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Chaparral G5312/G7313, K5312/K7313 manual Configuring the Controller

Models: K5312/K7313 G5312/G7313

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Configuring the Controller

✁Controller LUN—You only need to assign a controller LUN if you are using the Configuration Application Program Interface (CAPI) to configure the controller over a host channel via SCSI protocol extensions. If you are not using CAPI, you can set the controller LUN to NONE. If you are using CAPI, you can set it to a value of 0-7 or SOFT. If set to SOFT, the controller LUN is automatically assigned a LUN value when the controller boots. The soft LUN value will be assigned to the first available LUN (starting from zero) that does not already have a hard (that is, a numeric) LUN assignment.

Note: Most Unix, Linux, and Macintosh operating systems require the controller LUN to be a higher value than all array LUNs. Before creating your first array, change the controller LUN to a higher value or choose NONE (best choice) if you are not using CAPI to manage the arrays. This allows your first array to be seen at LUN 0.

✁SEP LUNs—Allow access to SEPs. A SEP LUN may be set to a value of 0-7, SOFT (see the controller LUN description for the meaning of SOFT), or NONE. NONE means that the SEP cannot be accessed via a LUN. Note that if both a controller LUN and a SEP LUN are set to SOFT, the controller LUN will be assigned a value first. For information about changing the SEP LUN, see Changing the SEP LUN on page 8-12.

✁Array LUNs—Allow access to arrays on the controller. Array LUNs may be set any numeric value from 0-7. They may not be set to a SOFT value. Note that an array LUN value may be set to overlap a SOFT controller LUN value. In this case, the controller will keep the numeric value of the overlapped LUN (and the array will not be visible) until you reboot, after which the array will take the LUN, and the controller LUN will change to first available SOFT LUN value. For information about changing the array LUN, see Changing the Array LUN on page 4-21.

Note: Because a maximum of eight LUNs are supported, if eight arrays are required, the controller and SEP LUNs will not be accessible, and must be set to SOFT or NONE.

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Chaparral G5312/G7313, K5312/K7313 manual Configuring the Controller

