Apple Xsan User Manual Page 121
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Appendix B Using the Command Line 121
List the extents:
$ snfsdefrag -e datafile
Defragment the le datale:
$ snfsdefrag datafile
Defragment every le in the folder /datafolder/ (or any folder within /datafolder/) that
has more than one extent:
$ snfsdefrag -r datafolder
Recover unused preallocated disk space assigned to every le in folder /datafolder/:
$ snfsdefrag -rp datafolder
Controlling the Xsan File System (xsanctl)
Use the xsanctl command to control basic Xsan le system functions. For details, see
the xsanctl man page.
$ sudo xsanctl command
xsanctl Commands
xsanctl command Description
ping
Sends a ping message to the Xsan le system
to verify that it’s responding to management
requests.
mount volume
Mount an Xsan volume on the computer.
volume – the name of the volume
unmount volume
Unmount an Xsan volume on the computer.
volume – the name of the volume
sanConfigChanged
Noties the Xsan le system that it should reload
the SAN conguration.
disksChanged
Noties the Xsan le system that it should rescan
disks.
Mounting an Xsan Volume
Use the xsanctl command to mount an Xsan volume on a computer.
To mount a volume from the command line:
1 Go to the computer and open Terminal, or use SSH to log in to the computer remotely:
$ ssh user@computer
Replace user with the name of a user account on the remote computer and computer
with its IP address or DNS name.
2 Mount the volume:
$ sudo xsanctl mount volume
- Administrator Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- About This Book 9
- What’s New in Xsan 2 10
- Version Compatibility 10
- Overview of Xsan 13
- Xsan Storage Area Networks 14
- Shared SAN Volumes 15
- Metadata Controllers 15
- Network Connections 15
- How Xsan Storage Is Organized 16
- Storage Pools 17
- Anities and Anity Tags 17
- Folders with Anities 18
- Security 19
- Expanding Storage 20
- Xsan Capacities 20
- Supported Computers 21
- Supported Storage Devices 22
- Fibre Channel Fabric 22
- Ethernet TCP/IP Network 23
- Directory Services 24
- Planning Your SAN 25
- Conguring RAID Systems 34
- Preparing LUNs 37
- Using Xsan Admin 39
- SAN and Volume Setup Summary 39
- Step 5: Set Up RAID Systems 42
- Step 8: Congure the SAN 44
- Step 9: Create a Volume 46
- Renaming a SAN 49
- Removing a SAN 49
- Managing Multiple SANs 50
- Setting Up Additional SANs 50
- Managing SAN Storage 51
- Adding a Volume to a SAN 53
- Adding LUNs to a Storage Pool 55
- Setting Up a Folder Anity 57
- Removing an Anity 58
- Enabling Extended Attributes 61
- Renaming a Volume 62
- -f option: 64
- Defragmenting a Volume 64
- command to check the 65
- Repairing a Volume 66
- Destroying a Volume 66
- Managing Clients and Users 67
- Adding an Xsan Serial Number 68
- Mounting a Volume on a Client 70
- Managing Users and Groups 71
- Adding SAN Users 72
- Deleting SAN Users 72
- Creating Groups 73
- Deleting Groups 73
- Changing Group Membership 73
- Unmount button 75
- Select the volume 75
- Select to view 75
- computers that have 75
- the volume mounted 75
- Removing a Client from a SAN 77
- About Xsan Quotas 80
- Checking User Quota Status 81
- Helping Users Check Quotas 83
- Connection 84
- Action menu 84
- Managing Metadata Controllers 86
- Adding a Metadata Controller 87
- $ sudo cvadmin -e select 89
- Monitoring Controller Status 92
- Monitoring SAN Status 93
- Checking Volume Status 94
- Monitoring RAID Devices 94
- Available space 95
- Graphing SAN Resource Usage 96
- Viewing Xsan Logs 98
- Checking Volume Clients 99
- Solving SAN Problems 100
- $ sudo cvadmin 101
- Interruption 103
- StorNext Clients 105
- Terminology 106
- Licensing 106
- Using the Command Line 108
- Notation Conventions 109
- Xsan Commands 110
- To enter interactive mode: 111
- ” below 116
- Examples 120
- Mounting an Xsan Volume 121
- Xsan Conguration Files 122
- Glossary 123
- 12 4 Glossary 124
- Glossary 12 5 125
- Index 12 7 127
- 12 8 Index 128
- Index 12 9 129
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