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Chaparral K5312/K7313, G5312/G7313 manual Understanding LUNs

Models: K5312/K7313 G5312/G7313

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G- and K-Series User’s Guide

3Select Set Time and press Enter. The Set Time screen displays.

4Enter the time you want and press Enter.

Enter the time in the following format: hh:mm:ss.

The system confirms that you want to make the change.

5Select Yes and press Enter to make the changes. The system confirms that the changes are made.

6Press Esc to return to the Configuration Menu.

Changing the Controller’s LUN and SCSI Target ID or Fibre Channel Loop ID

You can change the SCSI target ID or the Fibre Channel Loop ID and the LUN that the controller uses on the host bus.

Understanding LUNs

The RAID controller supports up to eight SCSI Logical Unit Numbers (LUNs) that are numbered zero through seven. There are three different types of LUNs: controller, SEP, and Array. These LUNs have the following characteristics:

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Chaparral K5312/K7313, G5312/G7313 manual Understanding LUNs

Contents

User’s Guide Page Copyright TrademarksChanges Technical SupportCanadian Compliance Statement Contents Hardware Installation Monitoring System Status Managing Disk Drives and Enclosures Glossary K-Series User’s Guide Viii Introduction About This GuideProduct Features ConventionsMotherboard CPU Subsystem G-Series Motherboard Ultra2 Scsi Channels G-SeriesBattery Interface G-Series Hardware Configuration and Management Support G-SeriesMotherboard Disk Cache G-Series Onboard Connectors G-Series Daughterboard G-SeriesMotherboard CPU Subsystem K-Series Motherboard Ultra2 Scsi Channels K-SeriesIntegrated Battery Backup and Interface K-Series Motherboard Disk Cache K-SeriesFibre Channel Features Hardware Configuration and Management Support K-SeriesOnboard Connectors K-Series Fibre Channel Connection K-SeriesSpecifications SpecificationsPhysical G-Series Electrical G-Series3shows the environmental specifications of the controllers Environmental G-SeriesBattery G-Series Physical K-Series Electrical K-Series7shows the environmental specifications of the controllers Environmental K-SeriesBattery K-Series Reference Documents External DocumentsChaparral Documents K-Series User’s Guide Hardware Installation Connecting the ControllerConnecting to the Scsi Port Connecting to the Fibre Channel PortConnecting to the RS-232 Port To connect to the Fibre Channel portTo connect to the RS-232 port K-Series User’s Guide Accessing the Disk Array Administrator Software Setting ValueSettingValue Navigating the Disk Array Administrator Software Do thisDisk Array Administrator Menu Tree Changing the Screen DisplaySelect Function Menu tree K-Series User’s Guide Creating and Managing Arrays Creating 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 Managing Arrays Viewing Array StatusTo view the status of an array Viewing Array Statistics To view the array statisticsCreating and Managing Arrays Resetting Array Statistics To reset array statisticsViewing Drive Status To view drive statusStopping the Array Initialization Process To stop the array initialization processSelect Abort Initialization and press Enter Verifying an Array To verify an arrayViewing Verification Status To view verification statusReconstructing an Array To stop the verification processExpanding Array Capacity RAID Level Number of Drives You Can AddTo expand an array Viewing Expand Status To view expand statusChanging the Array LUN To change the array LUNChanging the Array Name Trusting an ArrayTo change the array name To trust an array Deleting an Array To delete an arrayMonitoring System Status Displaying the Event LogViewing the Most Recent Event Viewing One Event at a TimeTo display one event at a time Select View Event Log and press EnterViewing a Whole Screen of Events Capturing the Event Log FileTo display a whole screen of events To capture the event log fileDisplaying Hardware and Configuration Information Group Field What displaysLUN Capi To display hardware information only SEPPress 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 Resetting Overall Statistics To reset overall statisticsManaging Spares Managing Dedicated SparesAdding a Dedicated Spare To add a dedicated spareEnabling Dynamic Spares Deleting a Dedicated SpareTo delete a dedicated spare drive To enable dynamic spares Managing the Spare Pool Adding a Spare to the Spare PoolTo add a pool spare Deleting a Spare from the Spare Pool To delete a spare from the spare poolSelect Delete Pool Spare and press Enter Displaying the Spare Pool To display the spare poolSelect Display Pool Spares and press Enter K-Series User’s Guide Configuring the Controller Rebooting the ControllerChanging the Date and Time To shut down and restart the controllerTo set the controller’s date To set the controller’s time Understanding LUNs Configuring the Controller Changing the Controller’s Target ID and LUN To change the controller’s target ID and LUN Do thisKeep the same Loop ID for the channel at all times Configuring the Scsi Channels To configure the channelK-Series User’s Guide Working with LUN Zoning 1shows an example of how you can use LUN zoningViewing Known WWNs To view known WWNsSelect Display Host List and press Enter Creating Names Aliases for Server WWNs To create or change names for WWNsSelect Add or Name Host and press Enter Configuring LUN Zoning To set up LUN zoningK-Series User’s Guide Changing the Sample Rate To change the sample rateChanging the Alarm Mute Setting Alarm threshold What to do when the alarm soundsTo enable or disable the alarm SoftwareLocking the Cache Setting To lock the cache settingEnabling and Disabling the Battery To change the battery settingChanging the Utility Priority Rescanning All Channels To change Utility prioritySelect Utility Priority and press Enter Pausing I/O To rescan all channelsRestoring Default Settings To pause I/OTo restore the default settings Select Restore Defaults and press EnterUpgrading Firmware Upgrading the Controller’s FirmwareTo upgrade the controller’s firmware See Chaparral Technical Support onK-Series User’s Guide Managing Disk Drives and Enclosures Managing Disk DrivesDisplaying Drive Information Displaying All DrivesTo display all drives Clearing Metadata from a Drive To view drive statusTo change the write-back cache setting Enabling and Disabling Write-back CacheTo clear metadata from a drive K-Series User’s Guide Displaying Disk Cache Status To display disk cache statusTo enable or disable Smart changes Enabling and Disabling Smart ChangesBlinking a Drive LED To blink a driveTaking Down a Drive To take down a driveTesting a Drive Managing SAF-TE EnclosuresTo test a drive Changing the SEP LUN To change the SEP LUNDo this Changing the Additional SEP Settings To change the SEP settingsManaging Disk Drives and Enclosures K-Series User’s Guide Troubleshooting Terminal Emulator and COM Port ProblemsProblem Screen continuously puts out garbage characters Chaparral Technical SupportArray Problems Problem Screen is updated, but won’t respond to keystrokesProblem Array is much smaller than it should be Host Scsi Channel Problems Problem The host Scsi Bios scan hangsTo change the backoff percentage Device Scsi Channel Problems Problems During BootupController Problems Problem Controller failed the onboard memory testProblem One of the Post diagnostic test failed Problem The system hangs at CTsrv startingProblem The controller reports a Sdram memory error Problem The controller reports a Battery errorEvent Definition Recommended Action CriticalErrors WarnUsing the Loader Diagnostics Menu Using the Loader Utility MenuUnderstanding Scsi Errors Disk ErrorsSense Key Description DescriptionsDisk Channel Errors Error Code Description Voltage and Temperature Errors and Warnings K-Series User’s Guide Array Basics Array TypesRAID 0 Striped Disks RAID 1, RAID 1/O Mirrored Disks RAIDArray Basics Volume Sets Comparing RAID LevelsMin 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