VBrick Systems DVR EtherneTV NVR User Manual

VBrick  
ETV Network Video Recorder  
EtherneTV v4.2.1 NVR  
Release Notes  
May 9, 2008  
4410-0162-0005  
 
NVR v4.2 Release Notes  
The Network Video Recorder (NVR) is a component of VBrick's Media Control Server Suite  
and provides a dedicated platform to perform multiple simultaneous recordings of live  
streams coming from VBrick encoders. The NVR lets you off-load all recording tasks from  
the ETV Portal Server machine to one or more separate "recorder server" machines. The  
NVR is available in two versions—one that supports 10 simultaneous records and one that  
supports 40—and is ideal for environments that require large scale recording on a robust and  
reliable platform. The NVR is tightly integrated with the Portal Server, the Scheduler, and  
VBrick's Video-on-Demand servers. See the ETV Portal Server Administrator Guide for  
related information.  
Topics in this document  
Installing an NVR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
Configuring an NVR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
NVR Hardware Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
Caveats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Installing an NVR  
The NVR is sold as a hardware/software combination or as software-only product. If you  
purchased the hardware/software combination from VBrick, the Standard or Standalone  
NVR software will be pre-installed and your server license(s) will be activated. You will still  
need to configure the NVR as explained in the Portal Server Admin Guide.  
If you purchased only the software from VBrick, you must install the NVR software as  
explained below and then configure it using the instructions in the Admin Guide. If you are  
using server hardware not purchased from VBrick, be sure to read NVR Hardware  
Installing a Standard NVR  
T
To install a standard NVR:  
1. Go to the "Network Video Recorder" page on the Product CD and double-click on  
the Standard NVR setup file.  
2. Follow the prompts and exit the window when done.  
3. Then open the Portal Server Admin Console and configure the NVR: see  
"Configuring a Standard NVR" in the Portal Server Admin Guide.  
Installing a Standalone NVR  
T
To install a standalone NVR:  
1. Go to the "Network Video Recorder" page on the Product CD and double-click on  
the Standalone NVR setup file.  
Network Video Recorder Release Notes  
1
 
2. The installation steps are identical to those used to install the Portal Server. See  
"Installing the Portal Server" in the Portal Server Release Notes for complete details.  
3. Follow the prompts and exit the window when done.  
4. Then open the Standalone NVR Portal Server Admin Console and configure the NVR:  
see "Configuring a Standalone NVR" in the Portal Server Admin Guide.  
Configuring an NVR  
See "NVR Configuration" in the Portal Server Admin Guide for complete configuration  
instructions.  
NVR Hardware Recommendations  
If your server hardware was not purchased from VBrick, it must meet the following  
minimum specifications. The following tables show the recommended hardware and hard  
drive configuration relative to the number of purchased licenses. VBrick requires that you use  
dedicated server that meets or exceeds these specifications. The use of a less capable system  
may adversely affect system performance.  
Table 1. Recommended Hardware Specifications  
NVR – 10 Record Licenses  
NVR – 40 Record Licenses  
Platform  
Dell PowerEdge 2950  
Dell PowerEdge 2950  
Processor  
Dual Core Xeon Processor 5130, (2) Dual Core Xeon Processor  
4MB Cache, 2.00GHz, 1333MHz  
FSB  
5130, 4MB Cache, 2.00GHz,  
1333MHz FSB  
Memory  
1 GB 533 MHz  
2 GB 533 MHz  
Storage capacity  
(2) 73 GB OS drives  
(2) 146 GB OS drives  
(4) 146 GB content drives  
(4) 300 GB content drives  
RAID Type  
2 drive RAID1 for OS drives  
2 drive RAID1 for OS drives  
4 drive RAID5 for content drives 4 drive RAID5 for content drives  
CPU  
(1) 3 GHz dual core  
1 GB DDR RAM  
24X IDE CD-ROM  
2U  
(2) 3 GHz dual core  
2 GB DDR RAM  
24X IDE CD-ROM  
2U  
RAM  
CDROM  
Chassis  
Power supply  
Operating System  
Redundant  
Redundant  
Windows Server 2003 Web  
Edition or Standard Edition  
Windows Server 2003 Web  
Edition or Standard Edition  
Table 2. Recommended Drive Configuration  
NVR Type Recommended Configuration  
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© 2008 VBrick Systems, Inc.  
 
