RANCHO RT-iSCSI-R Manuale utente
RANCHO SYSTECH, INC.
9155 Archibald Ave., Suite 904
Rancho Cucamonga, CA. 91730
Tel: (909) 987-3966 Fax: (909) 989-2365
Web: http://www.rancho.com
Email: [email protected]
RT-iSCSI-R
Small Enterprise Rack Mount iSCSI
to SCSI Bridge User Manual
Warning
The Rancho iSCSI to SCSI Bridge contains no user-serviceable components. Only an
Authorized Service Centre should carry out any servicing or repairs. Unauthorized repairs or
modifications will immediately void your warranty.
Before you start
There are a number of additional pieces of equipment you will require for the successful
installation of your Bridge:
Ethernet Cable
You will require a good quality cable of suitable length to go between your network access
point and the iSCSI Bridge. This should be marked as certified to Cat 5e and have a RJ45
style connector at the Bridge end.
SCSI Cable
The greatest source of SCSI related faults are due to poor quality SCSI cabling. This is
especially true when running at the higher speeds possible with this iSCSI Bridge. We
therefore recommend that, you purchase a good quality SCSI 3 compatible cable with High
Density 68 way D type connectors for your installation.
You will also need to complete your SCSI bus installation with a SCSI Terminator. This is
connected to the last peripheral on the SCSI bus. Again we recommend you use a good
quality LVD / SE Terminator.
If you are in any doubt contact your reseller for extra assistance.
Page 2
Table of Contents
1.0 Introduction
1.1 Overview
2.0 Installing the iSCSI Bridge
2.1 Ethernet Connection
2.2 SCSI Bus Connection
2.3 Connecting the Power Supply
3.0 Configuring the iSCSI Bridge
3.1Initial Set Up
3.2 Set the Hostname
3.3 Setting the IP Address
3.4 Setting the IP Mask
3.5 Setting the Broadcast Address
3.6 Committing the Changes
3.7 Reconnect to the Bridge
3.8 Setting the Password
3.9 Network Services
3.10 iSCSI Connections
3.11 SCSI Bus
4.0 Information
4.1 SCSI Devices
4.2 System Information
4.3 System Log
5.0 Maintenance
5.1 Firmware Updates
5.2 Saving the Configuration
Appendix A Configuring Windows 95 98 NT
Appendix B Configuring Windows 2000 2003 XP
Appendix C LED Indicators
Page 3
1.0 Introduction
Thank you for purchasing the Rancho iSCSI to SCSI Bridge.
The Bridge has been designed to ensure that in the majority of installations it will require the
minimum of set up before use. However, we suggest you read the following that will guide you
through setting up both the Network and SCSI aspects of the iSCSI Bridge
The GUI Management section guide you through the initial set up required to install the Bridge
on to your network
1.1 Overview
The iSCSI Bridge creates an interface between a network, which utilizes the Ethernet protocol,
and peripherals that utilize the SCSI bus. The internal circuitry of the Bridge acts as a two-way
interface converting the data packets that are received on the network into data transfers and
electrical signals that storage devices such as disks, tape drives and optical disks understand
on the SCSI bus.
The Rancho Small Enterprise iSCSI Bridge
Page 4
2.0 Installing the iSCSI Bridge
There are 4 basic steps to installing the iSCSI Bridge
•Connecting the Ethernet cable
•Connecting the SCSI cables and peripherals
•Connecting the Power Supply
•Configuring the Bridge’s host name and IP address
2.1 Ethernet Connection
The iSCSI Bridge can be used on the following network configurations
•10BaseT
•100BaseT
•1000BaseT (Gigabit)
It is not necessary to specify which network type you are connected to as the iSCSI Bridge
when powered up it will automatically select the correct network speed.
The connection to the Ethernet network is via an industry stand copper interface on the front of
the unit.
To connect the iSCSI Bridge the Ethernet network, inset the Cat 5E cable into the connector
on the unit as shown below. When the plug is in the correct position a “click” should be heard.
