We already use it on our NetApp's.
-----Original Message-----
From: Wood, R A (Bob) [mailto:WoodR AT chevron DOT com]
Sent: Thursday, October 18, 2007 11:00 AM
To: EMC NetWorker discussion; Buerger, Andreas
Subject: RE: [Networker] NDMP Tape server under Networker 7.3 or 7.4
Ever thought of 10Gb Ethernet?
Bob Wood
Senior Technical Analyst
ITC - EMEAE London eHub
Chevron Limited
1 Westferry Circus, Canary Wharf
London, E14 4HA
Tel +44(0)20 7719 3885
Fax +44(0)20 7719 5101
woodr AT chevron DOT com
Chevron Limited. Registered in England and Wales (145197). Registered
office 1 Westferry Circus, Canary Wharf, London, England, E14 4HA
>-----Original Message-----
>From: EMC NetWorker discussion
>[mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Buerger, Andreas
>Sent: 18 October 2007 08:26
>To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
>Subject: Re: [Networker] NDMP Tape server under Networker 7.3 or 7.4
>
>Yes I agree.
>Perhaps it works with ~4.5 TB in your configuration but it
>won't work with 20-30 TB for each filer.
>
>-----Original Message-----
>From: Matthew Huff [mailto:mhuff AT ox DOT com]
>Sent: Wednesday, October 17, 2007 10:27 PM
>To: EMC NetWorker discussion; Buerger, Andreas
>Subject: RE: [Networker] NDMP Tape server under Networker 7.3 or 7.4
>
>>In my opinion, if it goes into hundreds of gigabytes or terabytes you
>>have no chance to backup these amount over gigabit ethernet with good
>>throughput. It would cause a very high load in your network.
>
>It depends on your network.
>
>We are backing up a cluster of NetApp 920c boxes via gig-E.
>The weekend full backup takes around 8-12 hours for ~4.5TB and
>we are going to 6 x LTO-2s on our Sun V480 backup server. We
>could probably cut that down to
>6-8 hours if we could break up one of our volumes into
>multiple quota trees to increase parallelism.
>
>
>----
>Matthew Huff | One Manhattanville Rd
>OTA Management LLC | Purchase, NY 10577
>www.otaotr.com | Phone: 914-460-4039
>aim: matthewbhuff | Fax: 914-460-4139
>
>-----Original Message-----
>From: EMC NetWorker discussion
>[mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Buerger, Andreas
>Sent: Wednesday, October 17, 2007 3:42 PM
>To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
>Subject: Re: [Networker] NDMP Tape server under Networker 7.3 or 7.4
>
>Hi,
>
>We use that with our 7.2 server, but I think it doesn't matter
>if you use a higher version, it should also work.
>I have configured one of our very old netapp filers with less
>data backing on our nsrserverhost.
>But it's always a question what amount of data you have to
>save in level and full backups.
>It's better to attach devices to every filer to backup their
>data locally.
>In my opinion, if it goes into hundreds of gigabytes or
>terabytes you have no chance to backup these amount over
>gigabit ethernet with good throughput. It would cause a very
>high load in your network.
>
>Regards
>Andreas
>
>-----Original Message-----
>From: EMC NetWorker discussion
>[mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Henry Ferrara
>Sent: Wednesday, October 17, 2007 8:45 PM
>To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
>Subject: [Networker] NDMP Tape server under Networker 7.3 or 7.4
>
> It has been a while since I worked in Networker so I
>apologize in advance if my questions seem obvious to some.
>But here goes anyways...
>
> We have several Netapp appliances (Ontap 6.5.X and 7.X) and
>I am assisting our backup admin on how to re-architect our
>Network environment to backup the the Netapps via NDMP.
>
> I understand the various configurations that essentially "attach"
>tape devices to the filers directly (either via scsi, fiber
>direct or SAN). Then network initiates the backup and
>"causes" the filer to run dump to the "locally" attached tape
>device. So file index information goes over network to
>Networker server and data goes from filer direct to tape.
>
> However, I am wondering if there is a way to have the
>filers send the backup data to a Networker server directly and
>have the networker server write the data to tape. The primary
>driver for wanted to do something like that is that our tape
>library is not located physically close enough to one of our
>filers to allow fiber connecting the library. (There are
>other reasons but that alone is enough to prompt the question).
>
> I did some searching and I saw a description for an old
>product that Legato had called SnapImage that has as one of
>its capabilities
>- the ability to act as a NDMP Tape Server. Which it seems
>like this would be exactly what I would need. If I could have
>a system (or the better yet the Networker server) act as a
>NDMP tape server than I would think I could have the filer
>send its data via NDMP across the network instead of locally
>attached tape devices.
>
> I think SnapImage was discontinued or replaced by PowerSnap
>(or something like that) and I did not see in the
>documentation any reference to the capability of running a
>NDMP Tape Server.
>
> Does Networker have the ability to act as a NDMP Tape
>Server as part of the 7.x? Or as an add-on module? And am I
>correct in my thoughts that if Networker did act as a NDMP
>Tape server the filer
>backups would act as I describe above? And lastly where in the
>documentation (or on the web) can I find further information
>on this type of set up?
>
>Thanks in advance,
>
> Henry
>
>
>---
>Henry Ferrara
>hjferrara AT comcast DOT net
>
>To sign off this list, send email to
>listserv AT listserv.temple DOT edu and type "signoff networker" in
>the body of the email. Please write to
>networker-request AT listserv.temple DOT edu if you have any problems
>with this list. You can access the archives at
>http://listserv.temple.edu/archives/networker.html or via RSS
>at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
>
>To sign off this list, send email to
>listserv AT listserv.temple DOT edu and type "signoff networker" in
>the body of the email. Please write to
>networker-request AT listserv.temple DOT edu if you have any problems
>with this list. You can access the archives at
>http://listserv.temple.edu/archives/networker.html or via RSS
>at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
>
>To sign off this list, send email to
>listserv AT listserv.temple DOT edu and type "signoff networker" in
>the body of the email. Please write to
>networker-request AT listserv.temple DOT edu if you have any problems
>with this list. You can access the archives at
>http://listserv.temple.edu/archives/networker.html or via RSS
>at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
>
To sign off this list, send email to listserv AT listserv.temple DOT edu and
type "signoff networker" in the body of the email. Please write to
networker-request AT listserv.temple DOT edu if you have any problems with this
list. You can access the archives at
http://listserv.temple.edu/archives/networker.html or
via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
|