Texas Memory Systems 325 manual

TEXAS MEMORY SYSTEMS, INC. RamSan- 300/320/325 User’s Manual Version 2.1[...]

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 Overview ................................................................................................. 1 Conventions ...............................................................................[...]

Chapter 8 – SNMP Configuration ................................................................................ 93 8.1 Enabling SN M P se t t ing s ............................................................................... 93 Chapter 9 – System Maintenance ............................................................................... 98 9[...]

Preface Document Overview This document provides operat ing procedures for the RamSan- 300/320/325. It covers installation , management, and troubleshooting issues. Conventions This document uses t he following textual conventions: Select Front panel button descriptions Ethernet Setup Front panel text (me nu items) lunconfig Management port (serial[...]

Revision History The following table describes revisions to this document: Version Comments Date Firmware 1.0 Initial release 08/15/2003 1.1 Added component photographs Added information abo ut using the he lp function in the text mana gement interfa ce. Added Appendix A. 09/11/2003 1.2 Updated power supply details . 10/02/2003 1.3 Added details fo[...]

Chapter 1 – Introduction 1.1 Overview The RamSan-3xx series solid-state di sk uses SDRAM (memory) as i ts primary storage. This techn ology en ables practically instantaneous data access, which results in dramatic application performance increases. Texas Memory Systems (TMS) des igned the RamSan to b e highly availabl e and fault tolerant. The sy[...]

1.2 System Components The system components fo r the RamSan-300 i nclude: • Main system memory ranging from 16 to 64 Gigabytes (300/320) • Main system memory ranging from 32 to 128 Gigabytes (325) • One to four Fibre Channel controllers • Dual, redundant hot-swappable power supplies • Redundant fans • Ethernet monitori ng port • Seria[...]

failure occurs, the RamSan-320/325 co ntains redundant b atteries. When fully functional 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 notifi es the operator of an error through the front panel display and the [...]

1.6 Performance The RamSan-3xx series solid st at e disk is the ultimate in performan ce storage. With up to ei ght Fibre Channel ports in a 3U package, the RamSan-3xx series delivers unpara lleled bandwidth a nd I/O. The RamSan-3xx series is capable of 250,000 IOPS (I/O operations per second) and 1,500 MB /sec of read or write performance. RamSan-[...]

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

Figure 2-1: RamSan-320/325 Layout RamSan-300/320/32 5 User’s Manual - 8 -[...]

2.4 Rack Mounting The RamSan-3xx series solid state disk is a 3U rack-mountable syste m. TMS ships the system with the slides and equipmen t 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[...]

Figure 2-3 RamSan Power Supply The power supply includes the fo llowing button and indicators: “Power” switch The large black button above the power supplies acts as an on/off switch and will silence t he warning buzzer. “Power” AC Volta g e • The button provides a means to a ctivate the power suppl ies (turn them on) after a system shutd[...]

AC Voltage indicator light When the power supply is connect ed to AC power and is operating properly, the indicator light attache d to each power supply is green. If the green light is not on, either the powe r supply is disconnecte d from an AC power source or the power supply has failed. Check the power cable to determine if power has been lost t[...]

2. In a RamSan-320/325, the front panel displays “ Restor ing 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 take approximately 12 minu[...]

Chapter 3 – Management Tool Overview 3.1 Front Panel Display The Front Panel Display provides a quick and easy way view the RamSan’s status. It displays the current prog ress of dis k 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 IP[...]

↓ The “ ↓ ” button scroll s down through the men u. The “ ↓ ” button is also used confirm certain commands, as indicated on the display. If the menu is not select ed, this button is disabled. 3.1.1 Front Panel menu system layout The following details the menu sy st em of the front pan e l display : Main Menu System Infor mation Firmwa[...]

3.2 Text Management Interface The RamSan’s management port allo ws you to manage, configure, a nd monitor system behavior. You may connect to the management port with either a DB -9 serial cable or an RJ-45 Ethernet cable. 3.2.1 Connecting using a terminal pr ogram To connect to the Ram San using a serial port connection, use a dumb terminal or a[...]

Figure 3-2: Text Management Interface 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[...]

TMS designed some screens to di splay status information and display data as in Figure 3-4: Text Manage ment Inte rface Status Screen : Figure 3-4: Text Management Interface Status Screen On status screens, the program provides the user with se veral options: • Press ‘Q’ to exit the menu • Press ‘I’ or ‘D’ to increment or decrement [...]

