Re: ISO backup on NFS mount vs NFS backup

Hi Nick,

I would recommend the second method (-n "nfs://10.10.10.100:/data/col1/bkup-share" -d $TargetDir2).
Then, when booting on the first iso (the one created by mondoarchive in your $TargetDir2), that TargetDir2 directory will be NFS automagically mounted to restore the other iso files ; because the NFS mount information are stored in that first iso, in mondo-restore.cfg file (in tmp directory of images/all.tar.gz), you can check it by opening the first iso through 7-Zip (http://www.7-zip.org).

Rgds, Victor

-----Original Message-----
From: Nikolaos Milas [mailto:[email protected]] 
Sent: samedi 6 mai 2017 20:46
To: Mondo mailing list <[email protected]>
Subject: [Mondo-devel] ISO backup on NFS mount vs NFS backup

Hello,

I would like mainly to ask what is considered best practice in backing up / restoring using NFS.

As an example, I have tried using:

TargetDir1=/mnt/nfs-share/vm-x1/mondo-`hostname`-`date +%Y-%m-%d` /usr/sbin/mondoarchive -O -i -z -s 4480m -d $TargetDir1 -E "/mnt" -9

which creates ISO files on an NFS shared directory, already mounted at /mnt/nfs-share.

I also tried:

TargetDir2=vm-x1/mondo-`hostname`-`date +%Y-%m-%d` /usr/sbin/mondoarchive -O -n "nfs://10.10.10.100:/data/col1/bkup-share" 
-d $TargetDir2 -E "/mnt" -9

The two methods in fact store the backup at exactly the same place.

I was expecting the latter method to store a backup as one file, but in fact it also created a set of ISO files.

Questions:

1. Are both backup methods above considered OK to use?
2. Is it considered sane practice to use the NFS backup method on a network NFS share which is already mounted on the box?
2. If both methods are considered OK, how could we compare their advantages/disadvantages?
3. What are the differences in restoring? In general, are (should) mondoarchive backups be able to be restored with any restore method, regardless the method they have been taken?

As an example:
Can backups of both methods above be restored as mounted ISOs (virtual DVDs)?
Can backups of both methods above be restored from a mounted directory (as NFS mount) with the "Restore from Hard Disk" method?
Can backups of both methods above be restored using network (NFS) restore method?

Can you please help me understand?

Thank you very much,
Nick



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