WiebeTech RTX400-IR Manuel utilisateur

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RTX-IR

(RTX400-IR, RTX400H-IR, RTX600-IR, RTX600H-IR & RTX800-IR)

iSCSI Gigabit Ethernet to SATA II

External RAID System

User’s Manual

Revised July 29, 2008

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WARRANTY

The information in this document is subject to change without notice. We make no warranty of any kind

regarding this material, including, but not limited to, the implied warranties or merchantability and fitness

for a particular purpose. Furthermore, we shall not be liable for errors contained herein or for incidental or

consequential damage in connection with the furnishing, performance, or use of this material.

Introduction

About this Manual

Thank you for choosing WiebeTech products. If you have any questions, please e-mail

support@wiebetech.com or call our tech support.

This manual is designed and written for users of the RTX-IR. Users should ideally be familiar and have

some experience with RAID planning and data storage operations. However, this manual will provide

instructions and education for those who have little experience in RAID to install and setup the RTX-IR.

Notice

Product features and specifications described in this manual are subject to change without notice.

The manufacturer shall not be liable for any damage, or for the loss of information resulting from the

performance or use of the information contained herein.

Trademarks

All contents of this manual are copyrighted by WiebeTech LLC. The information contained herein is the

exclusive property of WiebeTech LLC and shall not be copied, transferred, photocopied, translated on

paper, film, electronic media, or computer-readable form, or otherwise reproduced in any way, without the

express written permission of WiebeTech LLC.

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Table of Contents

Chapter 1: Introduction to RAID 5

Chapter 2: Introduction to iSCSI 6

2.1 What is iSCSI? 6

2.2 What is the benefit of iSCSI? 6

2.3 What is iSCSI not? 6

Chapter 3: Pre-Installation 7

3.1 Install iSCSI Initiator software on your computer 7

3.2 Check the accessories with your RTX-IR 7

3.3 Take a moment to familiarize yourself with the parts of your new product 8

Chapter 4: Hard Drive Installation 9

Chapter 5: Configuration 10

5.1 Connect the RTX to your network (or computer) for configuration 10

5.2 Use the LCD to configure the LAN GUI port 10

5.2.1 Navigating the LCD menu 10

5.2.2 LCD functions 11

5.2.3 RTX-IR LCD Menu Diagram 11

5.2.4 If you are connected to a DHCP-enabled network 12

5.2.5 If you are connected to a static network 12

5.2.6 If you are connected directly to a computer 12

5.2.7 If you are connecting from home to office 13

5.2.8 If you are connecting from office to home 13

Chapter 6: Using the GUI 13

6.1 GUI indicators 14

6.2 Overview of GUI architecture 14

6.3 Quick Install 15

6.4 System Config 15

6.4.1 System name 15

6.4.2 IP address 15

6.4.3 Language 16

6.4.4 Login Config 16

6.4.5 Password 16

6.4.6 Date 17

6.4.7 Mail 18

6.4.8 Simple Network Management Protocol (SMNP) 18

6.4.9 System Log Server 19

6.4.10 Event Log 19

6.5 iSCSI config 19

6.5.1 Entity property 19

6.5.2 NIC 19

6.5.3 Node 20

6.5.4 Session 20

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6.5.5 CHAP account 20

6.6 Volume Config 21

6.6.1 Physical Disk 22

6.6.2 Volume Group (VG) 23

6.6.3 User Data Volume (UDV) 24

6.6.4 Cache Volume 26

6.6.5 Logical Unit 26

6.7 Enclosure Management 27

6.7.1 SES Config 27

6.7.2 Hardware Monitor 28

6.7.3 S.M.A.R.T. 28

6.8 Maintenance 28

6.8.1 Upgrade 29

6.8.2 Info 29

6.8.3 Reset to default 29

6.8.4 Config Import & Export 29

6.8.5 Shutdown 29

6.9 Quick Set-up of RAID 29

Chapter 7: Access the RTX using iSCSI Initiator software 31

Chapter 8: Formatting new volume(s) 32

Appendix A. Certification list 33

Appendix B. Event notifications 34

Appendix C: Working with Volumes over 2TB in size 37

Appendix D: Warnings and Notices 38

Appendix E: Frequently Asked Questions (FAQ) 39

Appendix F: Technical Specifications 40

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Chapter 1: Introduction to RAID

A RAID (Redundant Array of Independent Disks) is an array of multiple hard drives that are combined in a

way that provides faster performance and/or data safety. Your RTX unit is capable of creating and

managing several different varieties of RAID. You may choose your preferred RAID level based on

factors such as disk capacity, desired data safety, and desired performance.