Some of the sub-menus have a large numbers of items and therefore scroll. In Figure 3-5: Scrolling Sub-Menus , notice to the right of the choices there is a ‘ - ‘, ‘ v ’, or ‘ ^ ’. In our example we see a ‘ - ‘ and ‘ v ’. ‘ v ’ and ‘ ^ ’ indicate that it is possible to scroll down and up, and ‘ - ‘ indicates you have[...]

Figure 3-6: Web Management Interface 3.4 SNMP RamSans support the Simple Networ k Management Protocol (SNMP), which is the domin a n t network manage ment protocol. The industry has accepted this protocol due to its rela tive simplici ty. The SNMP sta ndards provide a framework for the defi nition of management info rmation along with a protocol fo[...]

Chapter 4 – Administration Functions 4.1 Security The RamSan has several features that allow the administrator to co ntrol system access, including passw ord protected access and the ability to disable remote access via Telnet, Web, or SN MP. 4.1.1 Logging into the system The RamSan has one account: “admin.” 4.1.2 Set password Since it is pos[...]

Via Web Interface To change the administrator password 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 “ Cha ng[...]

Via Text Management To change the administrator password via Text Management Interface: • From the Telnet Main Menu , select “ Man agement setup ” • Select “ Change password ” • Enter the admin password and press [ENT ER] If you are not logged in thro ugh the console, you mus t verify your password. For security reasons, the system do[...]

Via Web Management To enable/disable Teln e t 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 a nd press the “ Save ” [...]

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

4.1.4 Enable/disable Web I nterface 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 interfac e via the web interface: • Click on the “ Management Control Processor ” graphic • Click on the “ Network ” tab To disable the[...]

4.2 Configuring System Date and Time The RamSan uses the system date and ti me to update the event l og. This feature aids in troubleshooting. 4.2.1 Set Date and Time Via Web Interface To change the system date and ti me via the web interface: • Click on the “ Management Control Processor ” graphic • Click the “ General Config ” tab •[...]

Via Text Management To change the system time via Text Ma nagement Interface: • From the Telnet Main Menu , select “ Man agement setup ” • Select “ Set system date/time ” • Select “ Set the time ” • Set the time and press [ENTER] • Select “ Set the date ” • Set the date and press [ENTER] • Select “ Save changes and e[...]

• Displays a list of th e current IP configuration, hostname, IP address, subnet mask, gateway address (if applicable), and hardware Ethernet address. • To continue setting up the Ethernet configuration • Shuts down and restarts the Ethernet port using the current IP assignment configuration • Exits the setup menu. Show Current Config Set I[...]

Talk to your network admini strator for the proper IP assignment type. The default factor y setting is DHCP. Use the “ Select ” b utton to select the desired method of IP assignment. If you did not choose “ Static IP ” you are asked to confirm the selection with the “ ↓ ” button. To configure the RamSan with a st atic IP, the system r[...]

After confirming the ne w IP assignment mode, the display indicates “ Shutting Down Networ k… ” followed by a success or failure message. Then, the display indicates “ Saving IP Config… ” followed by a success or failure message. Next, the RamSan atte mpts to start the network with the new settings, indicated on the front panel display [...]

4.3.2 Configuring Ethernet Settings via Web Management Interface To setup the Ethernet via th e Web Management Interface : • Click the “ Ma nagem ent Co ntrol Proce ssor ” graphic • Click the “ Ne twor k ” tab • Configure the Ethernet settings using the fields u nder “ Configure Network ” • Click the “ Save ” button. Figure [...]

4.3.3 Configuring Ethernet settings via Text Management Interface • From the Telnet Main Menu , select “ Man agement setup ” • Select “ Configure Ethernet ” Figure 4-8: Ethernet Setup The system displays the “Etherne t Setup” scre en, as shown in Figure 4-8: Ethernet Se tup. To change to IP assignment mode: • Select “ IP assignm[...]

To set the hostname: • Select “ Select hostname ” • Enter the hostname and press [ENTER] • When all Ethernet setup is complet e, select “ Save changes, restart the network, and Exit ” 4.4 Power Down Settings The RamSan has features that allow the administrator to safel y power down the system. 4.4.1 Manual shutdown The administrator c[...]

Now, the front pa nel 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 Man[...]

