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System Administration Guide: Devices and File Systems     Oracle Solaris 10 8/11 Information Library
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Document Information

About This Book

1.  Managing Removable Media (Overview)

2.  Managing Removable Media (Tasks)

3.  Accessing Removable Media (Tasks)

4.  Writing CDs and DVDs (Tasks)

5.  Managing Devices (Overview/Tasks)

6.  Dynamically Configuring Devices (Tasks)

7.  Using USB Devices (Overview)

8.  Using USB Devices (Tasks)

9.  Using InfiniBand Devices (Overview/Tasks)

10.  Managing Disks (Overview)

11.  Administering Disks (Tasks)

12.  SPARC: Setting Up Disks (Tasks)

13.  x86: Setting Up Disks (Tasks)

14.  Configuring Oracle Solaris iSCSI Targets and Initiators (Tasks)

15.  The format Utility (Reference)

16.  Managing File Systems (Overview)

17.  Creating and Mounting File Systems (Tasks)

18.  Using The CacheFS File System (Tasks)

19.  Configuring Additional Swap Space (Tasks)

20.  Checking UFS File System Consistency (Tasks)

21.  UFS File System (Reference)

22.  Backing Up and Restoring UFS File Systems (Overview)

23.  Backing Up UFS Files and File Systems (Tasks)

24.  Using UFS Snapshots (Tasks)

25.  Restoring UFS Files and File Systems (Tasks)

Restoring UFS Files and File System Backups (Task Map)

Preparing to Restore UFS Files and File Systems

Determining the UFS File System Name

Determining the Type of Tape Device You Need

Determining the Tape Device Name

Restoring UFS Files and File Systems

How to Determine Which Tapes to Use

How to Restore UFS Files Interactively

How to Restore Specific UFS Files Noninteractively

How to Restore a Complete UFS File System

How to Restore a UFS root (/) and /usr File System

26.  UFS Backup and Restore Commands (Reference)

27.  Copying Files and File Systems (Tasks)

28.  Managing Tape Drives (Tasks)


Preparing to Restore UFS Files and File Systems

The ufsrestore command copies files to disk, relative to the current working directory, from backups that were created by using the ufsdump command. You can use the ufsrestore command to reload an entire file system hierarchy from a level 0 dump and incremental dumps that follow it. You can also use this command to restore one or more single files from any backup tape. If you run the ufsrestore command as superuser, files are restored with their original owner, last modification time, and mode (permissions).

Before you start to restore files or file systems, you need to know the following:

Determining the UFS File System Name

If you have properly labeled your backup tapes, you should be able to use the file system name (/dev/rdsk/device-name) from the tape label. For more information, see How to Find UFS File System Names.

Determining the Type of Tape Device You Need

You must use a tape device that is compatible with the backup media to restore the files. The format of the backup media determines which drive you must use to restore files. For example, if your backup media is 8-mm tape, you must use an 8-mm tape device to restore the files.

Determining the Tape Device Name

You might have specified the tape device name (/dev/rmt/n) as part of the backup tape label information. If you are using the same drive to restore a backup tape, you can use the device name from the label. For more information on media devices and device names, see Chapter 28, Managing Tape Drives (Tasks).