Front Panel of the Bridge Showing Ethernet Cable Connections
Page 5
2.2 SCSI Bus Connections
The SCSI bus on the iSCSI Bridge is capable of running at speeds of up to 160 Mbytes/s,
however, devices that operate at slower speeds can still be connected to this SCSI bus. In a
manner similar to the Ethernet connection, the iSCSI Bridge will automatically negotiate with
these devices to obtain their optimal operating speed upon power up.
When adding your SCSI peripherals to the SCSI bus it is important to remember that every
device on the SCSI bus must have a unique SCSI ID and that SCSI ID 7 is reserved for the
iSCSI Bridge.
The iSCSI Bridge can support both Single Ended and LVD peripherals. However, it should be
noted that the two buses will have different data transfer speeds and cable length limitations:
•Single Ended termination and/or devices –2 meters length –(40 MB/s maximum)
•LVD termination and/or devices –6 meters length –variable speeds up to a
maximum of 160 MB/s.
If you are in any doubt, please contact your reseller for further assistance.
Connect the SCSI cable to the front of the iSCSI Bridge as shown below, ensuring that
connector is the correct way up.
Connecting the SCSI Cable to the Bridge SCSI Port
Note: The two securing screws on either side of the connector should ONLY
BE FINGER TIGHT.
Page 6
2.3 Connecting the Power Supply
Before connecting the Power supply to the unit, ensure the wall plug is removed or switched
off.
Connect the Power Supply to the rear of the ISCSI Bridge as shown below.
Before powering up the iSCSI Bridge, ensure all the peripherals are powered up and you have
a connection to the network.
Page 7
3.0 Configuring the iSCSI Bridge
Before the iSCSI Bridge can be used on the network for the first time, it is necessary to
configure a number of IP parameters. To make this as easy as possible we have provided the
iSCSI bridge with an inbuilt GUI interface that can be accessed via any web browser.
3.1 Initial set up
Connect the iSCSI Bridge to the SCSI peripherals and network as described in the previous
sections and power up the unit.
From within your web browser, connect to the ISCSI Bridge using the IP address 10.10.10.10
Depending on how the network parameters are set on the machine you are using to access
the iSCSI Bridge, if may be necessary to change your network setting on your computer for the
initial set up. See Appendix A and B for further help.
Once you have connected to the GUI interface you will see the entry page shown below.
Enter the default password and username –admin, and admin.
Note: We suggest that you change your password at the next possible opportunity –see
section 3.8
Page 8
The GUI interface will now display the root selection screen as shown below.
Click on the Connections button under the Network section of the main window. This will now
bring up a new configuration page.
3.2 Setting the Hostname
In this box enter the name you wish to use to address this iSCSI Bridge in the future. We
suggest that you use a name that is relevant to its location and or, its purpose.
Page 9
3.3 Setting the IP Address
There are two possibilities when configuring the IP address of the iSCSI Bridge:
•DHCP -this means the Bridge will seek out the DHCP sever on your network and
obtain an IP address from the server each time it powers up.
•Static IP - the IP address set in this page will be the IP address the unit will use
each time it powers up.
Depending on your configuration, either click the DHCP button or set your Static IP address.
Note: if you select the DHCP mode, ensure your DHCP server is set to automatically
update the DNS server.
3.4 Setting the Subnet Mask
If the Bridge is configured to use DHCP the netmask will be issued from the DHCP server. If
you are using static IP address enter the IP mask in this box.
3.5 Setting the Broadcast Address
Enter in this box your Broadcast address for your network.
3.6 Committing the changes
Click the save button to save these parameters and then click the reboot option in the left hand
pane. S
3.7 Reconnect to the Bridge
If you made changes to you computer, return them to their previous setting and reconnect to
the Bridge using the IP address or hostname, depending on which addressing mode you
selected.
3.8 Setting the Administration Password
This configuration page will allow the administrator to change the access password for the GUI
interface. From within the main menu select the Password and Security icon under the
Network section The GUI will now display the following window
Page 10
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