4.5 Installing New Feature Licenses The RamSan allows the admi nistrator to add license keys a s new features become available. 4.5.1 Via the We b Interface To add a new feature license via the Web Interface: • Click on the “ Management Control Processor ” graphic • Click on the “ Ge neral C onfig ” tab • Type or paste the license key[...]

4.5.2 Via Text Management To add a new feature license vi a the Text Management Interface: • From the Telnet Main Menu , select “ Man agement setup ” • Select “ Manage system licenses ” • Select “ Add a feature l icense ” • Type or paste the license key into the input box and press [ENTER] If the system accepts the license key, [...]

4.6.1 Download Configuration Setting s Via the Web Interface To download the configurati on settings vi a the Web Interface: • Click on the “ Management Control Processor ” graphic • Click on the “ Ge neral C onfig ” tab • Click the “ Download Settings ” button The web interface will g enerate th e con figuration file, an d you wi[...]

4.6.2 Upload Configuration Settings Via the Web Interface To upload the configurat ion se ttings via the Web Interfa ce: • Click on the “ Management Control Processor ” graphic • Click on the “ Ge neral C onfig ” tab • Click the “ Upload Settings ” button • The web interface will o p en a new browser window to facilitat e upload[...]

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. This allow s you to easily determine that the system is in good health and, under rare ci rcumstances, determine that a failure is imminent or has occurred. 5.1.1 Front Pane l Monitoring When the[...]

Status The following statu s 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 displ ay. Possible warning examples: • 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 sh ows th e performance bars for each Fibre Channel port. The numbers represent the Fibre Channel Cont rollers. If a controller is not installed, the number and correspond[...]

LED Performance Monitoring If your system is equi pped with front pa nel LEDs, you can al so 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 Band width .” To use the LEDs to display IOPS, select “ Di[...]

5.1.2 Identifying a Ram San When you have more than one Ram San, the “Identi fy Device” feature helps yo u t o physically locat e which RamSan you are monitoring. Th is feature blinks the front pan el display. The following demonst r at es how to make the front panel display st art and stop blinking. Via Web Interface To make the RamSan front p[...]

5.1.3 Viewing System Uptime The system upt ime provides information abou t how long 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 “ Genera l Info ” tab The “ Gene ral In fo ” screen displays the “ Uptime ” bel[...]

Via Text Management To view the system up time via Text Management In terface: • From the Telnet Main Menu , select “ Hea lth and St atus ” 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 Sta tus : Figure 5-3: Health and St[...]

5.1.4 Viewing System Health The system health all ows the user to monitor vital system health statistics, such as general stat e information, voltages, temperatures, and fan speeds. Via Web Interface Information concerning the di sks, batteries, power supplies, and fans are all found in se parate loca ti ons through the Web interface. The RamSan-30[...]

Batteries (Not displayed fo r the RamSan-30 0) • Click on the “ Batteries ” graphic • Click on the “ Genera l Info ” tab Figure 5-5: Battery Status via Web interface RamSan-300/320/32 5 User’s Manual - 47 -[...]

Management Control Processor To view the MCP stat us via web interface: • Click on the “ Management Control Processor ” graphic • Click on the “ Genera l Info ” tab Figure 5-6: MCP General Info Tab for Status RamSan-300/320/32 5 User’s Manual - 48 -[...]

Power Supplies • Click on the “ Power Supply ” graphic • Click on the “ Genera l Info ” tab Figure 5-7: Power Supply Status via Web Interface RamSan-300/320/32 5 User’s Manual - 49 -[...]

Fans • Click on the “ Fans ” graphic • Click on the “ Genera l Info ” tab Figure 5-8: Fans Status via Web interface RamSan-300/320/32 5 User’s Manual - 50 -[...]

Via Text Management • From the Telnet Main Menu , select “ He alth and St atus ” • Select “ View system monitor” Figure 5-9: Text Management Interface System Health Status The states are classified as “Good,” “Warn,” a nd “Error”: “Good” This states that everyt hing is functi oning under normal operati ng conditions. “[...]

Figure 5-10: Text Management Interface System Health Details By pressing the “ V ” key while on the System Health Status screen, the system will display the Syst em Health Details screen. Press the “ Q ” key to return t o the System Health St atus screen. RamSan-300/320/32 5 User’s Manual - 52 -[...]

