Texas Memory Systems RamSan-300/320 manual

TEXAS MEMORY SYSTEMS, INC. RamSan-300/320 User’s Manual Version 1.6[...]

Any trademarks or registered trademarks used in th is document belong to the companies that own them. Copyright © 2004, Texas Memory Systems, Inc. All ri ghts are reserved. No part of this work may be reproduced or used in any form or by any mean s - graphic, electronic, or mechanical, including photocopying, recording, taping, or information stor[...]

Table of Contents Preface ......................................................................................................... 1 Document Ov erview .................................................................................... 1 Conventions ............................................................................................... 1 [...]

8.3 Batte ries.........................................................................................77 8.4 Fans .............................................................................................. 77 Chapter 9 – Trou bleshoot ing .........................................................................78 9.1 System Ev ent Log .......[...]

Preface Document Overview This document provides operating procedures for the RamSan-300/320. It covers installation, man ageme nt, and troubleshooting issues. Conventions This document uses the following textual conventions: Select Front panel button descriptions Ethernet Setup Front panel text (menu items) lunconfig Management port (s erial/Telne[...]

Revision History The following table describes revisions to this document: Version Comments Date 1.0 Initial release 08/15/2003 1.1 Added component photographs Added information about using the help function in the text management interface. Added Appendix A. 09/11/2003 1.2 Updated power suppl y details . 10/02/2003 1.3 Added detail s for the Ram S[...]

Chapter 1 – Introduction 1.1 Overview The RamSan-3xx series solid-state disk uses SDRAM (memory) as its primary storage. This techn ology enables practically instantaneous dat a access, which results in dramatic application performance increases. Texas Memory Systems (TMS) designed the RamSan to be highly available and fault tolerant. The system [...]

1.2 System Components The system components fo r the RamSan-300 include: • Main system memory ranging from 16 to 64 Gigabytes • One to four Fibre Channel controllers • Dual, redundant hot-swappable power supplies • Redundant fans • Ethernet monitoring port • Serial monitoring port • Front panel display for monitori ng and configuratio[...]

contains redundant batteries. When fully functi onal and fully charged, the batteries are able to provide at least 30 minutes of operation. The system monitors the internal disks and batteries for a failure condition. In such an event, it noti fies the operator of an error through the front panel display and the management software. 1.5 Configurabl[...]

1.6 Performance The RamSan-3xx series solid state disk is the ultimate i n performance storage. With up to eight Fibre Channel ports in a 3U package, the RamSan-3xx series delivers unparalleled bandwidth and I/O. The RamSan-3xx series is capable of 250,000 IOPS (I/O operations per second) and 3,000 MB/sec of read or write performance. RamSan-300/32[...]

Chapter 2 – Installation 2.1 Electro-Static Discharge Warning Important: Please take full E.S.D. precautions i f it is necessary at any time to come into contact with any circuit boar ds, components or connectors. Electrostatic discharge can damage the components used in the RamSan and its interfaces. 2.2 Battery Warning The internal batteries in[...]

Fibr e Channel Por t 4 Management Port Memory Board 14 Memory Board 10 Memory Board 2 3.3v Power 2.5v Power Dis pl ay Connect Power Connect Fan 0 Connect Fan 1 Connect Fan 2 Connect Memory Board 5 Mem ory Board 12 Memory Board 1 Memory Board 13 Memory Board 4 Memory Board 9 Memory Board 7 Memory Board 8 Memory Board 3 Memory Board 11 Memory Board 0[...]

2.4 Rack Mounting The RamSan-3xx series solid state disk is a 3U rack-mountable system. TMS ships the system with the slides and equipment needed to install it into a standard 19” rack. 2.5 Connecting the Fibre Channel Ports After you have inspected the system and properly mounted it, connect the Fibre Channel ports on the RamSan to either your s[...]

“Power” A C Volta g e Figure 2-3 RamSan Power Supply The power supply includes the following button and indicators: “Power” switch The large black button above the power supplies acts as an on/off switch and will silence the w arning buzzer. • The button provides a means to activate the power supplies (turn them on) after a system shutdow[...]

AC Voltage indicator light When the power supply is connected to AC power and is operating properly, the indicator light attached to each power supply is green. If the green light is not on, either the power supply is disconnected from an AC power source or the power supply has failed. Check the power cable to determine if power has been lost to th[...]

2. In a RamSan-320, the front panel displays “ Restoring Data ” and cycles between a progress bar and an estimated time until completion. Administrators may use this to determine how much time before the system is on-line. This information is also available through the Text Management Interface. This process will t ake approximately one minute [...]

