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Chaparral G5312/G7313, K5312/K7313 manual Enabling Dynamic Spares, Deleting a Dedicated Spare

Models: K5312/K7313 G5312/G7313

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Managing Spares

Deleting a Dedicated Spare

You can delete a dedicated spare drive from an array at any time.

To delete a dedicated spare drive:

1From the System Menu, select Array Menu and press Enter. The Select Array screen displays with a list of existing arrays.

2Select the array you want and press Enter. The Array Menu screen displays.

3Select Delete Spare and press Enter.

4Select the spare drive you want to delete and press Enter. The system confirms the deletion.

5Select Yes and press Enter to delete the spare.

The drive is now available for use in an array or as a spare.

Enabling Dynamic Spares

The Dynamic Spares option lets you use all of your disk drives in redundant arrays, without assigning one as a spare. For example, if you enable Dynamic Spares and a drive fails, you can replace the drive and the controller will rescan the bus, find the new disk drive, and automatically start reconstruction of the array. The controller automatically finds the new drive and reconstructs the array.

With Dynamic Spares enabled, if you have spares or available drives, the controller first looks for a dedicated or spare pool drive for the reconstruction. If none is found, it uses an available drive, which the controller automatically assigns as a spare and starts reconstruction.

You must make sure that the new or available drive has enough capacity to replace the smallest member in the array and does not contain metadata (see Clearing Metadata from a Drive on page 8-4).

Note: Performance in systems without a SAF-TE Enclosure Processor (SEP) will decrease if an array becomes critical with this option enabled and there are no available drives to start a reconstruct. To minimize the performance impact, increase the rescan rate as described in the steps below.

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Chaparral G5312/G7313, K5312/K7313 Enabling Dynamic Spares, Deleting a Dedicated Spare, To delete a dedicated spare drive

Contents

User’s Guide Page Technical Support CopyrightTrademarks ChangesCanadian Compliance Statement Contents Hardware Installation Monitoring System Status Managing Disk Drives and Enclosures Glossary K-Series User’s Guide Viii About This Guide IntroductionMotherboard Ultra2 Scsi Channels G-Series Product FeaturesConventions Motherboard CPU Subsystem G-SeriesBattery Interface G-Series Hardware Configuration and Management Support G-SeriesMotherboard Disk Cache G-Series Motherboard Ultra2 Scsi Channels K-Series Onboard Connectors G-SeriesDaughterboard G-Series Motherboard CPU Subsystem K-SeriesMotherboard Disk Cache K-Series Integrated Battery Backup and Interface K-SeriesFibre Channel Connection K-Series Fibre Channel FeaturesHardware Configuration and Management Support K-Series Onboard Connectors K-SeriesElectrical G-Series SpecificationsSpecifications Physical 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 Reference Documents External DocumentsChaparral Documents K-Series User’s Guide Connecting to the Fibre Channel Port Hardware InstallationConnecting the Controller Connecting to the Scsi 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 SoftwareDisk 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 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 StatusStopping the Array Initialization Process To stop 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 LUNChanging the Array Name Trusting an ArrayTo 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 timeTo capture the event log file Viewing a Whole Screen of EventsCapturing the Event Log File To display a whole screen of eventsGroup 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 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 Rebooting the Controller Configuring 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 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 Creating Names Aliases for Server WWNs To create or change names for 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 Rescanning All Channels To change Utility prioritySelect Utility Priority and press Enter To rescan all channels Pausing I/OTo pause I/O Restoring Default SettingsUpgrading the Controller’s Firmware To restore the default settingsSelect Restore Defaults and press Enter Upgrading 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 DriveTo change the write-back cache setting Enabling and Disabling Write-back CacheTo 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 DriveTesting a Drive Managing SAF-TE EnclosuresTo 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 Chaparral Technical Support TroubleshootingTerminal Emulator and COM Port Problems Problem Screen continuously puts out garbage charactersArray 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 Problems During Bootup Device Scsi Channel ProblemsProblem The system hangs at CTsrv starting Controller ProblemsProblem Controller failed the onboard memory test Problem One of the Post diagnostic test failedProblem The controller reports a Battery error Problem The controller reports a Sdram memory errorCritical Event Definition Recommended ActionWarn ErrorsDisk Errors Using the Loader Diagnostics MenuUsing the Loader Utility Menu Understanding Scsi ErrorsDescriptions Sense Key DescriptionDisk Channel Errors Error Code Description Voltage and Temperature Errors and Warnings K-Series User’s Guide Array Basics Array TypesRAID 0 Striped Disks RAID RAID 1, RAID 1/O Mirrored DisksArray 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