Apple Xsan 1.4 User Manual

Browse online or download User Manual for Software Apple Xsan 1.4. Xsan 2 Administrator` s Guide (Manual)

  • Download
  • Add to my manuals
  • Print
  • Page
    / 140
  • Table of contents
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews

Summary of Contents

Page 1 - Administrator’s Guide

Xsan 2Administrator’s Guide

Page 2

10 Preface About This Book What’s New in Xsan 2Xsan 2 offers these new features and capabilities:Â The Xsan Admin application has been redesigned

Page 3 - Contents

100 Chapter 6 Managing Metadata Controllers

Page 4

7 1017 Monitoring SAN StatusYou can use Xsan Admin and related command-line tools to check the condition of a SAN and its components.This chapter

Page 5

102 Chapter 7 Monitoring SAN Status To view a component’s status and configuration information:m Open Xsan Admin, click the Inspector button at th

Page 6

Chapter 7 Monitoring SAN Status 103 Checking Free Space on a VolumeThere are several ways to see how much space is available on a SAN volume.To che

Page 7 - Contents 7

104 Chapter 7 Monitoring SAN Status Checking Free Space on a Storage PoolIn addition to checking free space on a volume, you can check free space

Page 8 - 8 Contents

Chapter 7 Monitoring SAN Status 105 To view usage graphs:m In Xsan Admin, click the Graphs button at the top of the window. Use the three pop-up me

Page 9 - About This Book

106 Chapter 7 Monitoring SAN Status Viewing Xsan LogsYou can use Xsan Admin to view the informational and diagnostic messages that Xsan writes to

Page 10 - Version Compatibility

Chapter 7 Monitoring SAN Status 107 Checking Volume ClientsYou can use Xsan Admin to see a summary of which clients are using a volume.To see how m

Page 11 - Notation Conventions

108 Chapter 7 Monitoring SAN Status Checking for Fibre Channel Connection FailuresFibre Channel connection failures or errors are recorded in the

Page 12

8 1098 Solving SAN ProblemsThis chapter provides solutions to common problems you might encounter while working with a SAN.Look here for solution

Page 13 - Overview of Xsan

Preface About This Book 11 Getting Additional InformationNotation ConventionsThe following conventions are used in this book wherever shell command

Page 14 - Shared SAN Volumes

110 Chapter 8 Solving SAN Problems If You’re Unable to Mount a Volume on a Client Try restarting the client computer, and then try again. Check

Page 15 - Network Connections

Chapter 8 Solving SAN Problems 111 If You’re Unable to Add a Storage PoolThere are some reserved names you can’t use to name a storage pool. If you

Page 16

112 Chapter 8 Solving SAN Problems If a Client is Unable to Use a Volume After a Fibre Channel InterruptionIf a client loses its Fibre Channel con

Page 17 - Affinities

Chapter 8 Solving SAN Problems 113 If the Capacity of a Larger LUN is Listed as 2 TerabytesIf a LUN that doesn’t yet belong to a storage pool is li

Page 18 - Storage

114 Chapter 8 Solving SAN Problems

Page 19 - Striping at a Higher Level

115AAppendixA Combining Xsan Controllers and StorNext ClientsThis appendix shows how to connect Windows, Solaris, UNIX, AIX, IRIX, or Linux clie

Page 20 - Expanding Storage

116 Appendix A Combining Xsan Controllers and StorNext Clients Compatible Software VersionsThis table shows which versions of Xsan and StorNext con

Page 21 - Xsan Capacities

Appendix A Combining Xsan Controllers and StorNext Clients 117 Using Xsan Controllers with StorNext ClientsYou can use Quantum’s StorNext software

Page 22

118 Appendix A Combining Xsan Controllers and StorNext Clients

Page 23 - Supported Computers

119BAppendixB Using the Command LineThis appendix describes Xsan shell commands and configuration files you can use to work with a SAN from the

