Networker

Re: [Networker] Disaster Recovery of RMAN only Client

2004-02-13 18:50:32
Subject: Re: [Networker] Disaster Recovery of RMAN only Client
From: "Andrewjeski, Mike - GPM" <Mike.Andrewjeski AT GREENPOINT DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Fri, 13 Feb 2004 15:50:20 -0800
Thanks Mark!,

My co-workers have been asking me to stop chanting "scanner is your friend".

Now I have the means to do so.

Best Regards.

Mike



>Hi Mike,

>If you are not running *any* scheduled backups on your rman client (i.e.
You
>are not running any scheduled filesystem backups and you are not using
>NetWorker to schedule your rman backups) then NetWorker will not be backing
>up the index of the rman client.

>Also, your "savegrp -v -O -l full <groupname>" will make NetWorker save the
>client indexes of any clients defined in "groupname". Reading between the
>lines of what you are saying I'm guessing that your rman client is not in
>this group so its client index is not being saved. If this is the case then
>this is why the client index cannot be recovered with nsrck -L7.

>While it is true that rman saves information about the backup in an Oracle
>recovery catalogue and/or in the database controlfile, NetWorker also
stores
>information about the backup in the client index for the rman client. If
you
>lose this index you cannot recover using rman until you recreate it - this
>is why your recovery failed until you scanned the tape in.

>Best bet is to make sure the client index of the rman client is saved prior
>to deleting all the indexes. This will let you recover your client index
>using nsrck -L7 and do your rman recovery without having to scan tapes.

>Hope this helps!

>Mark

>> Hi List,
>>
>> We're testing disaster recovery, and the first test is to restore a
database
>> that was backed up using rman.
.> The Server is 6.1.3 and the oracle modules is version 3 I believe. Both
>> server and client are Solaris 8.
>> To do this test what we have done is to config the rman client and the
>>etworker Server and do a successfull
>>man backup and restore. Then do a full backup of the server followed by a
>> "savegrp -v -O -l Full <GroupName>.
>> then stop services, rename the nsr directory, re-install Networker,
>> jbconfig, mmrecov, nsrjb -HEv, re-inventory nsrck -l7 (which gets the
server
>> indexes but fails on the rman client). When I try to restore the client
>> indexes
>> using nwrecover, I can see that I have nothing under
~nsr/index/<ClientName>
>>
>> Seems to me the issue is we're not getting the client indexes back down
from
>> tape, and so cannot perform a restore.
>> Mind you, there have been no Server initiated backups, only rman started
>> from the client.  Anyone have any ideas
>> what step I've omitted or how to get the client indexes back? BTW mminfo
-a
>> -c shows the correct info.
>>
>> thanks in advance
>>
>> mike
>>
>> --
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