Example—Performing an Incremental Backup of root (/) (System Administration Guide: Basic Administration)

System Administration Guide: Basic Administration

Example—Performing an Incremental Backup of root (`/`)

The following example shows how to do an incremental backup of the root (/) file system in single-user mode. The following ufsdump options are included:

9 specifies a 9 level dump (or an incremental backup).
u specifies that the /etc/dumpdates file is updated with the date of this backup.
c identifies a cartridge tape device.
f /dev/rmt/0 identifies the tape device.
/ is the file system being backed up.

# init 0
ok boot -s
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Rebooting with command: boot -s
SunOS Release 5.9  Generic May 2002
Copyright 1983-2003 Sun Microsystems, Inc.  All rights reserved.
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# ufsdump 9ucf /dev/rmt/0 /
 DUMP: Date of this level 9 dump: Mon Oct 06 12:36:10 2003 
 DUMP: Date of last level 0 dump: Wed Oct 08 10:12:13 2003
 DUMP: Dumping /dev/rdsk/c0t0d0s0 (starbug:/) to /dev/rmt/0.
 DUMP: Mapping (Pass I) [regular files]
 DUMP: Mapping (Pass II) [directories]
 DUMP: Writing 63 Kilobyte records
 DUMP: Estimated 335844 blocks (163.99MB).
 DUMP: Dumping (Pass III) [directories]
 DUMP: Dumping (Pass IV) [regular files]
 DUMP: 335410 blocks (163.77MB) on 1 volume at 893 KB/sec
 DUMP: DUMP IS DONE
 DUMP: Level 9 dump on Mon Oct 06 12:36:10 2003
 # ufsrestore tf /dev/rmt/0
         2      .
         3      ./lost+found
      5696      ./usr
     11392      ./var
     17088      ./export
     22784      ./export/home
     28480      ./opt
      5697      ./etc
     11393      ./etc/default
     11394      ./etc/default/sys-suspend
     11429      ./etc/default/cron
     11430      ./etc/default/devfsadm
     11431      ./etc/default/dhcpagent
     11432      ./etc/default/fs
     11433      ./etc/default/inetinit
     11434      ./etc/default/kbd
     11435      ./etc/default/nfslogd
     11436      ./etc/default/passwd
     11437      ./etc/default/tar
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