Page 24 - Fibre Channel Fabric

12 Preface About This Book

Page 25 - Ethernet TCP/IP Network

120 Appendix B Using the Command Line Viewing the Man PagesDetailed documentation for Xsan command-line utilities is available in UNIX-style man pa

Page 26 - Directory Services

Appendix B Using the Command Line 121 5 Run the installer on the headless computer:Â If you want to install the Xsan file system and Xsan Admin app

Page 27 - Planning Your SAN

122 Appendix B Using the Command Line To execute a single command and return to the shell prompt:$ sudo cvadmin [-H host] [-F volume] -e ["]co

Page 28

Appendix B Using the Command Line 123 quotas [yes|no] Enable or disable quotas for the active (selected) volume. Use the command without any parame

Page 29

124 Appendix B Using the Command Line Manipulating Affinity Tags (cvaffinity)Use the cvaffinity command to assign an affinity tag to a folder or a

Page 30

Appendix B Using the Command Line 125 ExamplesCopy the file friday to /datasets/data1/july/:$ cvcp friday /datasets/data1/julyCopy the folder /data

Page 31

126 Appendix B Using the Command Line Labeling, Listing, and Unlabeling LUNs (cvlabel)Use the cvlabel command to initialize LUNs so they can be add

Page 32

Appendix B Using the Command Line 127 Creating a Folder and Assigning an Affinity (cvmkdir)Use the cvmkdir command to create a folder (directory) a

Page 33

128 Appendix B Using the Command Line Initializing a Volume (cvmkfs)Use the cvmkfs command to initialize an Xsan volume based on the information in

Page 34

Appendix B Using the Command Line 129 To list files that are candidates for defragmentation:$ snfsdefrag -l [-D] [-v] [-K affinity] [-m count] [-r]

Page 35

1 131 Overview of XsanThis chapter gives you an overview of Xsan and storage area networks.Read this chapter for an overview of Xsan and how you

Page 36 - Configuring RAID Systems

130 Appendix B Using the Command Line Controlling the Xsan File System (xsanctl)Use the xsanctl command to control basic Xsan file system functions

Page 37 - Choosing RAID Levels for LUNs

Appendix B Using the Command Line 131 Viewing LogsThe system log to which Xsan writes information about SANs is in /var/log/system.log.Volume logs

Page 38

132 Appendix B Using the Command Line

Page 39 - Setting Up a Storage Area

133GlossaryGlossaryaffinity A relationship between a folder on an Xsan volume and one or more storage pools that provide storage for the volume

Page 40

134 Glossary file system server See FSS.fill An Xsan storage pool allocation strategy. In a volume consisting of more than one storage pool, Xsan fi

Page 41 - SAN and Volume Setup Summary

Glossary 135 RAID Redundant Array of Independent (or Inexpensive) Disks. A grouping of multiple physical hard disks into a disk array, which either p

Page 42

136 Glossary stripe breadth An Xsan storage pool property. The number of bytes of data, expressed as a number of file system blocks, that Xsan writes

Page 43

137IndexIndexAaccesspermissions for folders 80read-only volumes 82unmounting a volume 81access control list. See ACLsACLsenabling and disabli

Page 44

138 Index configuration requirements 24monitoring connection failures 108supported switches 24fileslimit per volume 21maximum size 21name length

Page 45

Index 139 RRAID schemes for LUNs 30read-only volumes 82refresh interval, Xsan Admin 41repairing a volume 68round robinvolume allocation strategy

Page 46

14 Chapter 1 Overview of Xsan An Xsan SAN consists of: Shared data volumes RAID systems that provide storage space that is protected against dis

Page 47

140 Index XXsan Admininstalling 51remote SAN management 52Xsan Admin applicationand firewalls 41overview 41preferences 41refresh interval 41xsan

Page 48

Chapter 1 Overview of Xsan 15 Metadata ControllersWhen you set up an Xsan SAN, you assign at least one computer to act as the metadata controller.