5.1.5 Viewing Detailed Fibre Channe l Controller Status Via Web Interface The Web interface allows you to view all of the fibre channel information, bu t on e fibre channel controller at a time. • Click on one of the “ Fi bre Channel ” graphics • Click on the “ Genera l Info ” tab Figure 5-11: Fibre Channel Controller Status via Web Int[...]

Via Text Management • From the Telnet Main Menu , select “ He alth and St atus ” • Select “ View Controller Status ” Figure 5-12: Fibre Channel Controller Status via Text Management Interface RamSan-300/320/32 5 User’s Manual - 54 -[...]

5.2 Statistics The storage administrator can moni tor important statistics tha t define the level of system performan ce through the various man agement utilit ies. These statistics include Input and Outp ut operati ons per second (IOPS) and bandwidth. 5.2.1 Viewing IO/Second Summary Via Web Interface • Click on one of the “ Fi bre Channel ” [...]

fibre channel controller in the sy stem. It also displays a total across all of the FCs present. Figure 5-14: IO/sec Summary RamSan-300/320/32 5 User’s Manual - 56 -[...]

5.2.2 Viewing Bandwidth Summary Via Web Interface To view the bandwidth statis ti cs via the web interface: • Click on one of the “ Fi bre Channel ” graphics or the “ Management Contro l Processor ” graphic • Click on the “ Statistics ” tab • Click the radio button next to “ Bandwid th ” The graphing tool provides the op tion [...]

Via Text Management To view the bandwi dth summary via Text Man agement Interface: • From the Telnet Main Menu , select “ He alth and St atus ” • Select “ View statistics ” • Select “ Bandwidth summary ” The “ Bandwidth Summary ” screen displays the bandwidth read (r), write (w), and tot als (t) for each fibre ch annel control[...]

5.2.3 Viewing Transfer Size View the transfer size to monitor how the file system is processing your data. This i nformation can be used understand performance limitations. Via Web Interface To view the transfer si ze statistics vi a the web interface: • Click on one of the “ Fi bre Channel ” graphics or the “ Management Contro l Processor [...]

Via Text Management To view the bandwi dth summary via Text Man agement Interface: • From the Telnet Main Menu , select “ He alth and St atus ” • Select “ View statistics ” • Select “ Transfer size summary ” The “ Transfer Size Summary ” screen displays the transfer size read (r) and write (w) for each fibre channel controller[...]

5.2.4 Viewing Queue Dept h Summary Use the outstanding queue de pth summary to analyze the utilization of the RamSan’s resou rces. If the queue depth is below one, then the RamSan is not bein g fully utilize d. If th e queue depth is above or at one, the n yo u may wish to add additional links or change other performan c e paramet ers to further [...]

Via Text Management To view the bandwi dth summary via Text Man agement Interface: • From the Telnet Main Menu , select “ He alth and St atus ” • Select “ View statistics ” • Select “ Queue Depth summary ” The “ Queue Depth Summary ” screen di splays the outs tanding command queue depth for read ( r), write (w), and totals (t [...]

5.2.5 Viewing Controller Details Via Text Management To view the controlle r details via Text Management In terface: • From the Telnet Main Menu , select “ Health and stat us ” • Select “ View statistics ” • Select “ Controller details ” • Select a fibre channel controller f rom the sub-menu . The “ FC Overvi ew ” screen sho[...]

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 “ Dump entire system log ” or “ Get support log ” Figure 5-22: Error and System Event Log The system displays the command s for navigating the system event and error logs at th e [...]

5.3.4 Configuring Remote Logging The RamSan is capable of sending log messages to a rem ote log using standard RFC 3164 BSD Sysl og Protocol messages. Your remote log host must be configur e d correctly to receive and log these system log messages. Via Web Interface To enable remote host logging via th e web interface: • Click the “ Ma nagem en[...]

Chapter 6 – LUN Configuration The extremely versatile RamSan-3xx seri es supports a variety of configurati ons and access control methods. LUN configurat ion is a memory-partitioning tool t h at allows the administrator to configure system memory into LUNs (Logical Unit Numbers) th at may be assigned to specific Fibre Channe l ports in 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 configurati on, which consists of four partit ions and has access lists that allow on ly four host machines to use the RamSan. This demonstration assu mes th e fo ur HBAs and the RamSan’s Fibre Cha[...]

