incidental or consequential damages in connection with the furnishing, performance, or use of this material. Warranty. A copy of the specific warranty terms applicable to your Hewlett- Packard product and replacement parts can be obtained from your local Sales and Service Office. Restricted Rights Legend. Use, duplication or disclosure by the U.S. Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013 for DOD agencies, and subparagraphs (c) (1) and (c) (2) of the Commercial Computer Software Restricted Rights clause at FAR 52.227-19 for other agencies. Hewlett-Packard Co. 19420 Homestead Road Cupertino, CA 95014 USA Use of this manual and CD(s) supplied for this pack is restricted to this product only. Additional copies of the programs may be made for security and back-up purposes only. Resale of the programs in their present form or with alterations, is expressly prohibited. Copyright Notices ©copyright 1983-2000 Hewlett-Packard Company, all rights reserved. Reproduction, adaptation, or translation of this document without prior written permission is prohibited, except as allowed under the copyright laws.