Page 49

16 Chapter 1 Overview of Xsan How Xsan Storage Is OrganizedAlthough an Xsan volume mounted on a client computer looks like a single disk, it actua

Page 50

Chapter 1 Overview of Xsan 17 If the standard RAID arrays on your RAID systems are not right for your application, you can use the RAID system mana

Page 51 - Renaming a SAN

18 Chapter 1 Overview of Xsan More than one storage pool may have the same affinity tag. Xsan distributes the contents of a folder with a particul

Page 52 - Setting Up Additional SANs

Chapter 1 Overview of Xsan 19 Folders with AffinitiesTo control which storage pools are used to store specific files (for example, to provide diffe

Page 53 - Managing SAN Storage

K Apple Inc.© 2008 Apple Inc. All rights reserved. Under the copyright laws, this manual may not be copied, in whole or in part, without the written

Page 54 - Preparing LUNs

20 Chapter 1 Overview of Xsan SecurityThere are several ways you can control access to a SAN volume:Â Unmount a volume on client computers that sh

Page 55 - Adding LUNs to a Storage Pool

Chapter 1 Overview of Xsan 21 Xsan CapacitiesThe following table lists limits and capacities for Xsan volumes.Parameter MaximumNumber of computers

Page 56

22 Chapter 1 Overview of Xsan

Page 57

2 232 Planning a Storage Area NetworkThis chapter lists Xsan hardware and software requirements and offers planning guidelines and performance ti

Page 58 - Adding a Volume to a SAN

24 Chapter 2 Planning a Storage Area Network Supported Operating SystemsYou can install Xsan 2 only on computers with Mac OS X v10.5 Leopard or Ma

Page 59 - Setting Up a Folder Affinity

Chapter 2 Planning a Storage Area Network 25 Fabric ConfigurationYou must connect the computers, storage devices, and switches in your Fibre Channe

Page 60 - Removing an Affinity

26 Chapter 2 Planning a Storage Area Network Directory ServicesIf you plan to use user and group privileges to control access to files and folders

Page 61

Chapter 2 Planning a Storage Area Network 27 Important: If you create users and groups on each SAN computer, be sure that: Â Each user or group ha

Page 62

28 Chapter 2 Planning a Storage Area Network  How do you want to present available storage to users? What storage organization makes the most se

Page 63

Chapter 2 Planning a Storage Area Network 29 How Should Users See Available Storage?If you want the users working on a particular project to see a

Page 64

3 1 Contents Preface 9 About This Book10 What’s New in Xsan 2 10 Version Compatibility 10 Upgrading from an Earlier Version of Xsan 11 Getting

Page 65 - Renaming a Volume

30 Chapter 2 Planning a Storage Area Network  Choose a different primary metadata controller for each volume, and set up volume failover prioriti

Page 66

Chapter 2 Planning a Storage Area Network 31 Most RAID systems support all popular RAID levels. Each RAID scheme offers a different balance of perf

Page 67 - Defragmenting a Volume

32 Chapter 2 Planning a Storage Area Network Assigning LUNs to Affinity TagsWhen you create a volume using a preset volume type that fits your SAN

Page 68 - Repairing a Volume

Chapter 2 Planning a Storage Area Network 33 Choosing Metadata ControllersYou must choose at least one computer to be the SAN metadata controller,

Page 69 - Destroying a Volume

34 Chapter 2 Planning a Storage Area Network If you set up a custom volume with more than one storage pool, you can choose which storage pool is u

Page 70

Chapter 2 Planning a Storage Area Network 35 Â Use two separate networks—one for metadata and another for all other IP traffic. This configuration

Page 71 - Managing Clients and Users

36 Chapter 2 Planning a Storage Area Network If Your Fibre Channel Fabric Is Running Slower Than ExpectedThe following paragraphs list things you

Page 72 - Adding a Client

Chapter 2 Planning a Storage Area Network 37 Connecting RAID Systems to an Ethernet NetworkFor best performance, don’t connect RAID controller Ethe