6.2 Adding LUNs The RamSan allows the administrator to add LUNs throug h the Text Management Interface an d the web interface. 6.2.1 Via Web Interface To add LUN(s) via the web interfa ce: • Click on the “ Management Control Processor ” graphic • Click on the “ LUN Config ” tab • Click the “ Ne w LUN ” button • Select a “ LUN [...]

6.2.2 Via Text Management To add LUN(s) via the Text Management Inter face: • 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 L UN(s) ” screen display details regarding the availabl e storage space and LUN size. The second three rows[...]

6.3 Viewing LUN Status / LUN Map To help you visualiz e the setup of the system LUNs, TMS provides a LUN map in the Text Manag ement Interface and the Web Inter face. 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 sy[...]

To view the LUNs available to a par ticular Fibre Channel Co ntroller: • Click on the “ Fibre Channel Controller ” graphic. • Click on the “ Available LUNs ” tab. • This screen displays the availab l e LUNs for the selected Fibre Channel Control ler. Figure 6-6: Viewing LUNs Assigned to FC ports via Web Interface RamSan-300/320/32 5 U[...]

6.3.2 Via Text Management To view the LUN map v ia Text Management Interface: • From the Telnet Main Menu , select “ LUN Setup ” • Select “ Print detailed LUN map ” • Select “ All LUNs ” or a specific LUN. Figure 6-7: LUN Map Screen The LUN map, see Figure 6-7: LUN Map Screen , shows up to three configurations per page. To scroll [...]

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

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

6.5 Changing LUN Numbers The configuration utilities allow you to change t h e LUN numbers. 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 clicking on the LUN graph ic. • Click the[...]

6.6 Resizing LUNs The Text Management Int erf ace makes it possible to change t h e LUN sizes. The configurat ion utilities allow you to both increase and decrease the size of the currently configured LU Ns, to m ake room for more LUNs, or to ensure that th e system is using all av ailable space. 6.6.1 Via Web Interface To resize the LUNs via the W[...]

6.7 Managing Access Lists The Text Management Interf ace provides the ability t o create access lists for individual Fibre Chan nel ports. This allows th e admin istrator to specify which worldwide port names (HBAs) are allow ed to communicate with each partition. 6.7.1 Via Web Interface To manage access lists via the Web Management I nterface: •[...]

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

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

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 clicking on the L UN graphic. • Click the ?[...]

6.8.2 Via Text Management To delete LUNs via the Text Ma nagement 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 ca ncel by pressing “ N ” – see Figure 6-15: Deleting LUNs • Select “ Exit to th[...]

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 clicking on the LUN graph ic. • Click the “ Mo dify LUN ” bu tton. • Select the backup mode from the “ Backup Mode ?[...]

Volatile mode (optional) This operational mode disables the backu p functionality for th e LUN making it completely volatile. In th e case of system shutdown or failure, all data st ored in the selected LUN will be lost intent ion ally. 6.10 Initializing LUNs The RamSan-320/325 allows the administra tor to initialize each LUN. The initialization pr[...]

Chapter 7 – Fibre Channel Controller Configuration The RamSan allows t h e user to select the t opology, link speed, an d failover options for the Fibre Channel Controllers. RamSan su pports Point-to-Poi nt and Arbitrated loop topologies and can auto-dete ct the to pology. It supports 1- and 2-Gbit link speeds and can auto-detect the spe ed. When[...]

Via Text Management • From the Telnet M ain 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 in dicates the controller’s current settings. To change the topology: • Select “ C[...]

Figure 7-3: Auto-Detect Error For more information regarding the settings appropriate for your application, please consult your fibre channel admini strator. Important: Saving changes made from this m e nu causes the system to reset the Fibre Channel Cont roller, which may resu lt in data corrupt ion. TMS does not recommend changing the contro ll e[...]

Primary (Active, Secondary is X) This state is ident ical t o “ Primary (Active)” state with one important difference: the administrator has selected a secondary controller, Controller X, t o backup this primary controller. If th is primary controller loses its link for an ext ended period or cannot transmit da ta for any reason, the secondary [...]

the administrator resets this contr oll er back to “Primary (Active)” state result in errors because the drives appear to have been removed. TMS does not recommended configuring an acti ve secondary controller as primary unless no transmi ssions are taking place. Via Web Interface To change the failover stat e via the web interface: • Click o[...]

