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TEXAS MEMORY SYSTEMS, INC.

RamSan-325/325c
User’s Manual

Version 2.2

Содержание RamSan-325

Страница 1: ...TEXAS MEMORY SYSTEMS INC RamSan 325 325c User s Manual Version 2 2 ...

Страница 2: ...ies that own them Copyright 2005 Texas Memory Systems Inc All rights are reserved No part of this work may be reproduced or used in any form or by any means graphic electronic or mechanical including photocopying recording taping or information storage and retrieval systems without permission of the copyright owner ...

Страница 3: ... 1 Security 19 4 2 Configuring System Date and Time 25 4 3 Configuring Ethernet Settings 26 4 4 Power Down Settings 32 4 5 Installing New Feature Licenses 34 4 6 Saving and Uploading Configuration Options 35 Chapter 5 Monitoring Functions 38 5 1 Viewing System health and status 38 5 2 Statistics 54 5 3 Logs 62 Chapter 6 LUN Configuration 65 6 1 A Example LUN Configuration 66 6 2 Adding LUNs 67 6 3...

Страница 4: ...leshooting 102 10 1 System Event Log 102 10 2 Support Log 102 10 3 System Diagnostics 102 10 4 Still Having Problems 102 Chapter 11 Specifications 103 11 1 Physical Characteristics 103 11 2 Operating Environment 103 11 3 Non operating Environment 103 Appendix A RamSan 325 Series Replacement Parts 104 Appendix B FCC Safety Notices 107 Appendix C Warranty Maintenance Field Service and Repair Policy ...

Страница 5: ...EQUIPMENT READ AND FOLLOW ALL INSTRUCTIONS AND SAFETY PRECAUTIONS BEFORE OPERATING THE UNIT Before servicing the unit shutdown the unit and remove power cords from both power supply modules Wait 15 seconds before servicing the unit DO NOT REACH INSIDE THE PROTECTIVE ENCLOSURE AFTER REMOVING A POWER SUPPLY MODULE Caution for service personnel Power supply modules include Double Pole Neutral Fusing ...

Страница 6: ...Section 5 1 2 Identifying a RamSan Updated Figures 3 2 5 1 5 2 5 6 and 5 10 12 08 2003 1 6 Updated Section 11 1 with voltage specs Updated Appendix B 01 07 2004 1 7 Updated screen shots with enhanced web monitor interface graphics Added Section 4 2 Configuring system date and time Added web instructions to Section 7 2 Configuring high availability Added web instructions to Section 5 3 3 Clearing l...

Страница 7: ...RamSan 325 s internal disk drives provide a fully non volatile solution The RamSan 325 has two modes of operation Active BackupTM mode and DataSync mode For more information on these modes see Section 6 9 Setting Backup Mode The RamSan complements existing disk drives JBOD or RAID in performance sensitive applications Servers perceive the RamSan as another attached SCSI disk drive For some applica...

Страница 8: ...upply temperature and voltages from the system monitoring software If a RamSan 325 looses power it operates for five minutes before shutting down The shutdown process involves synchronizing data to the internal hard disk drives If the system determines that the battery life will not last the full shutdown delay period it starts the synchronization process When power is restored the RamSan 325 rest...

Страница 9: ... the unit need only finish the backup that is already nearly completed Active Backup is an optional feature on the RamSan 325 therefore some systems may not display this option Datasync mode In DataSync mode reads and writes are done only to memory The disks remain offline during normal operation If power loss occurs and the shutdown timer reaches zero or the user requests a shutdown the system ta...

Страница 10: ...e hour of charge time the batteries provide nine minutes of runtime With two hours of charge time the batteries provide 17 minutes of runtime With three hours of charge time the batteries provide 20 minutes of runtime As a precaution replace the RamSan s batteries every two years To obtain spare or new batteries for your RamSan contact Texas Memory Systems 2 3 System Inspection TMS ships the RamSa...

Страница 11: ...RamSan 325 325c User s Manual 7 Figure 2 1 RamSan 325 Layout ...

Страница 12: ... ports on the system are capable of connecting to point to point arbitrated loop and switched fabric topologies at either 2 Gigabit or 1 Gigabit speeds 2 6 Connecting the Power Supplies TMS equips the RamSan with dual redundant hot swappable power supplies that operate on 110 220 VAC line power A fully loaded RamSan requires approximately 350 watts of power Using the provided AC power cords connec...

