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Copy the dump file onto another disk in Solaris 10

Posted on 2016-11-01
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Last Modified: 2016-11-06
I have a Solaris 10 machine, with that I have created a back up dump file in export/home. Now I have connected another hard drive to the same machine for restore. I have used Ufsdump to create dump file.

What are the next steps once I connect another empty hard drive?
Do I need to configure or mount or what needs to be done so that I copy the dump file into this hard drive and ufsrestore?
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Question by:Puneeth MH
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Hanno Schröder earned 500 total points
ID: 41869715
In the following, let's assume your boot disk is c0t0d0 and the new (second) disk is c0t1d0
a) Add the new disk (assumed you did boot with "reconfigure" already)
    Either partition the disk for filesystems using "format" program
    or (if the disk is the same as your original disk) copy the vtoc
    prtvtoc /dev/rdsk/c0t0d0s2 | fmthard -s - /dev/rdsk/c0t1d0s2

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   This defines how the filesystems on the disk will be laid out
b) Create the desired filesystem(s) on you disk with newfs, e.g.
     newfs -f ufs /dev/rdsk/c0t1d0s0

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c) mount the new filesystem (let's use /mnt here):
    mount /dev/dsk/c0t1d0s2 /mnt

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d) Go into mount pount and extract ufsdump
    cd /mnt
    ufsrectore xf /export/home/dump-file

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Expert Comment

by:Hanno Schröder
ID: 41869717
Sorry for the typo in last line: "ufsrestore"
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Assisted Solution

by:Puneeth MH
Puneeth MH earned 0 total points
ID: 41869986
newfs /dev/rdsk/c0t1d0s0 showing I/O error:
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Author Comment

by:Puneeth MH
ID: 41870046
Ok The above I/o error got cleared, but ufsrestore asking to specify the next volume#;
What to specify is it 1/0?
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Assisted Solution

by:Hanno Schröder
Hanno Schröder earned 500 total points
ID: 41870070
the first volume is 1 -- if you have only a single volume, it's always 1
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Author Comment

by:Puneeth MH
ID: 41870077
The output for ufsrestore is as below,

# ufsrestore xf /export/home/root.dump
Warning: ./lost+found: File exists
You have not read any volumes yet.
Unless you know which volume your files are on you should start with last volume and work towards the first.
Specify the next volume #:
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Assisted Solution

by:Hanno Schröder
Hanno Schröder earned 500 total points
ID: 41870082
if you put in
  1
and press return it should start extracting the files.
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Author Comment

by:Puneeth MH
ID: 41870169
I did installgrub because installboot was obsolete, it worked fine. stage1 and stage2 got written to partition.

What are next steps?
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Assisted Solution

by:Hanno Schröder
Hanno Schröder earned 500 total points
ID: 41870183
create a reconfigure file on the new root fs:
touch /mnt/reconfigure

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shut down, put the new disk into target machine and reboot.
Note: This works only if the machines are not too much different from each other!
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Author Comment

by:Puneeth MH
ID: 41871647
Thanks a ton Hanno, I got it working with similar hardware configuration.
You have been a constant support in getting this done. I am grateful to you.

Under what hardware differences this would work?
If there are differences in hardware what to use to clone?
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Author Comment

by:Puneeth MH
ID: 41871708
This particular task I did as a mock drill, which was just a raw machine with some files. But if it were to be a full fledged machine with various application running on it then, will the applications work after cloning in target machine by this procedure?
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Assisted Solution

by:Hanno Schröder
Hanno Schröder earned 500 total points
ID: 41871867
The problem arises when the hardware is very much different which may create problems with certain drivers upon booting the new machine.
Once the machine is up and runnind all applications will work fine.
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Author Comment

by:Puneeth MH
ID: 41873825
What is the alternate command for fssnap in Solaris sun OS 4.1.3? Or In the procedure from the two posts what that could change for 4.1.3? I have asked this in another post you can reply there if you wish to.
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Assisted Solution

by:Hanno Schröder
Hanno Schröder earned 500 total points
ID: 41873836
I did reply there already ;-)
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Author Closing Comment

by:Puneeth MH
ID: 41876692
Thanks for the untiring support.
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