NW 6.5 SP8: NSS File System Administration Guide

NW 6.5 SP8: NSS File System Administration Guide

Overview of NSS

Introduction to NSS

Benefits of NSS

Understanding NSS

NSS Features and Capabilities

Comparison of NSS to Other File Systems

What’s New for NSS (NetWare 6.5 SP8)

What’s New for NSS (NetWare 6.5 SP7)

Installing and Configuring Novell Storage Services

Requirements for Installing NSS

Installing and Configuring NSS on NetWare

Installing and Configuring NSS on Linux

Upgrading the Media Format for Hard Link Support

Enabling Users for Linux Utilities and Services

Updating NSS on OES 2 Linux

Upgrading from OES 1 Linux to OES 2 Linux

Updating the NSS Kernel Module (km_nss) for SUSE Linux Enterprise Server

Upgrading the NSS Media Format

Guidelines for Upgrading the Media Format of NSS Volumes

Upgrading the Media Format for Existing NSS Volumes

Upgrading the Media Format Automatically for New NSS Volumes

Planning NSS Storage Solutions

Guidelines for NSS Storage

Compatibility and Interoperability Issues for NSS

Creating NSS Storage Objects in eDirectory

Naming NSS Storage Objects

Access Control for NSS on Linux

File Access for Users

Antivirus Support for NSS

Backup Support for NSS

NSS Support for Memory Mapped Files

Using NSS in a Virtualization Environment

Guidelines for Using NSS in a Xen Virtualization Environment

Installing OES 2 Linux on a Virtual Machine

Initializing New Virtual Disks on the Guest Server

Cross-Platform Issues for NSS

Cross-Platform Issues for NSS Pool Snapshots

Cross-Platform Issues for NSS Volumes

Cross-Platform Issues for NSS Features

Cross-Platform Issues for File Access

Cross-Platform Issues for Management Tools

Cluster-Enabling Shared NSS Devices and Pools with Novell Cluster Services

Cluster-Enabling NSS Pools and Volumes

Guidelines for Cluster-Enabling NSS

Management Tools for NSS

Novell iManager and Storage-Related Plug-Ins

NSS Management Utility (NSSMU) Quick Reference

NSS Commands and Utilities

Novell NetStorage

Novell Remote Manager

Virtual File Services, APIs, and Scripts

Managing Devices

Understanding Devices

Making Devices Available to EVMS (Linux)

Viewing Devices on a Server

Viewing Details for a Device

Scanning for Devices (NetWare)

Scanning for Devices (Linux)

Initializing a Disk

Sharing Devices for NSS Pools

Viewing Partitions on a Device

Viewing Pools on a Device

Enabling Write-Through Cache Management on SCSI Devices and RAID Controllers (Linux)

Migrating NSS Devices from NetWare to OES 2 Linux

Guidelines for Moving Devices Cross-Platform

Moving Non-Clustered Devices From NetWare Servers to OES 2 Linux Servers

Moving Non-Clustered Devices From NetWare 6.0 to OES 2 Linux

Moving Non-Clustered Devices From NetWare 6.0 to NetWare 6.5 or OES NetWare

Moving Clustered Devices with NSS Volumes Cross-Platform

Upgrading NetWare 5.1 NSS Volumes and NetWare Traditional Volumes to NSS Volumes

Managing Partitions

Understanding Partitions

Creating Partitions

Viewing a List of Partitions

Viewing Details for a Partition

Labeling a Partition

Deleting a Partition

Adding Other Types of File System Partitions (Linux)

Managing NSS Software RAID Devices

Understanding Software RAID Devices

Planning for a Software RAID Device

Viewing a List of Software RAID Devices on a Server

Viewing Details of a Software RAID Device

Creating Software RAID Devices with iManager

Creating Software RAID Devices with NSSMU

Mirroring an Existing Pool with NSSMU

Creating a RAID 1 Mirror to Duplicate Data

Creating a Software RAID 10 with NSSMU (NetWare)

Creating a Software RAID 15 with NSSMU (NetWare)

Renaming a Software RAID Device

Increasing the Size of a Software RAID Device

Restriping a Software RAID 0 or 5 Device

Replacing a Failed Segment in a Software RAID

Deleting a Software RAID Device

Viewing Pools on a Software RAID Device

Viewing Partitions on a Software RAID Device

Deleting Partitions on a Software RAID Device

Managing Software RAID Devices with NSSMU

Managing Multipath I/O to Devices (NetWare)