Страница 13: ...ower supplies beep If the buzzer sounds silence it by pressing the Power switch once or by correcting the problem The silencing lasts until the problem is corrected Once the problem is corrected the buzzer will sound again if another power failure occurs In addition the button allows the user to force a hard shutdown of the system Only perform a hard shutdown when you are unable to perform a manua...

Страница 14: ...atically is when a user has initiated a manual shutdown or the system has powered off due to some failure other than AC power loss In the event this happens press the Power button which is the large black button above the power supplies Please see Section 2 6 Connecting the Power Supplies 2 8 System Initialization The front panel display shows the boot process s current state Once the power is con...

Страница 15: ...m If all system LUNs are set to Volatile mode the front panel displays Initializing instead of Restoring Data 3 Once the system has restored data the front panel displays System Status GOOD and 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 performance will not display The top ...

Страница 16: ...el Four buttons located to the left of the display are used to make selections Menu The Menu button has two functions Function 1 On any of the status or performance displays pressing the Menu button launches the RamSan Main Menu Function 2 Escape function Once the menu is open pressing Menu returns the user to the prior screen Select When a menu item is on the display pressing Select will either e...

Страница 17: ...are Version Memory Size LUNs Configured IP Address of Controllers FC Firmware System Uptime Ethernet Setup Show Current Config Ethernet Address Subnet Mask Gateway Hostname Ethernet Config Hardware Address Set IP Config Static IP Subnet Mask Gateway DHCP None No Change Exit Restart Network Exit Menu Active Monitor Mode Deactivate Monitor Manual Shutdown LED Display Set LED Mode Display Bandwidth D...

Страница 18: ...rator configures the Ethernet port on the RamSan using either the front panel or the serial port you may remotely monitor the system using a Telnet session Set your terminal settings to VT100 mode In order to use the Ethernet port first configure the IP address for the RamSan by using the front panel display or from the serial port For complete instructions for configuring the Ethernet please refe...

Страница 19: ...3 3 Text Management Interface Sub Menu Figure 3 3 Text Management Interface Sub Menu When in a sub menu the user can select 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 select S to save all of the changes Pressing ESC or selecting Q disregards any changes and returns to the previous menu ...

Страница 20: ... Status Screen On status screens the program provides 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 second intervals Enter R to immediately refresh the data on the screen Enter SPACE to view additional information To exit the Text management interface enter Q from the Main Menu Figure 3 5 Scrolling Sub Menus...

Страница 21: ...xt Management Interface In addition the Web interface includes complete management and configuration features To access the web management interface enter the RamSan s IP address in a web browser The web management interface is password protected Enter your system login and password to access the web management interface 3 3 1 General interface layout and instructions Texas Memory Systems designed...

Страница 22: ...el contains managers and agents A manager is a software module responsible for managing the configuration on behalf of the network management application end users Agents are devices such as the RamSan which are responsible for maintaining local management information and delivering that information to a manager via SNMP Both the manager via polling and the agent via a trap can initiate management...

Страница 23: ...eb or SNMP 4 1 1 Logging into the system The RamSan has one account admin 4 1 2 Set password Since it is possible to access the RamSan remotely through the management port TMS includes a password feature for system security The default password for the admin account is ssd Logging in directly through the serial console automatically bypasses the password feature which allows a system administrator...

Страница 24: ...ement 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 Change button The system immediately changes the administrator password Figure 4 1 Password Change via Web Management Interface ...

Страница 25: ...t logged in through the console you must verify your password For security reasons the system does not display the typed letters when typing in passwords Figure 4 2 Password Change 4 1 3 Enable disable Telnet The system allows the administrator to disable Telnet to prevent users from accessing the system through Telnet Note The RamSan does not allow you to disable access to the console This provid...

Страница 26: ...a 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 button Figure 4 3 Enable Disable Telnet ...

Страница 27: ... option will 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 The menu displays the current Telnet status above the menu options as shown in Figure 4 4 Telnet Setup Users currently connected through Telnet remain connected until their session ends Figure 4 4 Telnet Setup ...

Страница 28: ...tions Select Save changes and exit to save the changes The menu displays the current Web Access status above the menu options 4 1 5 Enable disable SNMP The system allows the administrator to start and stop the SNMP agent Via Web Management To enable disable SNMP via the web interface Click on the Management Control Processor graphic Click on the Network tab To enable SNMP check the Allow SNMP chec...

Страница 29: ...nd Time Via Web Interface To change the system date and time via the web interface Click on the Management Control Processor graphic Click the General Config tab Enter the date and time under the New time date field Click the Save button The system immediately changes the date and time The new time appears next to Current time date Figure 4 5 Date Time Change via Web Management Interface ...

