Networker

[Networker] RE : [Networker] single client in multiple groups

2005-07-19 05:58:37
Subject: [Networker] RE : [Networker] single client in multiple groups
From: "Faidherbe, Thierry" <thierry.faidherbe AT HP DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Tue, 19 Jul 2005 11:56:41 +0200
You cannot do it from another way : By default, incrs rely always on last full 
or previous incr cycle and diffs 
rely always on last full cycle or other diff levels when save cmds are started 
by savegrp 
(that retrieves, from mediadb, savetime of last reference saveset).
 
The behaviour you described is the expected one.

As nothing can prevent/certify your incr,diff or even full backup copies to be 
the same
if you need two identical copies, you should have a look at cloning.
Between both backup cycle (without regards of level) one or more files may not 
be
the same in both backup copies that could result, during recover, in data 
inconsistencies.
 
Doing what you are doing with incr levels also means that in case of recover, 
you will
have to apply the 2 incr per day, increasing your recover time : last full + 
(first incr followed
by second incr of Day 1) + (first incr followed by second incr of Day 2) .....
Always remember : Client file indexes that store backuped files information is 
client-based,
not group based.
 
HTH,
 
Thierry
 

________________________________


-----Original Message-----
From: Legato NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] 
On
Behalf Of Nick Tan
Sent: Tuesday, July 19, 2005 5:58 AM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: [Networker] single client in multiple groups

Hi All,

I have a client which is in two groups.  This is what is happening:

Group 1 runs first and does a full backup.  The size is 5GB
Group 2 runs later that night and does a full backup.  The size is 5GB.

Looks good so far.  During the day, the clients creates 3GB data.

Group 1 runs first and does an incremental.  The size is 3GB.
Group 2 runs later that night and does an incremental.  The size is
500kb.

It looks like both groups are sharing the same file index.  Is there a
way to make it so each group reads its own index.  In the example
above, I want Group 2 to be backing up the 3 GB in the incremental as
well as group 1.

I am running Networker 7.1 on Solaris 8. The client in question is
Solaris 8 also.

Thanks,

Nick

--
Nick Tan
Unix Systems Manager
The Walter and Eliza Hall Institute
nick AT wehi.edu DOT au

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