Planning Your Multipath I/O Solution for NSS on NetWare

Enabling Multipath

Configuring the Primary Path and Priorities for Failover Connection Paths

Viewing Connection Path Details

Setting a Connection Path as Up or Down

Setting the Primary Path for a Device to Its Default Path

Resetting the Server Registry with Default Priority Settings for a Device

Managing Multiple Paths with Server Console Commands

Managing Multipath I/O to Devices (Linux)

Understanding Multipath I/O on Linux

NSS Errors When Linux Multipath Is Not Configured

Configuring Multipath on Linux

Managing NSS Pools

Guidelines for Creating a Pool

Creating a Pool

Activating and Deactivating Pools

Increasing the Size of a Pool

Renaming a Pool

Deleting a Pool

Viewing Pools on a Server

Viewing Pool Details

Viewing Partition Information for a Pool

Viewing Volume Information for a Pool

Viewing Device Information for a Pool

Preventing Pools from Activating on Multiple Servers

Updating eDirectory Pool Objects

Verifying and Rebuilding NSS Pools and Volumes

When to Use Verify and Rebuild

Verifying and Rebuilding an NSS Pool and Its Volumes

ReZIDing Volumes in an NSS Pool

Managing NSS Pool Snapshots

Understanding Pool Snapshots

Guidelines for Using and Managing Pool Snapshots

Creating a New Pool Snapshot

Viewing a List of Snapshots for a Given Pool

Viewing Pool Snapshot Details

Renaming a Pool Snapshot (NetWare)

Modifying the Stored-On Location for Snapshots

Onlining or Offlining a Pool Snapshot

Viewing and Managing an Online Pool Snapshot

Restoring Data from an Online Pool Snapshot

Deleting a Pool Snapshot

Shredding a Deleted Pool Snapshot (NetWare)

Using Commands to Manage Pool Snapshots (NetWare)

Managing NSS Volumes

Understanding Volume Properties

Guidelines for NSS Volumes

Creating Unencrypted NSS Volumes

Configuring Encrypted NSS Volumes with NSSMU

Updating eDirectory Volume Objects

Viewing the Details of an NSS Volume

Viewing Properties of an NSS Volume

Modifying Attributes of an NSS Volume

Modifying the NSS Volume Size

Configuring the Name Space for an NSS Volume

Mounting NSS Volumes with Linux Commands (Linux)

Renaming an NSS Volume

Renaming (Modifying) the Mount Point for an NSS Volume (Linux)

Activating and Deactivating an NSS Volume

Mounting and Dismounting an NSS Volume (Linux)

Exporting NSS Volumes for NFS Access (NetWare)

Exporting and Importing NSS Volumes for NFS Access (Linux)

Deleting an NSS Volume

Finding the Filename for a Given ZID

Verifying or Rebuilding NSS Volumes

Moving Volumes with DFS

Splitting Volumes with DFS

Managing Encrypted NSS Volumes

Understanding Encrypted Volume Support

Security Considerations for Encrypted Volumes

Creating an Encrypted Volume

Mounting an Encrypted NSS Volume with NSSMU (Linux)

Activating an Encrypted NSS Volume with NSSMU (NetWare)

Mounting Encrypted NSS Volumes with NSS Commands (Linux)

Activating Encrypted NSS Volumes with NSS Commands (NetWare)

Dismounting an Encrypted NSS Volume with NSSMU (Linux)

Deactivating an Encrypted NSS Volume with NSSMU (NetWare)

Using Encrypted Volumes in a Server Cluster (Linux)

Using Encrypted Volumes in a Server Cluster (NetWare)

Removing Encrypted Volumes

Managing Removable Media (NetWare)

Managing CDs and DVDs as NSS Volumes (NetWare)

Activating and Deactivating ISO Image Files as NSS Volumes (NetWare)

Activating and Deactivating DOS Partitions as NSS Volumes (NetWare)

Mounting a USB Disk as a Local FAT Volume or NSS Volume (NetWare)

Securing Access to NSS Volumes, Directories, and Files

Configuring File System Trustees, Trustee Rights, Inherited Rights Filters, and Attributes

Configuring the Security Equivalence Vector Update Frequency (Linux)

Using Data Shredding to Prevent Access to Purged Files

Enabling or Disabling LAF Audit Log Messages for Trustee Events (Linux)

Controlling Access to the _admin Volume and Files.cmd (NetWare)

Managing Data Integrity on NetWare Servers

Enabling Flush Files Immediately to Write Data to the Disk on Close

Using the Transaction Tracking System for Application-Based Transaction Rollback (NetWare)