Страница 30: ...ystem s Ethernet port the administrator must assign the RamSan an IP address subnet mask and possibly a gateway The administrator may assign the IP address in one of three ways Static IP DHCP or No Ethernet The default factory setting is DHCP For any questions regarding IP assignment values please consult your network administrator 4 3 1 Configuring Ethernet Settings via Front Panel To setup the E...

Страница 31: ... buttons to scroll up and down through the list Pressing the Menu button returns to the previous menu and pressing the Select button exits the menu system To continue setting up the Ethernet configuration select Set IP Config After selecting Set IP Config you may use the arrow buttons to cycle through Enables you to set a static IP address for the RamSan Sets the IP configuration to DHCP Disables ...

Страница 32: ...rough 9 To select the value use the Select button Then the input prompt moves to the next character position To back up a space press the and button simultaneously Repeat this procedure until you have entered the 4 byte address Press the Menu button at any time to cancel the Static IP assignment After you have finished entering the IP the top line of the front panel changes to Subnet Mask Using th...

Страница 33: ...e front panel display with Restarting Network Upon success the system displays the new IP address on the front panel for 15 seconds or until any button is pressed If the network fails to start check the Ethernet connection and contact your system administrator If the system successfully saved the IP configuration you may simply select the Restart Network option from the Ethernet Setup menu instead...

Страница 34: ...ement Interface To setup the Ethernet via the Web Management Interface Click the Management Control Processor graphic Click the Network tab Configure the Ethernet settings using the fields under Configure Network Click the Save button Figure 4 7 Web Management Ethernet Configuration ...

Страница 35: ...s shown in Figure 4 8 Ethernet Setup To change to IP assignment mode Select IP assignment mode Select the appropriate assignment mode from the submenu If you choose DHCP or Disable Ethernet then select Save changes restart the network and Exit If the administrator sets the IP assignment mode to Static the Change IP address Change subnet mask and Change gateway options appear as shown in Figure 4 9...

Страница 36: ...e RamSan back on after a manual shutdown press the Power button on the power supplies For additional details see Section 2 7 Turning on the System Important TMS recommends backing up the contents of the RamSan to your server or another storage device as a fail safe before performing a Manual Shutdown Via Front Panel Display To shut down the system using the front panel use the arrow buttons to cyc...

Страница 37: ... on the General Info tab Press the Shutdown button Via Text Management To perform a manual shutdown via Text Management Interface From the Telnet Main Menu select Power down system Confirm the power down Once the user confirms the power down the system powers off after completing all writes To resume operation press the Power button to the left of the power supplies For additional details see Sect...

Страница 38: ...he General Config tab Type or paste the license key into the Key field Click the Validate button If the system accepts the license key you will see a pop up window stating License Added and the new feature will be listed with the other installed licenses If the system rejects the license key it will display a pop up window stating Invalid key You must close and then re open your web browser before...

Страница 39: ...the license key it will display a pop up box stating Invalid license entered You must logout and then log back into the text management interface before you can configure any LUNs using the new feature Figure 4 11 Adding licenses using the Text Management Interface 4 6 Saving and Uploading Configuration Options The RamSan allows the administrator to save the system settings including LUN configura...

Страница 40: ...configuration settings via the Web Interface Click on the Management Control Processor graphic Click on the General Config tab Click the Download Settings button The web interface will generate the configuration file and you will be asked where you would like to save the file Figure 4 12 Configuration Settings ...

Страница 41: ... will open a new browser window to facilitate uploading the configuration file Browse for the saved configuration file and click the Submit File button Confirm your system password and click the Upload button Once the file has uploaded click the Done button To complete the file upload enter your password to shutdown the system and click the Shutdown button The changes will not take effect until yo...

Страница 42: ... use the display monitors various aspects of the system The display presents the following information Restore Synchronize Progress During any synchronization or data restore the front panel cycles between the operation progress and estimated time remaining until completion The system displays Restoring Data when restoring data from disk and displays Initializing when starting from a volatile stat...

Страница 43: ... low Temperature warning One disk removed ERROR Indicates that the RamSan has detected a system failure Error statements scroll across the front panel display Possible failure examples Fan failure Power supply failed System overheated More than one disk removed or failed In the case of either system warnings or failures the front panel display alternates between displaying status information and w...