Page 73 - Adding an Xsan Serial Number

38 Chapter 2 Planning a Storage Area Network When RAID controller write caching is enabled, a request to write data is considered finished as soon

Page 74

3 393 Setting Up a Storage Area NetworkThis chapter shows step by step how to set up a shared volume on an Xsan SAN.This chapter explains how to

Page 75 - Mounting a Volume on a Client

4 Contents 27 Outgoing Mail Service 27 Planning Your SAN 28 Planning Considerations and Guidelines 34 Planning the Ethernet TCP/IP Network 35 Using a

Page 76 - Changing Mount Options

40 Chapter 3 Setting Up a Storage Area Network Using Server Assistant to Configure Controllers You can use the Mac OS X Server setup assistant, Se

Page 77 - Managing Users and Groups

Chapter 3 Setting Up a Storage Area Network 41 Using Xsan AdminYou use the Xsan Admin application (installed in /Applications/Server/) to set up an

Page 78 - Adding SAN Users

42 Chapter 3 Setting Up a Storage Area Network Setting Up an Xsan Volume on a Storage Area NetworkStep 1: Set Up the Fibre Channel Networkm Conne

Page 79 - Deleting Groups

Chapter 3 Setting Up a Storage Area Network 43 Step 3: Configure SAN Computers to Use a Time Serverm To ensure consistent time metadata across all

Page 80 - Changing Group Membership

44 Chapter 3 Setting Up a Storage Area Network Later, in the “Add User Accounts” pane, you have the option of creating some user accounts. The Mac

Page 81

Chapter 3 Setting Up a Storage Area Network 45 New RAID systems are usually preconfigured as a set of RAID arrays that are ready to use as LUNs. Fo

Page 82

46 Chapter 3 Setting Up a Storage Area Network If you’re setting up new metadata controller, or a controller on which you have just performed a cl

Page 83 - Removing a Client from a SAN

Chapter 3 Setting Up a Storage Area Network 47 Step 8: Configure the SANYou use Xsan Admin to configure the SAN. The first time you use Xsan Admin

Page 84

48 Chapter 3 Setting Up a Storage Area Network  Use same authentication information for all SAN computers: Select this option to have Xsan Admin

Page 85

Chapter 3 Setting Up a Storage Area Network 49 Step 9: Create a VolumeWhen the Xsan setup assistant finishes basic SAN configuration, it asks if y

Page 86 - About Xsan Quotas

Contents 5 59 Setting Up a Folder Affinity 60 Changing a Folder’s Storage Pool Affinity 60 Removing an Affinity 61 Changing Advanced Volume Settings

Page 87 - Checking User Quota Status

50 Chapter 3 Setting Up a Storage Area Network  Spotlight: Enable this if you want Macintosh clients to be able to search the contents of the vo

Page 88

Chapter 3 Setting Up a Storage Area Network 51 For information about creating additional volumes, see “Adding a Volume to a SAN” on page 58.Step 10

Page 89

52 Chapter 3 Setting Up a Storage Area Network Removing a SANFollow these steps to take a SAN out of service, removing its metadata controllers, c

Page 90 - Action menu

4 534 Managing SAN StorageYou can use Xsan Admin and related command-line tools to expand, add, modify, check, and repair SAN volumes.This chapte

Page 91

54 Chapter 4 Managing SAN Storage Preparing LUNsEach LUN in an Xsan volume is a RAID array. The way you set up your arrays depends on the storage

Page 92

Chapter 4 Managing SAN Storage 55 Adding LUNs to a Storage PoolYou can increase the size of a SAN volume by adding LUNs (RAID arrays or array slice

Page 93 - Managing Metadata Controllers

56 Chapter 4 Managing SAN Storage To add a LUN to a storage pool:1 If you haven’t already done so, connect the RAID system that hosts the LUN to t