Via Text Management To view or change the state via the Text Management Interface: • From the Telnet M ain Menu, select “ Controller setup ” Figure 7-5: Controller Setup Menu The Controller Setup screen, see Figure 7-5 , displays the selected controller at the top of the screen. Next to the controller number, the display indicates the control[...]

7.3 Resetting a Fibre Channel Controller The system allows y ou to reset a fibre channel cont roller in the unlikely situation that a fibre c hannel controller becomes unrespo nsive. Via Web Interface To change reset a fibre channel co ntroller via the Web Interface: • Click on the “ Fibre Channel Controller ” graphic. • Click on the “ Co[...]

7.4 Clearing Fibre Channel Controller Statis tics The system allows you to clear fibre channel controller statistics in order to resolve system warnings. This fe ature clears the link down count, CRC error count, receive error count, an d any associated syste m warnings. Via Web Interface To change clear the fibre channe l controller statistics via[...]

To view the fibre chann el consol e through t he Text Management Interface: • From the Telnet M ain Menu, select “ Health and status ” • Select “ Advanced FC options ” • Select “ View fibre ch annel console ” • Select a fibre channel controller f rom the sub-menu • To return to the Advanc ed FC Options Menu, press “ Q ” 7.[...]

Chapter 8 – SNMP Configuration 8.1 Enabling SNMP settings RamSans support the Simple Networ k Management Protocol (SNMP), which is the domin a n t network manage ment protocol. The industry has accepted this protocol due to its rela tive simplici ty. The SNMP sta ndards provide a framework for the defi nition of management info rmation along with[...]

Table 1 describes the SNMP defa ult configuration: Feature: Default Setting: SNMP Community S trings: Read: Read Read/Write: ReadWrite System Location: Nothing System Contact: Nothing SNMP Trap IPs: None configured SNMP Traps: None enabled Table 1: SNMP Default Configuration In addition, the SNM P standards allow you to enter the location of the sy[...]

To change the system location: • Select “ Change the system location ” • Enter the system locati on and press [ENTER] To change the system contact name : • Select “ Change the system contact ” • Enter the system contact and press [ENTER] All modifications are vi sible at the top of the menu. To save any changes: • Select “ Save [...]

8.1.2 SNMP Tra p configur ation The RamSan has the ability to send unsolicited messages to managers when it detects a signif icant event. The SNMP standard refers to this type of m essage as a “trap.” The RamSan su pports the f ollowing trap s: • Power on notification – i ndicates that the system has turned on • Power off notifi cation ?[...]

To remove a trap receiver from the list of Trap IPs: • Select “ Remove IP address fr om the trap list ” • Select the IP to be removed and press [ENT ER] To view a list of trap receivers by IP address: • Select “ Print the current trap IP list ” • The interface w ill d isplay the list of trap receivers. Press [ENTER] to return to the[...]

Chapter 9 – System Maintenance Texas Memory Systems designed the RamSan to be easily maintainable. Y ou can update firmware from the web interface and easily maintain th e system component s . One of the main features of the RamSan is the ability to hot sw ap many of the system components. You can ho t swap th e power supplies and disk drives, me[...]

A new window will appear … • Click the “ Br owse ” button to select the pat ch file. • Click the “ Sub mit Fi le ” button. Figure 9-2: Uploading Patch File via Web Interface The system will ask y ou to confirm you r password: • Enter the system passw ord into the text field • Click the “ Patch ” button. Figure 9-3: Confirming [...]

The system will begin t o update the firmware and provide progress in th e patching process: Important: Do not close this wind ow while the system is being patc hed. • Once the update is complete, po wer off a nd then power on the RamSan (The front panel will provide a reminder). • The firmware update is complete. Figure 9-4: Firmware Update Pr[...]

9.3 Hot Swapping Disk Drives The RamSan-320 includes three intern al hard disk drives in a RAID configuration. The RamSan-325 includes four internal hard disk drives in a RAID configuration. The RamSan’s internal disk drives are equipped with indus try standard Self-Monitoring, Analysis and Reporting Technology ( SMART). The RamSan uses SMART to [...]

9.4 Batteries The RamSan-320/325 is equipped with three re dundant 30-minute Lithium Ion batteries. The batteries ar e designed to protect the data in SDRAM memory. If the RamSan-320/ 325 looses external power, the system continues to fu nction by running on t he internal batteries. Even i f both power supplies are removed or fa il, the batteri es [...]