Страница 44: ...rformance bars for each Fibre Channel port The numbers represent the Fibre Channel Controllers If a controller is not installed the number and corresponding performance will not display The top bars represent the port A and the bottom bars represent port B The system stays in Active Monitor Mode for 10 minutes or until the user selects Deactivate Monitor from the front panel main menu Active Monit...

Страница 45: ...ect 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 Display IOPS Once you select one of the above options the display will ask you to Enable Autoblink If you enable autoblink the top LED will blink even with constant bandwidth or IOPS LED Display Display Bandwidth ...

Страница 46: ...onstrates how to make the front panel display start and stop blinking Via Web Interface To make the RamSan front panel blink via web interface Click on the Management Control Processor graphic Click on the General Info tab Click the Identify Device button The RamSan front panel will begin to blink To make the front panel stop blinking press any button on the front panel or click the Identify Devic...

Страница 47: ...rmation about how long the system has been powered on Via Web Interface To view the system uptime via web interface Click on the Management Control Processor graphic Click on the General Info tab The General Info screen displays the Uptime below Firmware version Figure 5 2 System Uptime Status ...

Страница 48: ...ime 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 ...

Страница 49: ...th statistics such as general state information voltages temperatures and fan speeds Via Web Interface Information concerning the disks batteries power supplies and fans are in separate locations through the Web interface Disks Click on the Disks graphic Click on the General Info tab Figure 5 4 Disk Status via Web interface ...

Страница 50: ...RamSan 325 325c User s Manual 46 Batteries Click on the Batteries graphic Click on the General Info tab Figure 5 5 Battery Status via Web interface ...

Страница 51: ...25c User s Manual 47 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 ...

Страница 52: ...RamSan 325 325c User s Manual 48 Power Supplies Click on the Power Supply graphic Click on the General Info tab Figure 5 7 Power Supply Status via Web Interface ...

Страница 53: ...RamSan 325 325c User s Manual 49 Fans Click on the Fans graphic Click on the General Info tab Figure 5 8 Fans Status via Web interface ...

Страница 54: ...ent Interface System Health Status The states are classified as Good Warn and Error Good This states that everything is functioning under normal operating conditions Warn This indicates a potential problem to look into but the problem is not an immediate threat to system stability Error This indicates that the component should be investigated immediately ...

Страница 55: ...ure 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 System Health Details screen Press the Q key to return to the System Health Status screen ...

Страница 56: ...er 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 11 Fibre Channel Controller Status via Web Interface ...

Страница 57: ...San 325 325c User s Manual 53 Via Text Management From the Telnet Main Menu select Health and Status Select View Controller Status Figure 5 12 Fibre Channel Controller Status via Text Management Interface ...

Страница 58: ... Control Processor graphic Click on the Statistics tab Click the radio button next to IOps The graphing tool provides the option to view read write and total IOPS as well as a running average of each of these statistics To decode the colors on the graphical display view the legend below the check boxes Figure 5 13 IOPS Performance Graph via Web Interface Via Text Management From the Telnet Main Me...

Страница 59: ...RamSan 325 325c User s Manual 55 fibre channel controller in the system It also displays a total across all of the FCs present Figure 5 14 IO sec Summary ...

Страница 60: ... the Management Control Processor graphic Click on the Statistics tab Click the radio button next to Bandwidth The graphing tool provides the option to view read write and total bandwidth as well as a running average of each of these statistics To decode the colors on the graphical display see the legend below the check boxes Figure 5 15 Bandwidth Performance Graph via Web Interface ...

Страница 61: ...select Health and Status Select View statistics Select Bandwidth summary The Bandwidth Summary screen displays the bandwidth read r write w and totals t for each fibre channel controller in the system It also displays a total across all of the fibre channel controllers present Figure 5 16 Bandwidth Performance via Text Management Interface ...

Страница 62: ...ck on one of the Fibre Channel graphics or the Management Control Processor graphic Click on the Statistics tab Click the radio button next to KB TX The graphing tool provides the option to view read and write transfer size statistics displayed as kilobytes per transfer command In addition this tool can display an average of each of these statistics To decode the colors on the graphical display se...

Страница 63: ...ment Interface From the Telnet Main Menu select Health and Status 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 in the system Figure 5 18 Transfer Size via Text Management Interface ...

Страница 64: ...ters to further utilize the RamSan Via Web Interface To view the outstanding command queue depth statistics via the web interface Click on one of the Fibre Channel graphics or the Management Control Processor graphic Click on the Statistics tab Click the radio button next to Queue The graphing tool provides the option to view the read and write command queue depth as well as an average of each of ...