Using the File-Level Snapshot Attribute to Enable the Backup of Open Files

Managing Compression on NSS Volumes

Understanding Compression

Configuring Compression for a Server

Configuring a Volume for Compression

Suspending Compression for Volumes or Files

Disabling Compression for a Volume

Restoring Data to a Uncompressed Volume

Configuring Compression Preferences for Directories and Files

Using NSS Commands to Configure and Monitor Compression

Copying Compressed Files between Volumes with the NCOPY Command

Viewing Compression Statistics with the NDIR Command

Repairing Compressed Volumes with the Compfix Utility

Backing Up Compressed Files

Managing Space Quotas for Volumes, Directories, and Users

Understanding Space Quotas

Managing NSS Volume Quotas

Managing Directory Quotas

Managing User Space Quotas

Salvaging and Purging Deleted Volumes, Directories, and Files

Understanding the NSS Salvage System

Configuring the Purge Behavior for NSS

Enabling or Disabling the Salvage Attribute for an NSS Volume

Viewing, Salvaging, or Purging Deleted NSS Volumes in a Pool

Salvaging or Purging Deleted Files with iManager

Salvaging or Purging Deleted Files with Other Tools

Purging Deleted Files or Directories (NetWare)

Managing Hard Links

Understanding Hard Links

Upgrading the Media Format for Hard Links Support

Enabling or Disabling the Hard Links Attribute

Creating a Hard Link Using Ln on a Linux Client

Creating a Hard Link Using a zLink API

Creating a Hard Link for Testing Purposes

Viewing Hard Links for a File

Deleting a Hard Link

Deleting a Primary Link

Managing Files and Folders on NSS Volumes

Creating a Folder on an NSS Volume

Deleting a File or Folder on an NSS Volume

Uploading Files to an NSS Volume

Downloading Files from an NSS Volume

Viewing or Modifying File or Folder Properties

Viewing or Modifying File Ownership

Viewing, Adding, Modifying, or Removing a Directory Quota

Managing Backup and Restore for Data and Trustee Information

Using Novell Storage Management Services

Using the Event File List to Refine the Backup

Using METAMIG to Save and Restore Trustee Information on NSS and Linux POSIX File Systems (Linux)

Using Extended Attributes (xAttr) Commands (Linux)

Backing Up Files Without Altering the Access Time

Additional Information

Tuning NSS Performance on NetWare

Do I Need to Tune NSS?

NSS Tuning Guidelines

Setting the Cache Balance

Setting the Closed File Cache Size

Setting the File and Buffer Flush Timers

Setting the Name Cache Size

Configuring NSS Extended System Memory

Tuning NSS Write Performance on NetWare

Tuning NSS Performance on Linux

Tuning Cache Buffers for NSS on Linux

Configuring High Memory Cache

Configuring or Tuning Group I/O

Monitoring the Status of the NSS File System and Services

Monitoring Status of NSS Devices, Pools, and Volumes with iManager

Monitoring Compression and Salvage Statistics

Monitoring Quotas and Space Usage for NSS Pools and Volumes

Monitoring File System Parameters

Troubleshooting the NSS File System

Cannot Connect to Target Servers from iManager

Cannot Create an NSS Pool or Volume

Cannot See NSS Devices, Pools, or Volumes

Data Corruption Is Possible with Xen-Based File-Backed Block Devices on NetWare Virtual Machines

eDirectory Errors When Creating NSS Pools or Volumes on Linux

File Compression Is Not Working

Linux Fails to Execute Dismount, Umount, or Delete Commands for NSS Volumes

Multipath Devices Are Not Resolved

NSS Takes Up to 10 Minutes to Load When the Server Is Rebooted (Linux)

NSS Volume Disappears from the NCP Console (ncpcon) (Linux)

Pathname Exceeds 255-Character Limit

Problems Moving NetWare 6.5 NSS Pools to NetWare 6.0 Servers

Server Hangs When Using an NSS Volume as a Netatalk Share

Slow Mount Performance for NSS Volumes Using the UNIX Name Space (Linux)

Software RAID 1 Fails to Recognize a Replacement Device

Tuning NSS Volumes for GroupWise Servers

Unknown Users as File Owners

Using Scripts to Create or Manage NSS Pools and Volumes on Linux

Security Considerations

Security Features of NSS

Preventing Unauthorized Access

Securing Sensitive Information During Remote Management Sessions

Protecting Data During Backup and on Backup Media

Preventing Exposure of Sensitive Data in a Core Dump

Preventing Exposure of the Encryption Password in a Log (Linux)

