We are doing this here. Among other things, we have an HP-UX machine with a local attached DLT7000 Breece Hill stacker. This HP backs up 3 Netapps through the network to its SCSI tape drive, 2 520's using rsh/dump and one 740 using NDMP. We use Budtool. The reason we have to use dump on 2 of them is DOT/Budtool version conflicts. The 740 dumps data just fine out its network interface to the HP which sends it to the tape drive. We also back up other unix systems to this drive. Since NDMP is so flexible, at some point we may attach the DLT7k directly to the 740, and backup the 520s and unix systems through the 740 with NDMP, instead of through the HP, but the HP will still be the Budtool host.

Justin Acklin Unix Systems Administrator Philips STB

"[ISS] Veritas-Users" wrote:

I understand that you can do NDMP dump across the network to a media server... it is even mentioned in technote 3066, section 4.3 (# 4 below):

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The NDMP protocol specification allows the following backup configurations:

1. Local backup from a filer to a SCSI-attached tape device
2. Three-way backup from a filer via the network to another filer with a local tape device
3. Backup from a UNIX or Windows NT server via the network to a NetApp filer with a local tape device
4. Backup from a NetApp filer via the network to a UNIX or Windows NT backup server with a local tape device

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We currently backup filers via dedicated directly attached tape drives (using Veritas NetBackup)... but, this is a costly solution because the tape drives are idle probably 75% of the time. We will be testing NDMP across a dedicated GB ethernet network in the near future. Even if we see some decrease in backup throughput, it will good if we can get those 20 dedicated DLT7000 tape drives in S'Tek 9710's doing more work for us...

Is anyone already using a private network and NDMP to backup a filer?

Kelly

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Kelly Wyatt, Kelly.Wyatt@SAS.com Systems Programmer Integrated Solutions Consulting SAS Institute Inc. / SAS Campus Drive / Cary, NC 27513 http://www.sas.com

-----Original Message----- From: Roth, William [mailto:William.Roth@netapp.com] Sent: Friday, January 07, 2000 11:21 AM To: 'gwong@futureshop.com' Cc: 'toasters@mathworks.com' Subject: RE: Backing up a filer

Greg,

If you want to use NetBackup with NDMP to back up the filer, you need to have at least one direct attached tape drive connected to the filer(not considering a three way NDMP backup using two filers with a tape device direct connected to the remote filer). You can dedicate one or more drives from an existing library controlled by NetBackup, or you can attach a new/different library to the filer(yes, the filer does support a locally attached library). Either the NetBackup host (NDMP client) or the filer can be direct connected to the robotic portion of the library(assuming the library has individual scsi ports for the connection). In the end, NetBackup ends up controlling the library either way. If the robot is direct connected to the NetBackup host via scsi, NetBackup controls it. If the robot is connected to the filer via scsi, the NetBackup host sends scsi cdb's via NDMP to the robot through the filer, thus the robot is still controller by NetBackup. What other information or assistance do you require?

Bill Roth Technical Marketing Engineer Network Appliance, Inc. 495 East Java Drive Sunnyvale, CA 94089

Telephone 408-822-3308

-----Original Message----- From: Greg Wong [mailto:gwong@futureshop.com] Sent: Thursday, January 06, 2000 11:45 AM To: toasters@mathworks.com Subject: Backing up a filer

Hi all,

I'm kind of new to the this filer business and I have a question about backing it up. We have an F720 on site that isn't doing much since we aren't backing it up. I need some options on how to do this. We currently back up our other systems vith Veritas Netbackup and a tape library. Now, my question(s) is if I want to use Veritas to back up the filer using NDMP, do I have to dedicate a drive on the remote tape library to the filer? Will the filer support a locally attached library, and if it does, does Veritas control the library or does the filer?

Thanks for your help

Greg