Страница 65: ...lth and Status Select View statistics Select Queue Depth summary The Queue Depth Summary screen displays the outstanding command queue depth for read r write w and totals t for each fibre channel controller in the system It also displays a total across all of the fibre channel controllers present Figure 5 20 Queue Depth via Text Management Interface ...

Страница 66: ... 5 3 Logs In the case of a system failure the system stores detailed information about the failure in the system event log This information is invaluable in determining why a component failed and provides a timeline for the system administrator to follow The support log provides a snapshot of the system settings and contains the ECC error log Before contacting Texas Memory Systems please have a co...

Страница 67: ...b Interface To clear the system event log via the web interface Click the Management Control Processor graphic Click the Clear Log button Via Text Management To clear the system event log via Text Management Interface From the Telnet Main Menu select Log Files Select Clear the System Log 5 3 3 Clearing Logged ECC Errors Via Web Interface To clear the error log via the web interface Click the Manag...

Страница 68: ...le remote host logging via the web interface Click the Management Control Processor graphic Click the Network tab Enter the remote logging host name in the text box To disable remote host logging leave the text box blank Click the Save button Via Text Management To enable remote host logging via Text Management Interface From the Telnet Main Menu select Log files Select Set remote logging host Ent...

Страница 69: ...he factory default configuration assumes no access control and equal shares of system memory for each Fibre Channel port For example if you have a 16 Gigabyte system with two Fibre Channel ports each port has access to only half of the system memory Host computers attached to the same network as the RamSan see two eight Gigabyte drives Figure 6 1 RamSan Default LUN Configuration You can change eac...

Страница 70: ...ns that HBAs access using four Fibre Channel ports in the RamSan This demonstration assigns each HBA a unique LUN The example results in the following configuration Figure 6 2 Reconfigured LUN Mapping To change from the default configuration to the one described above perform the following steps Delete the default LUNs see Section 6 8 Add two 6 Gigabyte LUNs see Section 6 2 Add two 2 Gigabyte LUNs...

Страница 71: ... graphic Click on the LUN Config tab Click the New LUN button Select a LUN number from the drop down box Enter the Device ID Adjust the LUN size using the scroll bar Assign links to FC ports see Section 6 4 Linking LUNs to from Fibre Channel Controllers Assign LUN masks see Section 6 7 Managing Access Lists Set backup mode see Section 6 9 Setting Backup Mode Click the OK button The system adds the...

Страница 72: ...dministrator is currently adding To change the number of LUNs to add Select Change number of LUNs to add Enter the number of LUNs to add and press ENTER To change the size of the added LUNs Select Change size of LUNs to add Enter the size of LUNs to add and press ENTER Once you have verified your selections at the top of the screen and are ready to add the selected LUNs Select Add LUNs The system ...

Страница 73: ...e 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 specific fibre channel controller To view the LUNs for the entire system Click on the Management Control Processor graphic Click on the LUN Config tab This screen displays the configuration of all LUNs Figure 6 5 Viewing System LUNs via Web Interface ...

Страница 74: ...o a particular Fibre Channel Controller Click on the Fibre Channel Controller graphic Click on the Available LUNs tab This screen displays the available LUNs for the selected Fibre Channel Controller Figure 6 6 Viewing LUNs Assigned to FC ports via Web Interface ...

Страница 75: ...ey other than Q 6 4 Linking LUNs to from Fibre Channel Controllers To make partitioned LUNs accessible to connected servers the administrator must link the LUNs to the RamSan s Fibre Channel controllers 6 4 1 Via Web Interface To change the links between LUNs and the Fibre Channel controllers via the Web Management Interface Click on the Management Control Processor graphic Click on the LUN Config...

Страница 76: ...o change the port select Select different channel on controller This displays a list of channels Select one and press ENTER In addition the Link Unlink LUN s screen indicates the number of LUNs currently linked to the selected controller To link a LUN to the selected controller select Link LUN s to selected controller From the sub menu that lists all LUN numbers not already linked to another FC po...

Страница 77: ...e Linking Fibre Channel Controllers above Select Unlink LUN s from selected controller A sub menu appears as shown in Figure 6 9 Unlink LUNs Option which provides a list of all LUNs that are linked to this controller To unlink a LUN or all linked LUNs select the LUN and press ENTER Select Exit to the LUN configuration menu To save the changes once you have completed all LUN configuration select Sa...