Chapter 3 – Management Tool Overview 3.1 Front Panel Display The Front Panel D isplay provides a qu ick and easy way view the RamSan’s status. It displays the current prog ress of disk synchronization and shows system warnings and failures. The RamSan’s fron t panel allows you to: • Inspect the state of the system • Change the method of I[...]

↓ The “ ↓ ” button scrolls down through the menu. The “ ↓ ” button is also used confirm certain commands, as indicated on the display. If the menu is not selected, this button is disabled. 3.1.1 Fron t Panel menu system layout The following details t he menu system of th e front panel display: Main Menu Ethernet Setup Show Current Con[...]

To connect to the serial port, use the DB-9 non-null seri al cable supplied with the system. 3.2.2 Connecting using Telnet Once the administrator configur es the Ethernet port on the RamSan using either the front panel or the serial port, you may remotely monitor the system usin g a Telnet session. Set your terminal settings to VT100 mode. In order[...]

When the user selects some menu items, the program displays sub-menus, as shown in Figure 3-3: Text Management Interface Sub-Menu : Figure 3-3: Text Management Interface Sub-Menu When in a sub-menu, the user can se lect “C” to cancel or press the “ESC” key to return to the menu. Once satisfied with the changes made on a menu, the user must [...]

On status screens, the program pr ovides the user with several options: • Press ‘Q’ to exit the menu • Press ‘I’ or ‘D’ to increment or decrement the interval between statistics updates in ¼ second intervals • Enter ‘R’ to immediately refresh the data on the screen • Enter [SPACE] to view additional i nformation To exit the[...]

3.3.1 General interface layout and instructions Texas Memory Systems designed the web management interface as a metaphor for the actual system components. For detailed information, t he user simply clicks on th e component. Clicking on the management port also displa ys additional information about the system’s actions. Some of the components hav[...]

Chapter 4 – Administration Functions 4.1 Security The RamSan has several features that allow the admini strator to control system access, including password prot ected access and the ability to disable remote access via Telnet, Web, or SNMP. 4.1.1 Logging into the system The RamSan has one account: “admin.” 4.1.2 Set password Since it is poss[...]

Via Web Interface To change the administrator pa ssword via the web interface: • Click on the “ Management Control Processor ” graphic • Click the “ General Config ” tab • Enter your old password; The system requires your old password for security reasons • Enter your new password • Confirm the new password • Click the “ Chang[...]

Via Text Management To change the administrator password via Text Management Interface: • From the Telnet Main Menu , select “ Management setup ” • Select “ Change password ” • Enter the admin password and press [ENTER] If you are not logged in through th e consol e, you must verify your password. For security reasons, the system does[...]

Via Web Management To enable/disable Telnet via the web interface: • Click on the “ Management Control Processor ” graphic • Click on the “ Network ” tab To enable Telnet, check the “ Allow Telnet ” checkbox and press the “ Save ” button. To disable Telnet, uncheck the “ Allow Telnet ” checkbox and press the “ Save ” but[...]

Via Text Management • From the Telnet Main Menu , select “ Management setup ” • Select “ Enable/Disable Telnet. ” If Telnet is curren tly enabled, your option w ill be “Disable Telnet” and visa versa. • Press the “  ” key or [ENTER] to toggle between the sections • Select “ Save changes and exit ” to save the changes.[...]

4.1.4 Enable/disable Web Interface The system allows the administ rator to disable Web access to prevent users from accessing the system through the Web interface. Via Web Management To disable the web interface via the web interface: • Click on the “ Management Control Processor ” graphic • Click on the “ Network ” tab To disable the w[...]

4.2 Configuring Ethernet settings The RamSan allows system monitoring and confi guration through the serial port and the Ethernet port. To access the system’s Ethernet port, the administrator must assign the Ra mSan an IP address, subnet mask, and possibly a gateway. The administrator may assign the IP address in one of three ways: Static IP, DHC[...]

• Enables you to set a static IP address for the RamSan. • Sets the IP configuration to DHCP • Disables Ethernet • Returns to the Main Menu without making any changes Static DHCP None No change Talk to your network administrato r for the proper IP assignment type. The default factory setting is DHCP. Use the “ Select ” button to select [...]

After you have finished entering the IP, the top line of the front panel changes to “ Subnet Mask .” Using the same procedure as entering the IP address, enter the subnet mask. The final valu e you must enter is the “ Gateway Address .” If the RamSan is on a private network and this value is not needed, enter the value “ 0.0.0.0 ” to te[...]