Page 94 - Adding a Metadata Controller

Chapter 4 Managing SAN Storage 57 Adding a Storage Pool to a VolumeYou can add free space to a SAN volume by adding a storage pool to the volume.If

Page 95

58 Chapter 4 Managing SAN Storage Adding a Volume to a SANA single Xsan SAN can provide access to multiple volumes.To add a volume:1 In Xsan Admin

Page 96 - $ sudo cvadmin -e select

Chapter 4 Managing SAN Storage 59 Setting Up a Folder AffinityEvery storage pool in a volume has an affinity tag. You can use the tag to be sure th

Page 97

6 Contents89 Creating Local Home Folders for Network Accounts90 Accessing Client Computers Remotely90 Controlling a Client Using Screen Sharing91 Con

Page 98

60 Chapter 4 Managing SAN Storage Changing a Folder’s Storage Pool AffinityYou can use Xsan Admin to change a folder’s affinity so all new files p

Page 99 - Monitoring Controller Status

Chapter 4 Managing SAN Storage 61 Changing Advanced Volume SettingsIf your SAN volume has special configuration requirements, you can change the st

Page 100

62 Chapter 4 Managing SAN Storage Setting the Block Allocation SizeXsan uses the volume block allocation size together with the storage pool strip

Page 101 - Monitoring SAN Status

Chapter 4 Managing SAN Storage 63 Changing the Volume Allocation StrategyYou can change the allocation strategy for a volume to choose how storage

Page 102 - Checking Volume Status

64 Chapter 4 Managing SAN Storage Changing the Windows ID MappingIf you have Windows clients on your SAN, this setting determines how they map use

Page 103 - Available space

Chapter 4 Managing SAN Storage 65 Renaming a VolumeTo change the name of a volume, you need to reinitialize the volume with the new name. You can’t

Page 104 - Graphing SAN Resource Usage

66 Chapter 4 Managing SAN Storage Setting the Storage Pool Stripe BreadthXsan uses both the storage pool stripe breadth and the volume block alloc

Page 105

Chapter 4 Managing SAN Storage 67 Checking Volume FragmentationWhen you create a file, Xsan divides the file into pieces and distributes these piec

Page 106 - Viewing Xsan Logs

68 Chapter 4 Managing SAN Storage Checking the Integrity of a VolumeIf SAN users are having trouble accessing files, you can use the cvfsck comman

Page 107 - Checking Volume Clients

Chapter 4 Managing SAN Storage 69 4 Check the volume to see if additional repairs are required:$ sudo cvfsck -vn volume5 If the report generated in

Page 108

Contents 711 2 If You’re Unable to Add LUNs to a Storage Pool11 3 If the Capacity of a Larger LUN is Listed as 2 Terabytes11 3 If File Copying Doesn’t

Page 109 - Solving SAN Problems

70 Chapter 4 Managing SAN Storage

Page 110 - $ sudo cvadmin

5 715 Managing Clients and UsersYou can use Xsan Admin and related command-line tools to add, control, and remove client computers and their user

Page 111

72 Chapter 5 Managing Clients and Users Adding a ClientBefore a computer can use a SAN volume, you need to add the computer to the SAN as a client

Page 112 - Interruption

Chapter 5 Managing Clients and Users 73 Adding an Xsan Serial NumberIf you have purchased additional Xsan software serial numbers for client comput

Page 113

74 Chapter 5 Managing Clients and Users Moving a Client to a Different SANYou can move a client from one Xsan SAN to a different SAN on the same E

Page 114

Chapter 5 Managing Clients and Users 75 Mounting a Volume on a ClientVolumes are automatically mounted on SAN computers when you create the volumes

Page 115 - Combining Xsan Controllers

76 Chapter 5 Managing Clients and Users Changing Mount OptionsYou can use Xsan Admin to adjust settings that can affect volume access performance.