Using Data Shredding to Prevent Unauthorized Access to Purged Files

Protecting the Admin Volume and Files.cmd (NetWare)

Acquiring Security Equivalence Vectors for NSS Users

Protecting Modules Responsible for Security Equivalence Vectors (Linux)

Controlling File System Access and Attributes for NSS Volumes

Displaying Directory and File Attributes for NSS Volumes on Linux

Security Best Practices for zAPIs

Controlling Physical Access to Servers and Resources

Securing Access to the Servers with a Firewall

Creating Strong Passwords

Using NSS Commands

Help and Find Commands

Access Time Command

Background File System Checker Commands

Cache Management Commands (Linux)

Cache Management Commands (NetWare)

Compression Commands

Data Shredding Commands

Daylight Savings Time Commands

eDirectory Storage Object ID Commands

Extended Attributes (XAttr) Commands (Linux)

Event File List (EFL) Command

File-Level Snapshot Commands

Hard Links Commands

I/O Monitoring Commands

I/O Write Commands (Linux)

I/O Write Commands (NetWare)

LAF Audit Log Messages Commands (Linux)

Load Commands for the nssstart.cfg File

Low Storage Alert Messages Commands

Migration Support Commands for Near-Line Storage

Modified File List (MFL) Commands

Multipath I/O Failover Commands (NetWare)

Multiple Server Activation Prevention (MSAP) Commands

noatime and atime Commands

noatime and nodiratime Support for Linux open, mount, nfsmount, and /etc/fstab (Linux)

Opportunistic Locking (Oplock) Commands

Pool Freeze and Thaw Commands

Pool Management Commands

Pool Snapshot Commands (NetWare)

Pool Verify and Rebuild Commands (NetWare)

POSIX Permission Mask Command (Linux)

Quotas Commands

Read Ahead Blocks and Allocate Ahead Blocks Commands

Removable Media Commands (NetWare)

Salvage and Purge Commands

Security Equivalence Vector Update Commands (Linux)

Sendfile API Support Command

Status Commands

Transaction Tracking System (TTS) Commands (NetWare)

Visibility Rebuild Command

Volume Management Commands

Upgrade Commands for NetWare 5.x or 6.x to NetWare 6.5

ABORT REMIRROR (NetWare)

CDDVD (NetWare)

COMPFIX

DISMOUNT (NetWare)

FILER (NetWare)

METAMIG (Linux)

MIRROR STATUS (Netware)

MOUNT (NetWare)

NCOPY (NetWare)

NDIR

NSSMU

NSSUPDATE (Linux)

RAVVIEW (Linux)

REBUILD (NetWare)

REFRESHIDS (Linux)

REMIRROR PARTITION (NetWare)

RIGHTS

VERIFY (NetWare)

VOLUMES (Linux, NCP Utility)

Upgrading Legacy NSS and NetWare Traditional Volumes

Migrating Legacy NSS Volumes and NetWare Traditional Volumes to OES Linux

Copying and Upgrading Legacy Volumes with Volume Copy Upgrade

Upgrading Legacy NSS Volumes

Upgrading Legacy NSS Volumes in Clusters

Using EVMS to Manage Devices with NSS Volumes (Linux)

Installing Linux with EVMS as the Volume Manager on the System Device

Using Linux POSIX File Systems and NSS Pools and Volumes on the Same Device

Viewing Free Space Available to EVMS-Managed Devices

Making Devices Available to EVMS

Additional EVMS Documentation

Using NSS on Devices Managed by Non-EVMS Volume Managers (Linux)

FAQs About Using EVMS with NSS

Guidelines for Using NSS with Non-EVMS Volume Managers

Creating and Mounting NSS Pools and Volumes Using Linux Commands

Configuring Default Mount Settings for NSS Pools and Volumes

Expanding NSS Pools on Non-EVMS-Managed Devices

Comparison of NSS on NetWare and NSS on Linux

Comparison of NSS on NetWare and the NetWare Traditional File System

Features of NSS and Traditional File Systems on NetWare

SET Parameters Shared by NSS and Traditional File Systems

SET Parameters for the NSS File System

SET Parameters for the Traditional File System

Comparison of Directory and File Attributes

Comparison of NSS on Linux and NCP Volumes on Linux POSIX File Systems

NSS Nomenclature

Documentation Updates

November 9, 2009

December 2008 (NetWare 6.5 SP8)

February 22, 2008

January 14, 2008

December 14, 2007

November 14, 2007