Networker

Re: [Networker] recommendation to backup 1.5 million small files?

2008-01-25 08:07:20
Subject: Re: [Networker] recommendation to backup 1.5 million small files?
From: Rob Sterba <Sterba_Robert AT EMC DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Fri, 25 Jan 2008 08:02:45 -0500
SnapImage I believe is a good option here, but in your case, powersnap would be 
a great option here too.  You could use it in one of two ways.  

You could have it generate your snapshots for you on the EVA and then mount 
them to the Networker server and index them.  These indexes would be associated 
with the client, not the mount host.  This would allow you to perform "instant" 
backups (creating a BCV) and maintain the advantage of having file level 
indexes and recoveries of these files without the slow file level backups.  In 
terms of recovery, you could then rollback the entire BCV, or just recover 
individual files from that BCV, without ever going to tape.  

Of course you could also use this in combination with backup to tape or disk 
also by sending all or one of these BCV's to tape, and of course, powersnap 
would associate the indexes correctly with the client and not the mount host.  
So when looking at the indexes for that client, you will have some backups that 
are on the BCV and some that are traditional backups.

Just thought I'd elaborate, since I don't think a lot of people know about 
Powersnap.

-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On 
Behalf Of mark wragge
Sent: Friday, January 25, 2008 3:07 AM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: Re: [Networker] recommendation to backup 1.5 million small files?

The storage system is HP EVA. I will look at use of SnapImage to backup these 
two disks.
   
  The EVA has snapshot capability which will allow us to mount the snapshot 
onto the backup server and backup the disks but we will still have the problem 
of a long backup due to many files and also the backup is then associated with 
the networker server index rather than client index.

  Thanks for all the advice from everyone on this discussion.
  
lemons_terry AT emc DOT com wrote:
  Hi Mark

What type of storage system does this server use to house those 1.5 million 
files? Depending on your answer, NetWorker may already have a companion product 
that will do very useful and clever things. I'm referring to the NetWorker 
PowerSnap family of products. The manuals are on Powerlink 
(http://powerlink.emc.com) at Home > Support > Technical Documentation and 
Advisories > Software ~ J-O ~ Documentation > NetWorker Application and 
PowerSnap Modules, if you'd like a dive into the details.

I know that others have already mentioned SnapImage, so thought I'd broaden the 
discussion to include these other products.

Hope this helps!
tl 

Terry Lemons
Backup Platforms Group
EMC² 
where information lives
4400 Computer Drive, MS D239
Westboro MA 01580
Phone: 508 898 7312
Email: Lemons_Terry AT emc DOT com

-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On 
Behalf Of mark wragge
Sent: Thursday, January 24, 2008 1:48 PM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: [Networker] recommendation to backup 1.5 million small files?

Hi, what options does networker have to backup a server with lots of small 
files. Each night the backup will be 1.5 million files on two drives on a 
win2003 server. I know that with netbackup i could look at flashsnap backup. Is 
there a competing module that works with networker?

Thanks

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