Chapter 10 – Troubleshooting The RamSan is a complex system with many redunda nt features to safeguard your data; however, components can fail. The Ra mSan has many ways to inform the user about what is happening inside the system. Rather than t ry to list all the di fferent possible failures, this sect ion explai ns how to identify a nd solve pr[...]

Chapter 11 – Specifications 11.1 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 11.2 Operating Environment Temperature: 32-85 ° F (0-30 ° C) Max relative humidit y: 80% (non-condensing) Power consumption: 350 W 11.3 Non-operating Environment Temp[...]

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-300/320/32 5 User’s Manual - 105 -[...]

Figure B-3 Power Supply Module Figure A-5 Memory Blade RamSan-300/320/32 5 User’s Manual - 106 -[...]

Figure A-6 120 Gigabyte Replacement Hard Drive RamSan-300/320/32 5 User’s Manual - 107 -[...]

Appendix B – FCC/Safety Notices Warning: Changes or modifications to this unit not expressly approved by the pa rty responsible for compliance could void the us er’s authority to operate the equipment. Note: This equipment has been tested and fo und to comply wi th the li mits for a Class A digital device, pursuant to Part 15 of th e FCC rules.[...]

Appendix C – Warranty, Maintenance, Field Service, and Repair Policy BRONZE WARRANTY Equipment purchased from Texas Memory Sy stems, 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 specification during norm al operation. Damage due to ext[...]

shipping container. O nce the RMA has been issued, the items must be returned to TMS within thi rty (30) days, or el se the RMA will be canc elled. SILVER WARRANTY - Advanced Parts Replacement Texas Memory Systems Silv er Warran ty may be purchased wh ich provides all of the features of the Bronze plan. In addition, for one to three years (customer[...]

OUTSIDE OF WARRANTY Faulty equipment may be returned to the fa ctory for repair up to five years after purchase with appropriate RMA. The customer is responsibl e for shipping the equipment back to the factory, together wi th a detailed descripti on of the nature of the problem and the tests used to determine the failure. TMS will take all reason a[...]

Appendix D – Serial Port Settings You may connect to the management port with either a DB-9 serial cable or an RJ-45 Ethernet cable. The following se ttings ap ply to the serial port. Port Settings To connect to the RamS an using a serial po rt connection, use a dumb terminal or a terminal emulation program such as Windows™ HyperTerminal. Set y[...]

Appendix E – SNMP Trap Definitions The following list prov ides detailed information about th e SNMP v2 notifications (traps) that the RamSan 320/325 generates be cause of various system events. Each trap contains a timestamp, trap OID, brief message, and sometimes a relevant system state variable. The system sends tr aps to each IP address fo un[...]

Name temp-state-notif Description The temperature state has changed Includes Message Temperature State: -1 notImplemented Thi s indicates there may be an SNMP reporting problem 0 noState N/A 1 error N/A 2 warn The temperature has dropped below accepta ble levels and s hould be moved to a wa rmer environment. 3 good The temp erat ure is withi n spec[...]

Name power-state-notif Description The power state has changed Includes Message Power State: -1 notImplemented Thi s indicates there may be an SNMP reporting problem 0 noState N/A 1 error Voltage levels are dangerously low; the system may be powered off. 2 warn Voltage a nd/or cu rrent le vels are below specific ation . 3 good Voltage and cu rrent [...]

Name battery-state-notif Description The battery state has changed Includes Message Battery State: -1 notImplemented Thi s indicates there may be an SNMP reporting problem 0 noState N/A 1 error The battery has failed a periodic battery test and may need to be serviced, or one or more of the batteries have voltages that threaten the system’s abili[...]

Name fan-state-notif Description The fan state has changed Includes Message Fan State: -1 notImplemented Thi s indicates there may be an SNMP reporting problem 0 noState N/A 1 error One or more fan channels have stopped; temperature warnings that will cause the system to shutdown are imminent. 2 warn Single fans in one or more fan channels have sto[...]

Name array-state-notif Description The disk array state has changed Includes Message Name fc-state-notif Description A fibre channel controller state has changed Includes Message Device Number Disk State: -1 notImplemented Thi s indicates there may be an SNMP reporting problem 0 noState N/A 1 error N/A 2 warn N/A 3 good The FC controll er i s worki[...]