Страница 78: ...n 6 5 2 Via Text Management From the Telnet Main Menu select LUN Setup Select Modify LUN s Select Select LUN Select the LUN to edit from the sub menu and press ENTER Select Assign different LUN to this LUN A sub menu displays a list of the available LUN numbers Select a LUN number and press ENTER For details see Figure 6 10 Assigning Different LUN Numbers Select Exit to the LUN configuration menu ...

Страница 79: ...nfig tab Select the LUN to edit by clicking on the LUN graphic Click the Modify LUN button Select the size from the LUN Size scroll bar Click the OK button 6 6 2 Via Text Management From the Telnet Main Menu select LUN Setup Select Modify LUN s Select LUN See instructions in Section 6 5 Select Resize LUN Enter the new LUN size in MB and press ENTER Select Exit to the LUN configuration menu To save...

Страница 80: ...g on the LUN graphic Click the Modify LUN button To add a mask enter the New Mask textbox and click the Add Mask button To delete a mask select the mask from the Masks listbox and click the Delete Mask button Click the OK button 6 7 2 Via Text Management Viewing Current Access Lists To get a list of the World Wide Name masks for the selected LUN as shown in Figure 6 11 Current Access Lists follow ...

Страница 81: ...ation select Save changes and exit The system only allows you to enter in hexadecimal numbers 0 F the system ignores any other keyboard input Deleting Access Lists To delete a worldwide port name from a LUN access list From the Telnet Main Menu select LUN Setup Select Modify LUN s Select LUN See instructions in Section 6 5 Select Delete WWN mask from LUN A submenu displays all masks listed Select ...

Страница 82: ...nu select LUN Setup Select Modify LUN s Select LUN See instructions in Section 6 5 Select Set SCSI device identifier Enter a unique device identifier from 1 to 255 and press ENTER Select Exit to the LUN configuration menu To save the changes once you have completed all LUN configuration select Save changes and exit Figure 6 13 Setting SCSI Device Identifier ...

Страница 83: ...low 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 LUN graphic Click the Delete LUN button Figure 6 14 Deleting LUNs via Web Interface ...

Страница 84: ...15 Deleting LUNs Select Exit to the LUN configuration menu Figure 6 15 Deleting LUNs To verify the deletion of the LUN view the LUN Configuration menu for a total number of LUNs To save the changes once you have completed all LUN configuration select Save changes and exit 6 9 Setting Backup Mode The RamSan 325 allows the administrator to set backup modes for each LUN individually Warning TMS does ...

Страница 85: ...p mode the RamSan uses available internal bandwidth i e performance not utilized by the applications to constantly backup memory to the disks The system automatically optimizes this operation to backup the maximum amount of data at any given time without impacting performance This means that at any one time most of the data already resides on disk Upon emergency or shutdown the unit need only fini...

Страница 86: ... the Management Control Processor graphic Click on the LUN Config tab Select the LUN to edit by clicking on the LUN graphic Click the Modify LUN button Click the Initialize button 6 10 2 Via Text Management To initialize a LUN via the Text Management Interface From the Telnet Main Menu select LUN Setup Select Modify LUN s Select LUN See instructions in Section 6 5 Select Initialize LUN Select Exit...

Страница 87: ... and can auto detect the speed When more than one Fibre Channel Controller is installed the controllers can be set to back each other up The following two sections provide additional details 7 1 Changing Fibre Channel Topology and Link Speed Via Web Interface To change the Fibre Channel topology and link speed via the web interface Click on the Fibre Channel Controller graphic Click on the Control...

Страница 88: ...oller s topology from the sub menu and press ENTER To change the link speed Select Change link speed Choose the controller s link speed from the sub menu and press ENTER All modifications are visible at the top of the menu To save any changes Select Save changes and exit Generally selecting auto detect for topology and link speed provides you with the proper settings for your system If the Control...

Страница 89: ...troller to arbitrated loop mode This topology should not affect performance noticeably and some HBAs may only support this mode 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 failure There are five basic FC controller states The following list details what these states mean how a controller can end up i...

Страница 90: ...controller to the secondary controller and activates its links From this state all of the secondary controller s attributes are meaningless and are not updateable until the administrator sets the controller back to Primary Active state Primary Passive Secondary is X The Primary Passive Secondary is X state indicates that the primary controller has experienced a failure however often these failures...

Страница 91: ...errors because the drives appear to have been removed TMS does not recommend configuring an active secondary controller as primary unless no transmissions are taking place Via Web Interface To change the failover state via the web interface Click on the Fibre Channel Controller graphic Click on the Controller Setup tab Select from the Select failover mode settings Click the Save button Figure 7 4 ...