4.2.2 Configuring Ethernet settings via Text Management Interface • From the Telnet Main Menu , select “ Management setup ” • Select “ Configure Ethernet ” Figure 4-5: Ethernet Setup The system displays the “Ether net Setup” screen, as shown in Figure 4-5: Ethernet Setup. To change to IP assignment mode: • Select “ IP assignment[...]

To set the hostname: • Select “ Select hostname ” • Enter the hostname and press [ENTER] • When all Ethernet setup is complete, select “ Save changes, restart the network, and Exit ” 4.3 Power Down Settings The RamSan has features that allow the administrator to safely power down the system. 4.3.1 Manual shutdown The administrator can[...]

Now, the front panel display indicates that the system is powering off. Depending on the system mode and the size of memory, this procedure may take a while. The front panel cycles between a power off status bar and an estimated time until the system completes the power off. *** Powering Off ***  Via Web Manag[...]

Chapter 5 – Monitoring Functions 5.1 Viewing system health and status The RamSan makes it possible to view system health variables in a variety of ways. Th is allows you to easily determin e that the system is in good health and, under rare ci rcumstances, determine that a failure is immin ent or has occurred. 5.1.1 Front panel monitoring When th[...]

Status The following stat us levels are possible: “ GOOD ” This is normal operation. “WARNING” Indicates that the RamSan has detected a system warning. Warning statements scroll across the front panel display. Possible warnings include: • Pwr supply # removed • AC lost at one or both power supplies • One or both batteries are low • [...]

Fibre Channel Performance The front panel display can show the Fibre Channel Controller performance: From the front panel main menu, select “ Active Monitor Mode .” This mode shows the performance bars for each Fibre Channel port. The numbers represent the Fibre Channel Controllers. If a controller is not installed, the number and corresponding[...]

LED Performance Monitoring If your system is equipped with front panel LEDs, you can also view bandwidth and IOPS: From the front panel main menu, select “ LED Display ” This mode uses the LEDs to display bandwidth or IOPS. To use the LEDs to display bandwidth, select “ Display Bandwidth .” To use the LEDs to display IOPS, select “ Displa[...]

5.1.2 Identifying a RamSan When you have more than one RamSan, the “Identify Device” feature helps you t o physically locate which RamSan you are monitoring. Th is feature blinks th e front panel display. T he following demonstrates how make the front panel display start and stop blinking. Via Web Interface To make the RamSan fron t panel blink[...]

5.1.3 Viewing system uptime The system uptime provides in formation about how lon g the system has been powered on. Via Web Interface To view the system upti me via web interface: • Click on the “ Management Control Processor ” graphic • Click on the “ General Info ” tab The “ General Info ” screen displays the “ Uptime ” below [...]

Via Text Management To view the system uptime via Text Management Interface: • From the Telnet Main Menu , select “ Health and Status ” The system displays the current system uptime in days, hours, minutes and seconds at the top of the “ Health and Status ” screen, as shown in Figure 5-3: Health and Status : Figure 5-3: Health and Status [...]

5.1.4 Viewing system health The system health allows the user to monitor vital system heal th statistics, such as general state information, v oltages, temperatures, and fan speeds. Via Web Interface Information concerning the disks, batteries, power supplies, and fans are all found in separate loca tions through the Web interface. The RamSan-300 d[...]

Batteries (Not displayed for the RamSan-300) • Click on the “ Batteries ” graphic • Click on the “ General Info ” tab Figure 5-5: Battery Status via Web interface RamSan-300/320 User’s Manual - 39 -[...]

Management Control Processor To view the MCP status via web interface: • Click on the “ Management Control Processor ” graphic • Click on the “ General Info ” tab Figure 5-6: MCP General Info Tab for Status RamSan-300/320 User’s Manual - 40 -[...]

Power supplies • Click on the “ Power Supply ” graphic • Click on the “ General Info ” tab Figure 5-7: Power Supply Status via Web Interface RamSan-300/320 User’s Manual - 41 -[...]

Fans • Click on the “ Fans ” graphic • Click on the “ General Info ” tab Figure 5-8: Fans Status via Web interface RamSan-300/320 User’s Manual - 42 -[...]

Via Text Management • From the Telnet Main Menu , select “ Health and Status ” • Select “ View system monitor” Figure 5-9: Text Management Interface System Health Status The states are classified as “Good,” “Warn,” and “Error”: “Good” This states that everything is functioni ng under normal operating conditions. “Warn?[...]

