Networker

Re: [Networker] Some comments on NetWorker 7.4

2007-08-25 18:59:19
Subject: Re: [Networker] Some comments on NetWorker 7.4
From: Yaron Zabary <yaron AT ARISTO.TAU.AC DOT IL>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Sun, 26 Aug 2007 01:56:49 +0300
Landwehr, Jerome wrote:
to administer 7.4 (or 7.3+ for that matter)via a GUI you have to install
another package, NMC

this can reside on a NW server or be on a different server (like for an
enterprise setup) and manage more than one NW data zone

you'll find the NMC package is included in the distro

once it's installed it uses a java web-start (point a browser at the NMC
server at port 9000) to launch, the java NMC tool runs locally

HTH
Jerry

-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On
Behalf Of Stan Horwitz
Sent: Friday, August 24, 2007 10:11 AM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: [Networker] Some comments on NetWorker 7.4

I installed NetWorker 7.4 on a Dell PowerEdge 2950 with three dual- channel HBA cards and a 1GB network drop. The 2950 is running Red Hat Linux AS 4. The Linux box is connected to a Qualstar TLS-88132 with fibre channel LTO-3 tape drives, all of which are connected to the Dell server. Nothing fancy is being done in terms of device or library sharing. This set-up is not yet in production so I am running on the default evaluation license.

I am coming from a NetWorker 7.2.1 perspective, which I run in production on entirely different hardware. I have been testing NetWorker 7.4 to back up my MacPro workstation with the 7.3.3 client and another Linux box with the 7.4 client that holds 1TB of data, which is also not yet in production.

My plan is to try our NetWorker 7.4 for a month, then wipe it out on this Linux box, install 7.4 on my production Solaris 9 server, and make this Linux box a 7.4 Storage Node.

So anyway, I really like the new GUI! Its far better than the old green X Motif GUI and a lot more flexible. I deleted and reinstalled the tape library resource and clients a few times, just for the practice of it, and the new NMC GUI makes the process so easy.

Can I recover data? I am still testing that aspect of 7.4, but as I write this, I am recovering 1TB of data that I backed up from my test Linux box last night. I also did that backup using NetWorker 7.4's AES encryption ASM, but I am not sure if the data really was encrypted or not. The details for that backup don't show any errors. I have already tested recovering data from my Mac and it worked fine (even though NSR reports a reverse DNS problem each time I back up my Mac).

I still have a lot to learn about 7.4, especially its reporting feature. One thing I haven't figure out yet is the nwrecover GUI, like how to start it. When I type "nwrecover" on the Linux box, I get an error that says "125:nwrecover: unable to execute with hard links to binary /usr/bin/nwrecover" and the NetWorker 7.4 Administration Guide sheds no light on it, although the CLI recover works fine. If anyone has any idea on how to fix that problem or if you have any questions about my experience running 7.4, let me know.

One thing I can't test well is save group email reports because we do not have a sendmail agent running on this PowerEdge 2950, and I do not intend to run sendmail there.

There is no need to run sendmail over there. Owner notification can be sent to anywhere you would like just as usual. My Solaris setup has /usr/ucb/Mail -s "backup" some@somewhere. For Linux, you use /usr/bin/Mail. Sendmail does not need to run and listen to port 25. The Mail program invokes sendmail when it needs to do the actual delivery. It is also a good practice to add the following entry to cron:

0,15,30,45 * * * * /usr/lib/sendmail -q

Which will make sure that outgoing email which is queued for some reason will be processed every 15 minutes (this is similar to running the sendmail daemon with the -q15m flag).

If you also need inbound Email, you can setup an MX record to some other mail server and have *@legatoserver point to some valid mailbox.


--
Stan Horwitz
Temple University
Enterprise Systems Group
stan AT temple DOT edu

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--

-- Yaron.

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