Solaris Backup and Restore with ufsdump :- Some useful options

Hi All,

1. Backing up to a file:

root@host #  ufsdump -0f /admin/backup/etc.dump /etc

  DUMP: Date of this level 0 dump: Mon Jul 05 16:41:36 2010

  DUMP: Date of last level 0 dump: the epoch

  DUMP: Dumping /dev/rdsk/c1t0d0s0 (cat:/) to /admin/backup/etc.dump.

  DUMP: Mapping (Pass I) [regular files]

  DUMP: Mapping (Pass II) [directories]

  DUMP: Writing 32 Kilobyte records

  DUMP: Estimated 148290 blocks (72.41MB).

  DUMP: Dumping (Pass III) [directories]

  DUMP: Dumping (Pass IV) [regular files]

  DUMP: 147902 blocks (72.22MB) on 1 volume at 8136 KB/sec

  DUMP: DUMP IS DONE

2. Restoring data from backup file.

For non interactive (this will restore everything) restore:-

ufsrestore -xvf /admin/backup/etc.dump

for interactive restore:-

ufsrestore -ivf /admin/backup/etc.dump

Here is the proceedure to restore single file named hosts.090610 only.

 ufsrestore -ivf /admin/backup/etc.dump

root@host # ufsrestore -ivf etc.dump

Verify volume and initialize maps

Media block size is 126

Dump   date: Mon Jul 05 16:41:36 2010

Dumped from: the epoch

Level 0 dump of a partial file system on cat:/etc

Label: none

Extract directories from tape

Initialize symbol table.

ufsrestore >

ufsrestore > cd /etc

ufsrestore > ls hosts*

   1378  hosts

   5795  hosts.090610

ufsrestore >

ufsrestore > add hosts.090610

Warning: ./etc: File exists

ufsrestore > extract

Extract requested files

You have not read any volumes yet.

Unless you know which volume your file(s) are on you should start

with the last volume and work towards the first.

Specify next volume #: 1

extract file ./etc/hosts.090610

Add links

Set directory mode, owner, and times.

set owner/mode for '.'? [yn] y

Directories already exist, set modes anyway? [yn] y

3. Copying the contents of a directory to another directory including symbolic links. This is useful when you want to migrate data to new mount point or different path.

Here, all the data /etc will be copied to /admin/backup/etc.

root@host #mkdir /admin/backup/etc

root@host# ufsdump -0f  - /etc|(cd /admin/backup/etc;ufsrestore -xvf -).

Just before this command finish, it may prompt for setting ownership, it must be answered as yes.

After complete above command, if  you found that its restored using relative path, you can just use mv command to move the data.

For instance, if the restoration happend /admin/backup/etc/etc, you do a mv *  /admin/backup/etc/etc/* /admin/backup/etc.