5.1.5 Viewing detailed fibre channel controller status Via Web Interface The Web interface allows you to view all of the fibre channel information, but one fibre channel controller at a time. • Click on one of the “ Fibre Channel ” graphics • Click on the “ General Info ” tab Figure 5-10: Fibre Channel Controller Status via Web Interfac[...]

Via Text Management • From the Telnet Main Menu , select “ Health and Status ” • Select “ View Controller Status ” Figure 5-11: Fibre Channel Controller Status via Text Management Interface RamSan-300/320 User’s Manual - 45 -[...]

5.2 Statistics The storage administrator can monitor important stati stics that define the level of system performance t hrough the variou s management utilities. These statistics include Input and Outp ut operations per second (IOPS) and bandwidth. 5.2.1 Viewing IO/second summary Via Web Interface • Click on one of the “ Fibre Channel ” grap[...]

Via Text Management • From the Telnet Main Menu , select “ Health and Status ” • Select “ View Controller Statistics ” • Select “ IO/sec summary ” The “ IO/sec Summary ” screen, as shown in Figure 5-13: IO/sec Summary , shows the IO read (r), write (w), and totals (t) for each fibre channel controller in the syst em. It also d[...]

5.2.2 Viewing bandwidth summary Via Web Interface To view the bandwidth statistics vi a the web interface: • Click on one of the “ Fibre Channel ” graphics • Click on the “ Statistics ” tab • Click the radio button next to “ Bandwidth ” The graphing tool provides the option to view read, wri te, and total bandwidth, as well as a r[...]

Via Text Management To view the bandwidth summary vi a Text Management Interface: • From the Telnet Main Menu , select “ Health and Status ” • Select “ View Controller Statistics ” • Select “ Bandwidth summary ” The “ Bandwidth Summary ” screen displays the bandwidth read (r), write (w), and totals (t) for each fibre channel c[...]

5.2.3 Viewing controller details Via Text Management To view the controller det ails via Text Management In terface: • From the Telnet Main Menu , select “ Health and Status ” • Select “ View Controller Statistics ” • Select “ Controller details ” The “ FC Overview ” screen shows a summary of IOPS and bandwidth for a particula[...]

Via Text Management To view the system event log or support log via Text Management Interface: • From the Telnet Main Menu , select “ Log Files ” • Select “ View System Log ” or “ Get Support Log ” Figure 5-17: Error and System Event Log The system displays the command s for navigating the system event and error logs at the bottom o[...]

Chapter 6 – LUN Configuration The extremely versatile RamSan-3xx series supports a variety of configurations and access control methods. LUN con figuration is a memory-partitionin g tool that allows the administrator to configure system memory into LUNs (Logical Unit N umbers) that may be assigned to specific Fibre Channe l ports i n the RamSan. [...]

6.1 A example LUN configuration This section summarizes how to change the system memory configuration from the default factory configurat ion to a new confi guration, which consists of four part itions and has access lists that allow only four host machines to use the RamSan. This demonstration assumes the fo ur HBAs and the RamSan’s Fibre Channe[...]

6.2 Adding LUNs The RamSan allows the administrator to add LUNs through the Text Management Interface and the web interface. 6.2.1 Via Web Interface To add LUN(s) via the web interface: • Click on the “ Management Control Processor ” graphic • Click on the “ LUN Config ” tab • Click the “ New LUN ” button • Select a “ LUN numb[...]

6.2.2 Via Text Management To add LUN(s) via the Text Management Interface: • From the Telnet Main Menu , select “ LUN Setup ” • Select “ Add LUN(s) ” Figure 6-4: Adding LUN(s) Menu The first three rows at the top of the “ Add LUN(s) ” screen display details regarding the available storage space and LUN size. The second three rows di[...]

6.3 Viewing LUN status / LUN map To help you visualize t he setup of the system LUNs, TMS provides a LUN map in the Text Management Inte rface and the Web Interface. 6.3.1 Via the Web Interface When using the Web Interface, you can view the LUNs for the entire system or for the spec ific fibre channel controller: To view the LUNs for the entire sys[...]

To view the LUNs available to a particular Fibre Channel Controller: • Click on the “ Fibre Channel Controller ” graphic. • Click on the “ Available LUNs ” tab. • This screen displays the av ailabl e LUNs for the selected Fibre Channel Controller. Figure 6-6: Viewing LUNs Assigned to FC ports via Web Interface RamSan-300/320 User’s [...]

