Open Enterprise Server 11 SP3 Novell Storage ServicesTM File System Administration Guide for Linux July 2016 Legal Notices For information about legal notices, trademarks, disclaimers, warranties, export and other use restrictions, U.S. Government rights, patent policy, and FIPS compliance, see https://www.novell.com/company/legal/. Copyright © 2016 Novell, Inc. All Rights Reserved. Contents About This Guide 19 1 Overview of NSS 23 1.1 Introduction to NSS . 23 1.2 Benefits of NSS . 23 1.3 Understanding NSS . 24 1.3.1 Storage Pools . 24 1.3.2 NSS Volumes. 25 1.4 NSS Features and Capabilities . 25 1.4.1 Use Less Memory and Gain More Speed . 26 1.4.2 Improve Storage Availability. 26 1.4.3 Prevent Unauthorized Access . 26 1.4.4 Protect Data from Corruption or Loss . 27 1.4.5 Maximize Available Space . .27 1.5 Comparison of NSS to Other File Systems . 28 1.6 What’s Next . 28 2 What’s New or Changed in NSS 29 2.1 What’s New or Changed in NSS (May 2017 Patch). 29 2.2 What’s New or Changed in NSS (September 2016 Patch) . 29 2.3 What’s New or Changed in NSS (OES 11 SP3). 29 2.4 What’s New or Changed in NSS (OES 11 SP2). 30 2.5 What’s New or Changed in NSS (OES 11 SP1). 30 2.6 What’s New or Changed in NSS (OES 11) . .31 3 Installing and Configuring Novell Storage Services 33 3.1 Requirements for Installing NSS . 33 3.1.1 Device Requirements . 33 3.1.2 Requirements for NSS. 33 3.1.3 Requirements for Storage-Related iManager Plug-Ins . 34 3.2 Installing and Configuring NSS . 34 3.2.1 Selecting the NSS Pattern During the OES 11 SP3 Install . 34 3.2.2 Installing NSS on an Existing OES 11 SP3 Server . 36 3.2.3 Enabling or Disabling NSS . .37 3.3 Upgrading the Media Format for Hard Link Support . 37 3.4 Enabling Users for Linux Utilities and Services . 37 3.5 Updating NSS on OES 11 SP3 . 38 3.5.1 Parameter Settings . 38 3.5.2 Reboot Server or Restart jstcpd, adminusd, and volmnd . 38 3.5.3 Storage-Related Plug-Ins . .39 3.6 Upgrading from OES 2 to OES 11 SP3 . 39 3.6.1 Parameter Settings . 39 3.6.2 Read Ahead Blocks Setting . 39 4 Upgrading the NSS Media Format 41 4.1 Guidelines for Upgrading the Media Format of NSS Volumes . 41 Contents 3 4.1.1 Cross-Platform Support for the NSS Media Upgrade . 41 4.1.2 Which NSS Volumes to Upgrade. 42 4.1.3 Before Upgrading the Media Format . 42 4.1.4 After Upgrading the Media Format . 43 4.1.5 If You Do Not Upgrade the Media Format . 43 4.2 Upgrading the Media Format for Existing NSS Volumes . 43 4.2.1 Upgrading the Media Format . 43 4.2.2 Enabling Hard Links After the Media Upgrade. 44 4.3 Upgrading the Media Format Automatically for New NSS Volumes. 45 5 Planning NSS Storage Solutions 47 5.1 Guidelines for NSS Storage . 47 5.1.1 Devices . 47 5.1.2 Software RAID Devices . .48 5.1.3 Device Partitions . 48 5.1.4 NSS Pools and Volumes . .48 5.1.5 NSS Encrypted Volumes . 49 5.1.6 Storage Features . 49 5.2 Compatibility and Interoperability Issues for NSS . 49 5.3 Creating NSS Storage Objects in eDirectory . 50 5.4 Naming NSS Storage Objects . 50 5.4.1 Case Insensitive Names . .50 5.4.2 Number of Characters Allowed . 51 5.4.3 Conventions for Valid Names of NSS Storage Objects . 51 5.4.4 Other Naming Guidelines . .52 5.5 Access Control for NSS . 53 5.5.1 Administrator User and Root User Roles for NSS . 53 5.5.2 NSS File System Users . .55 5.5.3 Novell Trustee Model . 56 5.5.4 POSIX Permissions . 56 5.5.5 How NSS Uses Novell Linux User Management. 57 5.6 File Access for Users . ..