Страница 92: ...troller 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 controller s states In Figure 7 5 the selected controller is 2 and the display indicates that the controller s state is Primary Active Secondary is 3 ...

Страница 93: ...controller in the unlikely situation that a fibre channel controller becomes unresponsive Via Web Interface To change reset a fibre channel controller via the Web Interface Click on the Fibre Channel Controller graphic Click on the Controller Setup tab Click the Hard Reset button Figure 7 6 FC hard reset via Web Interface ...

Страница 94: ...roller Setup tab Click the Clear Stats button Figure 7 7 Clearing FC statistics via Web Interface 7 5 Advanced Fibre Channel Controller Options The RamSan Text Management Interface contains several advanced options that help to diagnose potential issues and configure the fibre channel controllers for non standard environments These features are typically used in coordination with a Texas Memory Sy...

Страница 95: ...re channel login resets This feature allows you to disable the automatic login resets To disable the automatic fibre channel login resets through the Text Management Interface From the Telnet Main Menu select Health and status Select Advanced FC options Select Disable FC login reset 7 5 3 Disable Enable Extra Fibre Channel Logging Certain operating systems including HPUX and AIX frequent fibre cha...

Страница 96: ... see Section 4 1 5 Enable disable SNMP 8 1 1 Setting SNMP community strings The SNMP community string is like a user id or password that allows access to the RamSan s statistics The RamSan sends the community string along with all SNMP requests If the community string is correct the device responds with the requested information If the community string is incorrect the device simply discards the r...

Страница 97: ... i e Pat Smith 713 555 1212 The following sections demonstrate how to change the default SNMP strings Changing these values causes the RamSan to use the new string when sending SNMP messages Via Text Management From the Telnet Main Menu select Management setup Select Configure SNMP Figure 8 1 SNMP Configuration via Text Management Interface The top of this menu displays the current SNMP settings T...

Страница 98: ...ntact Enter the system contact and press ENTER All modifications are visible at the top of the menu To save any changes Select Save changes and exit Via Web Management To update community information via the Web Management Interface Click on the Management Control Processor graphic Click on the SNMP tab Enter the appropriate community values Click the Save button Figure 8 2 SNMP configuration scre...

Страница 99: ...e channel controller state has changed LUN change notification indicates that the LUN table has been changed Fibre Channel configuration change notification indicates that the configuration of a fibre channel controller has changed System message contains additional system details All traps are enabled by default For more details regarding the RamSan s traps see Appendix E SNMP Trap Definitions Yo...

Страница 100: ...s via the Web Management Interface Click on the Management Control Processor graphic Click on the SNMP tab Select the IP address of the trap receiver from the Trap IP list Click the Delete button 8 1 3 Downloading the MIB file The network manager makes virtual connections to the RamSan which returns information to the manager regarding the device s status The agent contains a database known as the...

Страница 101: ...are Occasionally Texas Memory Systems releases new versions of firmware for the RamSan For customers with multiple RamSans the TeraWatch User s Guide demonstrates how to update the firmware of all systems simultaneously Important Before patching your RamSan please review the README file associated with the patch It contains detailed information about the functionality updated system downtime requi...

Страница 102: ...tton to select the patch file Click the Submit File button Figure 9 2 Uploading Patch File via Web Interface The system will ask you to confirm your password Enter the system password into the text field Click the Patch button Figure 9 3 Confirming Password for Updating Firmware ...

Страница 103: ...s in a protective case to minimize the electrical risks for users however it is critical for users to follow the following steps when removing and replacing the power supplies Disconnect the power cord from the power supply Wait 15 seconds Remove the power supply that needs to be replaced from the RamSan chassis by pressing the release switch and pulling squarely on the power supply handle DO NOT ...

Страница 104: ...nchronization Removing disk drives may destroy data on all disks which requires removing and replacing all drives for a complete synchronization with memory If all hard disks fail the system automatically detects this and stays operational however the system remains volatile until all hard drives are functioning properly When the new drives are replaced the system rebuilds the drives from the syst...

Страница 105: ...e healthy Twelve hours after powering the system on it runs a test that exercises the batteries to ensure they are present and able to hold charge There is no risk for data loss during this test because the power supplies back up the batteries The system repeats the test every 30 days after the first test If the system powers off the test cycle starts over The RamSan reports periodic battery test ...

Страница 106: ...exas Memory Systems please have a copy of this log available 10 2 Support Log The support log provides a snapshot of all current configuration settings Before contacting Texas Memory Systems please have a copy of this log available 10 3 System Diagnostics The Text Management Interface includes a set of menus with system diagnostics These diagnostic tools are used in coordination with Texas Memory ...