Summary of RAID Levels

The RTX supports RAID Levels 0, 1, (0+1), 3, 5 and 6. RAID level 5 is most commonly used by those

seeking an optimal balance of speed and data safety.

RAID Features

and Performance

RAID

Level

Description

Min.

Drives

Max.

Drives

Data Reliability

Data Transfer Rate

Also known as striping. Data distributed

across multiple drives in the array. There is

no data protection.

1 8 No data Protection Very high

Also known as mirroring. All data replicated

on separated disks. RAID 1 is almost always

2 disks.

This is a high availability solution, but due to

the 100% duplication, it is also a costly

solution.

2 2 Lower than RAID 6;

Higher than RAID

3, 5

Reads are higher

than a single disk;

Writes are similar

to a single disk

0+1

Also known as Block-Interleaved Parity.

Data and parity information is subdivided

and distributed across all disks. Parity must

be equal to the smallest disk capacity in the

array. Parity information normally stored on

a dedicated parity disk.

3 8 Lower than RAID 6;

Higher than RAID

3, 5

Transfer rates are

more like RAID 1

than RAID 0

Also known as Bit-Interleaved Parity. Data

and parity information is subdivided and

distributed across all disks. Parity must be

equal to the smallest disk capacity in the

array. Parity information normally stored on

a dedicated parity disk.

3 8 Lower than RAID 1,

10, 6;

Higher than a

single drive

Reads are similar

to RAID 0; Writes

are slower than a

single disk

Also known as Block-Interleaved Distributed

Parity. Data and parity information is

subdivided and distributed across all disks.

Can withstand the failure of one drive, and

80& of drive capacity is usable.

3 8 Lower than RAID 1,

10, 6;

Higher than a

single drive

Reads are similar

to RAID 0; Writes

are slightly slower

than RAID 0

Two different parity bits are used, to create

double redundancy. Can withstand the

failure of two drives, but only 60% of drive

capacity is usable.

4 8 Higher than 1,10, 5 Slightly less than

RAID 5

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Chapter 2: Introduction to iSCSI

2.1 What is iSCSI?

iSCSI is a technology that allows a data storage device to be accessed over a TCP/IP network using

SCSI protocols. When your computer’s OS receives a request for data access, it generates a SCSI

command and then sends an IP packet across a network or direct ethernet connection. A software utility

known as an iSCSI Initiator is used to generate the SCSI commands. Such a utility must be installed on

the computer before it can access an iSCSI storage device.

2.2 What is the benefit of iSCSI?

An iSCSI storage device can be placed anywhere throughout a network, so the device can reside at a

great distance from the computer which accesses it. It is also a very fast connection when used on a

gigabit network, achieving speeds of 100MB/sec or more. The connection it uses (RJ45 – standard

ethernet port) is commonly found on desktop and laptop computers, so there is no need to purchase

potentially expensive host bus adapters to provide a connection.

2.3 What is iSCSI not?

iSCSI storage devices are not Network Attached Storage (NAS) devices. They have no built-in server

capabilities and therefore cannot be accessed by more than one computer at a time. Multiple computers

can only access the data if the iSCSI device is first attached to a single computer which is then set up as

a server.

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Chapter 3: Pre-Installation

3.1 Install iSCSI Initiator software on your computer.

This is a required step. Any computer must have Initiator software installed before it can connect to an

iSCSI device such as the RTX-IR. Both freeware and commercial software utilities are available for this

purpose. Note: Initiator software is not required for additional computers that share files with the host

computer attached to the RTX. In such a scenario, the host computer acts as a server to the other

computers. Only the computer directly accessing the RTX needs Initiator software.

