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Re: Ignite cloned system, /var "used space" less than original

 
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Masaki Birchmier
Frequent Advisor

Ignite cloned system, /var "used space" less than original

I created a make_recovery tape with the -A option. This backups up everything in the root volume group. (I only have 1 volume group)
When I brought the cloned system up, the used space of /var was ~32 Mbytes less than the original.

Is this normal? Does ignite not backup some files in /var even with the -A option?

Masaki
5 REPLIES 5
A. Clay Stephenson
Acclaimed Contributor
Solution

Re: Ignite cloned system, /var "used space" less than original

This difference could easily be (and almost certainly is) /var/tmp, var/spool, /var/mail - transient files.
If it ain't broke, I can fix that.
Cheryl Griffin
Honored Contributor

Re: Ignite cloned system, /var "used space" less than original

Check the make_recovery logs. Sparse files could make up the difference. Or it could be the difference between essential files and non-essential files.

Check what was written to the logs.
/var/opt/ignite/logs/makrec.log2 contains all files that were written to tape. Check makrec.log1 for errors.

make_recovery is going to be obsoleted in favor of make_tape_recovery and make_net_recovery. You may want to make sure you have an updated version from:
http://www.software.hp.com/products/IUX/

Cheryl
"Downtime is a Crime."
Martin Johnson
Honored Contributor

Re: Ignite cloned system, /var "used space" less than original

If you interact with the recovery, which is what you usually do when you are cloning, ignite does not restore everything. The "missing" file were usually in /var/tmp, and /var/spool.

With earier versions of ignite, some of the config files would be replaced with templates, which could cause problems (like DNS resolution not working properly).

HTH
Marty
John Bolene
Honored Contributor

Re: Ignite cloned system, /var "used space" less than original

also /var/opt/perf/datafiles, /var/adm/syslog

all those files are meaningless on another machine
It is always a good day when you are launching rockets! http://tripolioklahoma.org, Mostly Missiles http://mostlymissiles.com
Masaki Birchmier
Frequent Advisor

Re: Ignite cloned system, /var "used space" less than original

I think I know what happened. I ran "bdf" "during" the make_recovery process.
I'm sure there were active temp files for the make_recovery process which increased the size of /var.

When I checked the size of /var on the original system "after" make_recovery, the size matched up to the new system.

Thanks everyone for your input,
Masaki