Hi Christian
Like Stan, my environment is 64-bit Red Hat Linux, and a DD690, but I don't use 
DD BOOST.
DD mounts are over NFS.
nsrim takes only a couple of minutes to run for me too so definitely worth 
getting EMC involved from the sound of things.

Cheers... Allan

Allan Nelson
CCS Lancaster
Tel: 01524 595815

-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On 
Behalf Of STANLEY R. HORWITZ
Sent: 07 October 2011 15:08
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: Re: [Networker] nsrim and DataDomain behaviour

Christian,

My environment is 64-bit Red Hat Linux, so it may not match up exactly with 
Windows, but nsrim runs daily on my NetWorker 7.6.1 server too, as it should. 
From start to finish though, nsrim only takes a minute or two to process all 
ten of my Data Domain mount points. I use Boost too, but I doubt that would 
make any difference because Boost only comes into play when the backups are in 
progress and it moves the de-duplication service off the Data Domain system and 
onto the NetWorker server or storage node where the Boost devices are mounted. 
You might need to do some system tuning on your Windows box or in how you've 
configured NetWorker to use your Data Domain system. I encourage you to give 
the good people at EMC tech support a shout by opening up a PowerLink service 
request to have them work on this issue with you.

On 10 7, 2011, at 8:18 AM, =?utf-8?Q?Christian_Jurecka?= wrote:

> Hi there,
> 
> we have a W2K3 Networker Server with Networker 7.6.2 running, for our 
> Backups we have two DD880 Datadomains which are connected via CIFS-Shares 
> (W2K3) and NFS-Shares (Redhat5).
> 
> Now (as backups are scheduled every day) nsrim is running every day, 
> triggered by savegroup/nsrd. When nsrim and nsrck on the networker server 
> are finished, verifying on the DD starts, after it is finished I can see 
> how much space was recovered (daemon.raw: nsrd media info: Recovered xx DB 
> by deleting xx Savesets from device rd:share).
> The problem: This verifying process lasts sometimes for several hours, 
> backups at this time are very slow und recovers cannot be done because 
> readonly devices are blocked.
> 
> So here are my questions:
> 
> - Is this a normal behavior (nsrim is normal, I know) of a DataDomain? Has 
> anybody else seen it?
> - Ist there a way to prevent nsrim from running every day, when backups are 
> running every day? 
> - Will this be better when using DDboost?
> 
> Regards,
> Christian
> 
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