Page 116 - Licensing

Chapter 5 Managing Clients and Users 77 Managing Users and GroupsDepending on how you first set up your SAN, you can manage users and groups using

Page 117

78 Chapter 5 Managing Clients and Users Adding SAN UsersOnly users in the SAN’s directory can log in to a client computer and access Xsan volumes.

Page 118

Chapter 5 Managing Clients and Users 79 Deleting SAN UsersOnly users in the SAN’s directory can log in to a client computer and access Xsan volumes

Page 120

80 Chapter 5 Managing Clients and Users Changing Group MembershipYou can use Xsan Admin to change the members of a group at any time.Note: These

Page 121 - Xsan Commands

Chapter 5 Managing Clients and Users 81 3 Select the file or folder you want to protect and choose Set Permissions from the Action (gear) pop-up me

Page 122

82 Chapter 5 Managing Clients and Users Restricting a Client to Read-Only AccessTo prevent a user on a client computer from modifying data on a SA

Page 123

Chapter 5 Managing Clients and Users 83 Removing a Client from a SANYou can remove a client computer from a SAN to prevent it from accessing SAN vo

Page 124

84 Chapter 5 Managing Clients and Users Mapping Windows User and Group IDsYou can use the Windows ID Mapping setting for a volume to specify how W

Page 125 - ,” below

Chapter 5 Managing Clients and Users 85 Setting SAN User and Group QuotasYou can use Xsan Admin to set quotas to manage the amount of storage avail

Page 126

86 Chapter 5 Managing Clients and Users If your Xsan computers connect to another Mac OS X Server for user and group accounts, use Workgroup Manag

Page 127

Chapter 5 Managing Clients and Users 87 ExampleSuppose you assign Aldo a soft quota of 75 GB, a hard quota of 100 GB, and a grace period of 48 hour

Page 128

88 Chapter 5 Managing Clients and Users To view quota status:m In Xsan Admin, select “Users and Groups” or Quotas in the SAN Assets list. (You see

Page 129

Chapter 5 Managing Clients and Users 89 Helping Clients Check Their Own QuotasSAN users who work on client computers but don’t have access to Xsan

Page 130 - Unmounting an Xsan Volume

9PrefaceAbout This BookUse this guide to learn how to use Xsan 2 set up and manage volumes on a storage area network.This guide shows how to use

Page 131 - Xsan Configuration Files

90 Chapter 5 Managing Clients and Users Accessing Client Computers RemotelyXsan Admin can help you connect to an Xsan client computer so you can o

Page 132

Chapter 5 Managing Clients and Users 91 If you have trouble sharing the screen of a remote computer, check the Sharing pane of System Preferences o

Page 133 - Glossary

92 Chapter 5 Managing Clients and Users

Page 134 - 134 Glossary

6 936 Managing Metadata ControllersTo increase SAN security and redundancy, you can add, switch, and monitor Xsan metadata controllers.Every SAN

Page 135 - Glossary 135

94 Chapter 6 Managing Metadata Controllers Adding a Metadata ControllerYou can add one or more standby controllers to a SAN so that volumes are st

Page 136 - 136 Glossary

Chapter 6 Managing Metadata Controllers 95 Setting Controller Failover PriorityWhen the primary metadata controller for a volume fails, Xsan uses t

Page 137 - command 125

96 Chapter 6 Managing Metadata Controllers Finding Out Which Controller Is Hosting a VolumeControl of a volume can move from one metadata controll

Page 138 - 138 Index

Chapter 6 Managing Metadata Controllers 97 Listing the Volumes Hosted by a ControllerYou can use Xsan Admin or the cvadmin command to find out whic

Page 139 - command 128

98 Chapter 6 Managing Metadata Controllers Accessing Controller Computers RemotelyXsan Admin can help you connect to an Xsan controller so you can

Page 140 - 140 Index

Chapter 6 Managing Metadata Controllers 99 Connecting to a Controller Using SSH in TerminalYou can use the Secure Shell (SSH) tool from the command

Comments to this Manuals

No comments