Windows

Users can download free Microsoft iSCSI initiator software at the following URL:

http://www.microsoft.com/downloads/details.aspx?FamilyID=12cb3c1a-15d6-4585-b385-

befd1319f825&DisplayLang=en

Mac OS X

Studio Network Solutions makes a freeware iSCSI Initiator for Mac OS 10.4, available here:

http://www.studionetworksolutions.com/products/product_detail.php?pi=11

ATTO Technologies also makes a commercial iSCSI Initiator for Mac: http://www.attotech.com/xtend.html

Linux

Linux also provides iSCSI initiator software for users to download. Refer to the URL below:

Instructions web page: http://linux-iscsi.sourceforge.net/

Download link: http://sourceforge.net/project/showfiles.php?group_id=26396

Instructions document: http://www.cuddletech.com/articles/iscsi/iscsiref.pdf

3.2 Check the accessories with your RTX-IR.

Please contact WiebeTech if any parts are missing or damaged. The box should contain the following

items:

RTX400-IR, RTX400H-IR & RTX600H-IR

Accessories Quantity

Ethernet Cables 2

RS-232 Configuration Cable 1

Power Cable 1

Packet of Keys 1

Manual and Warranty Info (on CD)

RTX600-IR & RTX800-IR

Accessories Quantity

Ethernet Cables 2

RS-232 Configuration Cable 1

Power Cable 1

Manual and Warranty Info (on CD)

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3.3 Take a moment to familiarize yourself with the parts of your new

product.

LCD Panel on front of RTX

IP Address

LCD

Alarm LED

UpPower LED

Access LED

ESC (Escape, Exit)

Down ENT (Enter)

iSCSI Port

Power Switch

eSATA Expansion

Ports

(400 model

only)

RS-232

Configuration Port

8cm Fan

Ethernet

Configuration

Port

Power Outlet

Power Supply

Fan

Back Panel

Hardened Bay

Key lock

Ejection handle

Power LED Access LED

Standard Bay

Key lock

Ejection handle

Power LED Access LED

Basic Bay

Ejection handle

Power LED

Access LED

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NOTE: If any of the drives are inaccessible after

powering on the unit, try the following steps:

1. Turn off the power.

2. Remove the drive(s) in question.

3. Reinsert the drive(s).

4. Turn on the power.

Chapter 4: Hard Drive Installation

If you purchased your RTX with pre-configured drives, you may skip to the next section.

Install a SATA (Serial-ATA) hard drive into each bay. With TrayFree™ technology, this

process couldn’t be easier! Simply pull the ejection handle to open the bay door, slide in your SATA

drive, and shut the door behind it. The drive is inserted with the label up and the SATA connection on the

drive inserted first. With the RTX400 & RTX600H, you can lock the bay for additional security, but make

sure to unlock it before pulling on the ejection handle again.

RTX400

X600

WARNING: Do not block the ventilation

fan during operation. Overheating may

damage the device or hard drives.

All RTX TrayFree Bays accept 1TB SATA

drives, have power and access LEDs, and

connect to the host via a SATA

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Chapter 5: Configuration

5.1 Connect the RTX to your network (or computer) for configuration.

a. Plug an ethernet cable into the “LAN GUI” port on the rear of the RTX.

b. Connect the other end of the ethernet cable to your network. Usually, this means plugging it

into a router or hub. In an office environment, you may have a network jack built into your office wall. If a

network connection is not available, you can connect the ethernet cable directly to an RJ45 (ethernet)

port on your computer.

c. Connect the power cable to the rear of the RTX and to a grounded electrical outlet.

d. Turn on the RTX unit’s power using the switch on the rear panel.

5.2 Use the LCD to configure the LAN GUI port

RTX has both an LCD interface and a GUI. The LCD interface has only basic functionality and is mainly

used to configure the IP address of the LAN GUI port. Once the LAN GUI has been configured, the GUI

can be used to fully configure the RTX.

5.2.1 Navigating the LCD menu

Use the four function keys, ▲(Up), ▼(Down), ESC (Escape) and ENT (Enter) to manipulate the LCD

interface.

After pressing ENT (Enter) key, you can use the ▲(Up) and ▼(Down) keys to select a function. If there

is an alarm or error message, the LCD will display the related information.

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