Contents

User’s Guide Page Trademarks CopyrightChanges Technical SupportCanadian Compliance Statement Contents Hardware Installation Monitoring System Status Managing Disk Drives and Enclosures Glossary K-Series User’s Guide Viii About This Guide IntroductionConventions Product FeaturesMotherboard CPU Subsystem G-Series Motherboard Ultra2 Scsi Channels G-SeriesHardware Configuration and Management Support G-Series Battery Interface G-SeriesMotherboard Disk Cache G-Series Daughterboard G-Series Onboard Connectors G-SeriesMotherboard CPU Subsystem K-Series Motherboard Ultra2 Scsi Channels K-SeriesMotherboard Disk Cache K-Series Integrated Battery Backup and Interface K-SeriesHardware Configuration and Management Support K-Series Fibre Channel FeaturesOnboard Connectors K-Series Fibre Channel Connection K-SeriesSpecifications SpecificationsPhysical G-Series Electrical G-SeriesEnvironmental G-Series 3shows the environmental specifications of the controllersBattery G-Series Electrical K-Series Physical K-SeriesEnvironmental K-Series 7shows the environmental specifications of the controllersBattery K-Series External Documents Reference DocumentsChaparral Documents K-Series User’s Guide Connecting the Controller Hardware InstallationConnecting to the Scsi Port Connecting to the Fibre Channel PortTo connect to the Fibre Channel port Connecting to the RS-232 PortTo connect to the RS-232 port K-Series User’s Guide Setting Value Accessing the Disk Array Administrator SoftwareSettingValue Do this Navigating the Disk Array Administrator SoftwareChanging the Screen Display Disk Array Administrator Menu TreeSelect Function Menu tree K-Series User’s Guide Creating Arrays Creating and Managing ArraysMinimum Maximum RAID Level No. Drives To create an array Creating and Managing Arrays RAID Type screen displays Scsi ID K-Series User’s Guide Creating and Managing Arrays Viewing Array Status Managing ArraysTo view the status of an array To view the array statistics Viewing Array StatisticsCreating and Managing Arrays To reset array statistics Resetting Array StatisticsTo view drive status Viewing Drive StatusTo stop the array initialization process Stopping the Array Initialization ProcessSelect Abort Initialization and press Enter To verify an array Verifying an ArrayTo view verification status Viewing Verification StatusTo stop the verification process Reconstructing an ArrayRAID Level Number of Drives You Can Add Expanding Array CapacityTo expand an array To view expand status Viewing Expand StatusTo change the array LUN Changing the Array LUNTrusting an Array Changing the Array NameTo change the array name To trust an array To delete an array Deleting an ArrayDisplaying the Event Log Monitoring System StatusViewing One Event at a Time Viewing the Most Recent EventSelect View Event Log and press Enter To display one event at a timeCapturing the Event Log File Viewing a Whole Screen of EventsTo display a whole screen of events To capture the event log fileGroup Field What displays Displaying Hardware and Configuration InformationLUN Capi SEP To display hardware information onlyPress Esc to return to the Utilities Menu To display hardware and configuration information Displaying Overall Statistics To access the general array statistics To access the read/write histogram To reset overall statistics Resetting Overall StatisticsManaging Dedicated Spares Managing SparesTo add a dedicated spare Adding a Dedicated SpareDeleting a Dedicated Spare Enabling Dynamic SparesTo delete a dedicated spare drive To enable dynamic spares Adding a Spare to the Spare Pool Managing the Spare PoolTo add a pool spare To delete a spare from the spare pool Deleting a Spare from the Spare PoolSelect Delete Pool Spare and press Enter To display the spare pool Displaying the Spare PoolSelect Display Pool Spares and press Enter K-Series User’s Guide Rebooting the Controller Configuring the ControllerTo shut down and restart the controller Changing the Date and TimeTo set the controller’s date To set the controller’s time Understanding LUNs Configuring the Controller Changing the Controller’s Target ID and LUN Do this To change the controller’s target ID and LUNKeep the same Loop ID for the channel at all times To configure the channel Configuring the Scsi ChannelsK-Series User’s Guide 1shows an example of how you can use LUN zoning Working with LUN ZoningTo view known WWNs Viewing Known WWNsSelect Display Host List and press Enter To create or change names for WWNs Creating Names Aliases for Server WWNsSelect Add or Name Host and press Enter To set up LUN zoning Configuring LUN ZoningK-Series User’s Guide To change the sample rate Changing the Sample RateAlarm threshold What to do when the alarm sounds Changing the Alarm Mute SettingSoftware To enable or disable the alarmTo lock the cache setting Locking the Cache SettingTo change the battery setting Enabling and Disabling the BatteryChanging the Utility Priority To change Utility priority Rescanning All ChannelsSelect Utility Priority and press Enter To rescan all channels Pausing I/OTo pause I/O Restoring Default SettingsSelect Restore Defaults and press Enter To restore the default settingsUpgrading Firmware Upgrading the Controller’s FirmwareSee Chaparral Technical Support on To upgrade the controller’s firmwareK-Series User’s Guide Managing Disk Drives Managing Disk Drives and EnclosuresDisplaying All Drives Displaying Drive InformationTo display all drives To view drive status Clearing Metadata from a DriveEnabling and Disabling Write-back Cache To change the write-back cache settingTo clear metadata from a drive K-Series User’s Guide To display disk cache status Displaying Disk Cache StatusEnabling and Disabling Smart Changes To enable or disable Smart changesTo blink a drive Blinking a Drive LEDTo take down a drive Taking Down a DriveManaging SAF-TE Enclosures Testing a DriveTo test a drive To change the SEP LUN Changing the SEP LUNDo this To change the SEP settings Changing the Additional SEP SettingsManaging Disk Drives and Enclosures K-Series User’s Guide Terminal Emulator and COM Port Problems TroubleshootingProblem Screen continuously puts out garbage characters Chaparral Technical SupportProblem Screen is updated, but won’t respond to keystrokes Array ProblemsProblem Array is much smaller than it should be Problem The host Scsi Bios scan hangs Host Scsi Channel ProblemsTo change the backoff percentage Problems During Bootup Device Scsi Channel ProblemsProblem Controller failed the onboard memory test Controller ProblemsProblem One of the Post diagnostic test failed Problem The system hangs at CTsrv startingProblem The controller reports a Battery error Problem The controller reports a Sdram memory errorCritical Event Definition Recommended ActionWarn ErrorsUsing the Loader Utility Menu Using the Loader Diagnostics MenuUnderstanding Scsi Errors Disk ErrorsDescriptions Sense Key DescriptionDisk Channel Errors Error Code Description Voltage and Temperature Errors and Warnings K-Series User’s Guide Array Types Array BasicsRAID 0 Striped Disks RAID RAID 1, RAID 1/O Mirrored DisksArray Basics Comparing RAID Levels Volume SetsMin No Description Strengths Weaknesses Level Drives RAID 3 RAID Mixing Disks on Different RAID Controller Channels Glossary K-Series User’s Guide Glossary K-Series User’s Guide Glossary K-Series User’s Guide Index K-Series User’s Guide Index K-Series User’s Guide Index Scsi ID Index K-Series User’s Guide