6.3.2 Via Text Management To view the LUN map via Text Management Interface: • From the Telnet Main Menu , select “ LUN Setup ” • Select “ Print detailed LUN map ” Figure 6-7: LUN Map Screen The LUN map, see Figure 6-7: LUN Map Screen , shows only three configurations per page. To scroll through all of th e entries, press any key other [...]

6.4.2 Via Text Management Linking Fibre Channel Controllers • From the Telnet Main Menu , select “ LUN Setup ” • Select “ Link/unlink fibre channel controller(s) to/from LUN(s) ” Figure 6-8: Link LUNs Screen The Link LUNs screen displays the currently selected controller and port above the menu. Figure 6-8: Link LUNs Screen displays the[...]

Unlinking Fibre Channel ports from LUN To unlink a LUN from an FC controller: • From the Telnet Main Menu , select “ LUN Setup ” • Select “ Link/unlink fibre channel controller(s) to/from LUN(s) ” • Select appropriate channel/port (See Linking Fibre Channel Controllers , above) • Select “ Unlink LUN(s) from selected controller ”[...]

6.5 Changing LUN numbers The configuration utilities allow you to change the LUN nu mbers. 6.5.1 Via Web Interface To change LUN numbers via th e Web Management Interface: • Click on the “ Management Control Processor ” graphic. • Click on the “ LUN Config ” tab. • Select the LUN to edit by click ing on the LUN graphic. • Click the [...]

6.6 Resizing LUNs The Text Management Interface make s it possible to change the LUN sizes. The configu ration utilities allow you to both increase and decrease the size of the currently configured LU Ns, to make room for more LUNs, or to ensure that t he system is using all available space. 6.6.1 Via Web Interface To resize the LUNs via the Web Ma[...]

6.7 Managing access lists The Text Managemen t Interface provides the ability to create access lists for individual Fibre Chan nel ports. This allows the admin istrator to specify which worldwide port names (HBAs) are all owed to communicate with each partition. 6.7.1 Via Web Interface To manage access lists via th e Web Management Interface: • C[...]

Adding Access Lists To add a worldwide port name to a LUN access list: • Select LUN (See instru ctions in Section 6.5 ) • From the Telnet Main Menu , select “ LUN Setup ” • Select “ Modify LUN(s) ” • Select “ Add WWN mask to LUN ” • Type in the mask that you wish to add. The system automatically inserts the colons between the [...]

Setting SCSI device identifiers This allows a user to set an SCSI device identifier between 1 and 255. • From the Telnet Main Menu , select “ LUN Setup ” • Select “ Modify LUN(s) ” • Select LUN (See instru ctions in Section 6.5 ) • Select “ Set SCSI device identifier ” • Enter a unique device identifi er from 1 to 255 and pres[...]

6.8 Deleting LUNs The Text Management Interfac e and web interface allow the administrator to delete LUNs. 6.8.1 Via Web Interface To delete LUNs via the web interface: • Click on the “ Management Control Processor ” graphic. • Click on the “ LUN Config ” tab. • Select to LUN to delete by cli cking on the LUN graphic. • Click the ?[...]

6.8.2 Via Text Management To delete LUNs via the Text Management Interface: • From the Telnet Main Menu , select “ LUN Setup ” • Select “ Delete LUN(s) ” • Select a LUN or LUNs and press Enter . • Confirm LUN deletion by pressing “ Y ” or cancel by pressing “ N ” – see Figure 6-15: Deleting LUNs • Select “ Exit to the [...]

6.9.1 Via Web Interface To set the LUN’s backup mode vi a the Web Management Interface: • Click on the “ Management Control Processor ” graphic. • Click on the “ LUN Config ” tab. • Select the LUN to edit by click ing on the LUN graphic. • Click the “ Modify LUN ” button. • Select the backup mode from the “ Backup Mode ”[...]

Volatile mode (optional) This operational mode disables the back up functionality for the LUN making it completely v olatile. In the case of system shutdown or failure, all data stored in the selected LUN will be lost intentionally . RamSan-300/320 User’s Manual - 69 -[...]

Chapter 7 Fibre Channel Controller Configuration The RamSan allows the user to se lect the topology, link speed, and failover options for the F ibre Channel Controllers. RamSan supports Point- to-Point and Arbitrated loop topologi es and can auto-detect the topology. It supports 1- and 2-Gbit link speed s and can auto-detect the speed. When more th[...]