   
NVR v4.2 Release Notes  
NVR – 10 Licenses  
NVR – 40 Licenses  
• 73GB, SAS, 3.5-inch 10K RPM hard drive  
• 73GB, SAS, 3.5-inch 10K RPM hard drive  
• 146GB, SAS, 3.5-inch 10K RPM hard drive  
• 146GB, SAS, 3.5-inch 10K RPM hard drive  
• 146GB, SAS, 3.5-inch 10K RPM hard drive  
• 146GB, SAS, 3.5-inch 10K RPM hard drive  
• 146GB, SAS, 3.5-inch 10K RPM hard drive  
• 146GB, SAS, 3.5-inch 10K RPM hard drive  
• 300GB, SAS, 3.5-inch 10K RPM hard drive  
• 300GB, SAS, 3.5-inch 10K RPM hard drive  
• 300GB, SAS, 3.5-inch 10K RPM hard drive  
• 300GB, SAS, 3.5-inch 10K RPM hard drive  
Caveats  
This section addresses known issues in this release, most of which have an easy workaround.  
For more information about any item, or help with an issue not listed here, contact your  
reseller or VBrick Customer Service.  
When recording to an NVR from an MPEG-1/MPEG-2 encoder, and you stop the  
recording before it reaches 1% of the Defined Record Duration, the FTP will fail with an  
error message on the Status page. The NVR does not recognize extremely small files and  
this is standard behavior.  
The NVR 40 lets you record any combination of up to 40 MPEG-1, MPEG-2, MPEG-4,  
and WM streams at a time. There are however performance limitations when recording  
multiple high-rate MPEG-2 or WM streams at the same time. At MPEG-2 rates up to  
5.5MBps or WM rates up to 1.2MBps 40 simultaneous recordings are fully supported. At  
higher rates however the full licensing capacity cannot be used. For example, when using  
the Best Quality WM template at 4.5MBps, 10 simultaneous records are supported; when  
using MPEG-2 at 15MBps, 15 simultaneous recordings are supported.  
Batch recording to an NVR from a WM VBrick encoder is not supported; the Batch tab  
is greyed out on the Scheduling page. Batch recording is supported from all other VBrick  
encoders.  
The Portal Server and the NVR are tightly linked. In order to avoid backward  
compatibility issues, always upgrade the NVR from the same package when you upgrade  
the Portal Server, and vice versa.  
In some cases, because of a naming resolution issue, a LAN Network Video Recorder  
(NVR) does not record when the ETV Portal Server server is in a DMZ. As shown on  
the status page, the recording will either fail or run indefinitely (without actually  
recording). To work around this issue, modify (or create) a hostsfile on the ETV Portal  
Server as shown below. Go to c:\windows\system32\drivers\etc\hosts. Open the  
hostsfile in an editor and add the IP address and computer name of the NVR as shown  
below. (If the hostsfile is not present, you must create one by saving a txtfile with no  
extension.)  
# Copyright (c) 1993-1999 Microsoft Corp.  
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.  
# This file contains the mappings of IP addresses to host names. Each  
# entry should be kept on an individual line. The IP address should  
# be placed in the first column followed by the corresponding host name.  
Network Video Recorder Release Notes  
3
 
# The IP address and the host name should be separated by at least one  
# space. Additionally, comments (such as these) may be inserted on  
# individual lines or following the machine name denoted by a '#' symbol.  
# For example:  
# 102.54.94.97  
# 38.25.63.10  
rhino.acme.com # source server  
x.acme.com  
# x client host  
127.0.0.1  
nvr ip address  
localhost  
nvr computer name  
The ETV Portal Server and the NVR must be in the same time zone. Also, in order to  
record successfully, the system time on ETV Portal server and the NVR must be  
synchronized. You can synchronize the machines, for example, by running the Service  
for Windows Time on both machines. See "Synchronizing the Portal Server and the  
NVR" in the Portal Server Admin Guide.  
In order to record multiple streams, the Recorder path must be under FTP root. For  
example, if root is C:\Inetpub\ftproot the Recorder path must be  
C:\Inetpub\ftproot\<your_folder>  
If you try to uninstall the Microsoft .NET 1.1 framework prior to uninstalling the  
Network Video Recorder, the uninstall of the Microsoft .NET 1.1 framework will fail  
because the Network Video Recorder uses this framework. If you need to uninstall the  
Microsoft .NET 1.1 Framework, you first need to uninstall the Network Video Recorder  
software.  
The default FTP path in IIS is automatically set via the installer, but, depending on the  
particular machine's configuration, it may need to be changed. The installer sets the  
default FTP path to D:\Inetpub\ftprootin IIS, if a D: drive is detected. Otherwise it sets  
the path to C:\Inetpub\ftproot. If you have a machine with an E: drive and you want to  
set the FTP path to E:, you need to do two things. First, go to IIS and use the right  
mouse button to select on the Default FTP Site, select Properties from the popup menu.  
The Default FTP Site Properties dialog box will appear. Select the Home Directory tab. In  
the Local Path edit box, change the value to E:\Inetpub\ftprootand hit OK. Second, you  
need to go to the Admin Console > Global Settings > Global Assignments and change  
Select FTP root path to E:\inetpub\ftproot and then change Select a media storage path  
to E:\inetpub\ftproot\MCS\Record.  
4
© 2008 VBrick Systems, Inc.  
 
 
VBrick Systems, Inc.  
12 Beaumont Road  
Wallingford, Connecticut 06492, USA  
 

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