Server migration - using ufsdump


 
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Operating Systems Solaris Server migration - using ufsdump
# 1  
Old 02-15-2016
Server migration - using ufsdump

hi all,

i am refreshing my hardware, but i do not want to do a clean installation/reinstallation.

I am wondering if i could do
- do a ufsdump of the / partition (into a file on a nfs share)
- bootup using cdrom in the new machine
- mount the boot device/slice, and restore the ufsdump on it.

is this way feasible ?

Regards,
Noob
# 2  
Old 02-15-2016
What Solaris version? What Hardware?
This User Gave Thanks to DukeNuke2 For This Post:
# 3  
Old 02-15-2016
Hi Duke2nuke,

M10, solaris10 to the same.


Regards,
Noob
# 4  
Old 02-16-2016
Hi Javanoob,

You would probably be better using a FLAR image, there are some quite good notes here.

Regards

Gull04
This User Gave Thanks to gull04 For This Post:
# 5  
Old 02-17-2016
Quote:
Originally Posted by gull04
Hi Javanoob,

You would probably be better using a FLAR image, there are some quite good notes here.

Regards

Gull04
Hi Gull04,

Thanks for the link.

On reading this
https://blogs.oracle.com/Doc/entry/f...es_v_s_backups
Do you mind to elaborate further why FLARcreate will be a better option here ?

I am trying to restore my old system onto similar piece (but newer hardware).

--would like to keep all the existing hostnames, device naming , etc.

Regards,
Noob
# 6  
Old 02-17-2016
It sounds like you've already started down the ufsdump/ufsrestore route although I agree with gull04 that 'flar' might be easier.

However, it's quite possible to restore a ufsdump onto different hardware provided you know what to look out for.

You should search THIS FORUM for this issue as most of the answers are already on here. Therefore, for starters, here are some threads I've been involved in on this subject which I suggest you read first.

Restoring a system from a backup

Restore a server from a ufsdump

It can be quite tricky if you don't know what might happen but dead simple when you do.

Any further questions just post them back here and hit us with them.

Good luck!
This User Gave Thanks to hicksd8 For This Post:
# 7  
Old 02-17-2016
Hi,

In general the FLAR method is much more tolerant of hardware variation, leaving less remediation work after the event. In my experience it doesn't completely eliminate it, but it can take out a lot of time consuming configuration work.

Regards

Gull04
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