Via Text Management • From the Telnet Main Menu , select “ Controller setup ” • Select “ Select controller ” • Choose a controller from the sub-menu and press [ENTER] Figure 7-2: Controller Setup via Text Management Interface The top of this menu indicates the controller’s current settings. To change the topology: • Select “ Cha[...]

Generally, selecting aut o-detect for topology and lin k speed provides you with the proper se ttings for your system. If the Controller Setup screen displays these settings as “ Unkn ” (See Figure 7-3: Auto-Detect Error ) once you have saved the changes, you must configu re the link speed and topology man ually. Figure 7-3: Auto-Detect Error F[...]

7.2 Configuring high availability The administrator can configure the RamSan’s Fibre Channel (FC) controllers to back each other up in case of a fail ure. There are five basic FC controller states. To view or change the state: • From the Telnet Main Menu , select “ Controller setup ” Figure 7-4: Controller Setup Menu The Controller Setup sc[...]

Primary (Active, Secondary is X) This state is identical to “ Primary (Active)” st ate with one important difference: the administrator has selected a secondary controller, Controller X, to backup this primary cont roller. If this primary controller loses its link f or an extended period or cannot transmit data for any reason, th e secondary co[...]

Secondary (Active, Primary is X) This state indicates a secondary co ntroller that has taken over for a failed primary controller. Th e administrator originally configu red this controller to backu p the primary controller; how ever, when the primary controller failed, th is controller became an active copy of the primary. In this st ate, the prima[...]

Chapter 8 – System Maintenance One of the main feat ures of the RamSan is th e ability to hot swap many of the system components. You can hot swap th e power supplies and disk drives, meaning that you can remove and replace these co mponents whil e the system is running. 8.1 Hot Swapping Power Supplies The RamSan-3xx series includes two power sup[...]

If all hard disks fail, the system automatically detects this and stays operational; howev er, the system remains volat ile until three new h ard drives are replaced. When the ne w drives are replaced, the system rebuilds the drives from th e system memory image. Use the following steps to replace bad disk drives: 1. Verify that disk synchronizatio[...]

Chapter 9 – Troubleshooting The RamSan is a complex system with many redundant features to safeguard your data; however, components can fail. The Ra mSan has many ways to i nform the user about what is happening inside the system. Rather than try to list all the different possible failures, this section explains how to ident ify and solve problem[...]

Chapter 10 – Specifications 10.1 Physical Characteristics Rack Mount Size: 3U (5.25”) x 26” deep Weight: up to 90 lbs. Voltage: 90 ~ 264 VAC Ventilation: Front to back airflow 10.2 Operating Environment Temperature: 32-85 ° F (0-30 ° C) Max relative humidity: 80% (non-condensing) Power consumption: 350 W 10.3 Non-operating Environment Tempe[...]

Appendix A – RamSan-3xx Series Replacement Parts Figure A-1 MCP-65 Management Control Processor Figure B-2 FC-65 Dual Channel 2-Gigabit Fibre Channel Controller RamSan-300/320 User’s Manual - 80 -[...]

Figure B-3 Power Supply Module Figure A-5 16 Gigabyte Memory Blade RamSan-300/320 User’s Manual - 81 -[...]

Figure A-6 120 Gigabyte Replacement Hard Drive RamSan-300/320 User’s Manual - 82 -[...]

Appendix B – FCC/Safety Notices Warning: Changes or modifications to this uni t not expressly approved by the party responsible for compliance could void the us er’s authority to operate the equipment. Note: This equipment has been tested an d found to comply with the l imits for a Class A digital device, pursuant t o Part 15 of the FCC ru les.[...]

Appendix C – Warranty, Maintenance, Field Service, and Repair Policy BRONZE WARRANTY Equipment purchased from Te xas Memory Systems, Inc. (TMS) is warranted for 1 year from the date of shipment. The warra nty includes return-to-factory service for equipment that does not meet its published specifi cation during normal operation. Damage due to ext[...]

shipping container. Once the RMA has been issued, the items must be returned to TMS within th irty (30) days, or else th e RMA will be cancelled. SILVER WARRANTY - Advanced Parts Replacement Texas Memory Systems Silver Warrant y may be purchased which provides all of t he features of the Bronze plan. In addition , for one to three years (customer o[...]

RamSan-300/320 User’s Manual - 86 - OUTSIDE OF WARRANTY Faulty equipment may be returned to the fa ctory for repair up to five years after purchase with appropriate RMA. The cu stomer is responsibl e for shipping the equipment back to the factory, together wi th a detailed description of the nature of the problem and the test s used to determine [...]