Страница 107: ... 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 humidity 80 non condensing Power consumption 350 W 11 3 Non operating Environment Temperature 32 150 F 0 65 C Relative Humidity 10 90 non condensing ...

Страница 108: ...RamSan 325 325c User s Manual 104 Appendix A RamSan 325 Series Replacement Parts Figure A 1 MCP 65 Management Control Processor Figure B 2 FC 65 Dual Channel 2 Gigabit Fibre Channel Controller ...

Страница 109: ...RamSan 325 325c User s Manual 105 Figure B 3 Power Supply Module Figure A 5 Memory Blade ...

Страница 110: ...RamSan 325 325c User s Manual 106 Figure A 6 120 Gigabyte Replacement Hard Drive ...

Страница 111: ...ot installed an used in accordance with the instructions may cause harmful interference to radio communications Operation of this equipment in residential area is likely to cause harmful interference in which case the user will be required to correct interference at his own expense A Class A digital device also meets all requirements of the Canadian Interference Causing Equipment Regulations This ...

Страница 112: ... the faulty equipment within ten working days of receipt The customer is responsible for shipping the repaired or replaced equipment back In an emergency special arrangements may be negotiated subject to the availability of TMS resources and components Telephone and Software Support Telephone support is available for a period of five years after purchase during normal TMS business hours Firmware a...

Страница 113: ...nally in the event of a hardware failure customer should call a special 800 number for 24 7 technical support 365 days a year to receive technical assistance from Texas Memory Systems technical support staff Gold Warranty also provides when necessary on site service at the customer location Monday through Friday between the customer location hours of 9 00 a m and 5 00 p m On site service is only a...

Страница 114: ...ty working days of receipt Customer will be charged current list prices for replacement components The customer is responsible for shipping the repaired or replaced equipment back In an emergency special arrangements may be negotiated subject to the availability of TMS resources and components Subject to availability TMS field service personnel will perform troubleshooting of equipment For custome...

Страница 115: ...on use a dumb terminal or a terminal emulation program such as Windows HyperTerminal Set your baud rate to 9600 with 8 data bits 1 stop bit no parity and no flow control To connect to the serial port use the DB 9 non null serial cable supplied with the system Default Account Use the following default account information to access the RamSan through the serial port ssd Login admin Pin Out The RamSa...

Страница 116: ...brief message and sometimes a relevant system state variable The system sends traps to each IP address found in the SNMP trap list configurable through the web and Telnet monitoring tools Trap OIDs and definitions are located in the MIB file which can be obtained through the web monitor Name power on notif Description System has turned on Includes Message System Type Name power off notif Descripti...

Страница 117: ...acceptable levels and should be moved to a warmer environment 3 good The temperature is within specification 4 warnHigh The temperature level has risen above acceptable bounds Fans may need to be serviced or the system may need to be moved into a cooler environment 5 errorHigh The temperature levels have risen dangerously high The system will be shutdown to prevent damage to system components 6 no...

Страница 118: ...t 5 errorHigh Voltage and or current levels are dangerously high the system may be powered off 6 noDevice N A 7 notMonitored Monitoring has been turned off to suppress warnings Name memory state notif Description The memory state has changed Includes Message Memory State 1 notImplemented This indicates there may be an SNMP reporting problem 0 noState N A 1 error N A 2 warn N A 3 good The memory ha...

Страница 119: ... ability to backup data in the event of a power loss 2 warn The batteries may be charging after being used this is expected after power loss Alternatively the battery voltages may be below specification but not dangerously low 3 good The batteries are all operating properly 4 warnHigh Battery voltages or currents are above specification but not dangerously high 5 errorHigh Battery voltages or curr...

Страница 120: ...good All fans are working properly 4 warnHigh One or more fans are spinning too fast The system is in no immediate danger but may need to be serviced 5 errorHigh N A 6 noDevice N A 7 notMonitored Fan monitoring has been turned off to suppress warnings Name disk state notif Description The disk state has changed Includes Message Device Number Disk State 1 notImplemented This indicates there may be ...

Страница 121: ...rking properly 4 warnHigh The FC controller has detected some type of error possibilities include RX errors CRC errors and corrected ECC errors 5 errorHigh The FC controller is not functioning correctly the controller has failed or detected uncorrected ECC errors 6 noDevice N A 7 notMonitored N A Name lun change notif Description The LUN table has changed Includes Message Name fc config change not...

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