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February 3rd, 2011 05:00

Networker Recovery Question

Hello ,

I currently have a one time to tape backup of 15 tb of data off a folder on an Ubuntu server. The folder was mounted to a red hat server So I could create the backup from there. The backup is running fine and has copied about 12 tb of data so far. Then i started thinking when this finishes , will the data be usable? I  only configured the folderbackup I didnt setup an index backup or anything like that. I wasnt sure how that worked or If i will be all set. I am new to Networker. I appreciate any help

Thank you  Tony

334 Posts

February 3rd, 2011 10:00

Hi Tony,

Yes, this should work.  What is the status so far?

Allan

2 Intern

 • 

243 Posts

February 7th, 2011 00:00

Tony

A manual backup will not do a backup of the indexes but that does not mean it will not create one.  The index created will be backed up the next time a scheduled backup of that client is ran.  If it concerns you then you can run one manually from the backup server:

savegrp -c clientname -O groupname

- where clientname is the name of the client and groupname is the name of a group which that client is a member of.

6 Posts

February 7th, 2011 05:00

That worked removing the reference from the mount directory worked .

Thank you for all your help

Tony

6 Posts

February 7th, 2011 05:00

Thank you David,

The backup is a one time backup of over 15 TB's I fired it off manually .

The backup has been running for over a week. My concern is the Backup will

complete and the data will be ther ebut will be unusable because there was

no index.

Is this the case ? or do you think the data will be recoverable as is ?

WIll running the command you mention fix this issue ?

Thank you for your help

Tony

On Mon, Feb 7, 2011 at 4:00 AM, David Hampson

6 Posts

February 7th, 2011 06:00

This is great information ,

Yes I did have the ubuntusrv folder mounted to the red hat server and then a

ran a backup through the NMC ( GUI ) via a new client configuration I setup

in the NMC.

From the information you provided I should be allset .

Thank you very much for your help this is great

Tony

On Mon, Feb 7, 2011 at 9:44 AM, David Hampson

2 Intern

 • 

243 Posts

February 7th, 2011 06:00

Hi Tony

I guess I was not clear in my explanation:

  • When you back up data with Networker it will normally automatically create an index of that backed up data so that you can browse what you have backed up for restores.
  • When you run a scheduled backup (savegrp from server) the indexes will be backed up automatically.  When you run a manual backup (save from client) it will back up the data but will not backup the index but the index entries it creates will be backed up at the next backup of that client index.
  • You have mounted an external drive on a Networker client; the index entries will be recorded under the Networker client on which the drive was mounted (ie your Redhat host) not the host that it is internal to (ie your Ubuntu host).
  • As long as your backup completes successfully you will be able to recover the data by browsing the data.
  • A successful backup does not require an index to be recoverable; data can still be recovered by a saveset recovery (and you do not need to recover the whole saveset if you know the path to your data) or you can rebuild the indexes using scanner if you do not have an index backup.

It is unclear when you say you started a manual backup whether you went onto the local client (Redhat) and ran a save command there, or you manually started the backup from the server (or GUI); if you did the latter then this would automatically backup your indexes after completion.

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