Hi ,

I am tasked with backing up an Oracle DB that runs in VM's (Oracle Xen).  It is 
my understanding based on what the vendor told me that if I back up the Oracle 
DB using NDMP I will get not only the LUNS, but the LUN setup.  Meaning if I 
restore to a blank filer I can expect the LUNS to be recreated on that filer, 
and Oracle should connect with some minor IP reconfiguration.

To prove this concept I took our test environment filer, a FAS2020, and a 
second blank FAS2020.  I stop the DB - shut down all the pertinent VM's, take a 
set of manual snapshots of all vols, and then restart all the VM's.  I then 
back up the snapshots via remote NDMP - the FAS2020s are not NDMP licensed.   
The next step is obviously to restore the snapshots to the blank filer as a 
proof of concept.  The LUN gets restored, but I get no LUN setup - I have to 
manually recreate them.

Am I correct in the first statement - that the LUNS will get rebuilt?  If I 
take manual snapshots to back up the Oracle production database will I still 
get the LUN setup?  Am I way off base here?


As far as I can see my only choice is to take manual snaps on the prod filer.  
I can't back up the Prod DB while its running, and I can't afford the time it 
takes to back up the entire environment with NDMP while it is down.  So I shut 
it down, take a snap, start it again, and then back up the snap.  Is that 
valid?   I don't have a large enough test restore filer to test this with the 
prod environment.

Thanks in advance.

Joe

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