Resetting the All Statistics | Galaxy Metal Gear 65 specification

System Status

4.4.1 Resetting the All Statistics

You can reset the following statistics to zero:

•Read

•Write

•SecRd

•SecWt

•I/O Size

Note Resetting statistics here resets all statistics for the Galaxy 65 Subsystem.

You may want to reset the statistics if you are monitoring performance. You may also want to reset statistics when you change how you are using the partition.

Note You cannot reset the queue depth value. It always reflects the current I/O queue depth.

To reset all statistics:

1From SAM, select Monitor Galaxy 65 Subsystem > Statistics > Reset All Statistics. The Reset All Statistics page displays.

2Click Reset Statistics.

The system confirms that you want to make the changes

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Galaxy Metal Gear 65 manual Resetting the All Statistics

Contents

Galaxy 65 User Guide Acknowledgments Contents Operation Managing Disk Drives & Enclosures Troubleshooting and Problem Solving Array Basics Accessing Disk Array Administrator Software Creating and Managing Arrays & Partitions 105 Managing Disk Drives and Enclosures 173 Index 229 Galaxy 65 User Guide Preface International StandardsPotential for Radio Frequency Interference European Regulations Safety Preface Battery Safety Laser SafetyClass 1 Laser Product ESD Precautions Rack System Precautions Data Security Special Tools and EquipmentRelated Documentation Conventions Convention Definition BoldResulting in injury or death Version Date Description of Change Revision History14 amended 10 planned deleted Preface Xvii Galaxy 65 User Guide Xviii Galaxy 65 System Introduction Enclosure Chassis Enclosure Core Product 3Galaxy 65 Enclosure Chassis Rear Tower Option Plug-in Modules Power Supply/Cooling Module Multiple Power Supply/Cooling Modules Ops Panel Indicators and SwitchesOperators Panel Loop Resiliency Circuit Input/Output Module FC-AL Switch Function Recommended Definition Number Setting 7LRC Panel Layout 8Galaxy 65 LRC Storage Manager I/O Module 10Drive Carrier Module Drive Carrier Module Drive Status Indicators Visible and Audible AlarmsDummy Carrier Modules Anti-tamper Locks Galaxy 65 Technical Specification Installing your Galaxy 65 SubsystemDimensions Weight PSU Safety and EMC Compliance Power CordEnvironment Interfaces Drive Carrier Module Specification Galaxy 65 FC-AL LRC I/O Module Specification Software Enclosure Services SES SupportRAID Card Before You Begin Power On Ops Panel LEDs Power Supply/Cooling Module LEDs Over or Under temperature Any PSU fault or Fan faultIntermittent Ops to ESI Communications failed Audible alarm Invalid address mode setting Power Up/Down Starting the DrivesDisk Drives LEDs Galaxy 65 RAID Management Managing Arrays and Partitions Using SAM Viewing Array and Drive Status Information Managing Arrays Viewing Array and Partition Statistics Resetting All Statistics Verifying an Array Click Verify & Update Array ParityStopping the Array Verification Process To stop the array verification process Changing an Array Name Changing Array OwnershipClick Abort Array Verification Click Change Array Name Trusting an Array Select Disk Array Config Trust ArrayDeleting an Array Click Change Options Viewing Partition Status Information Managing PartitionsChanging a Partition Name Click Delete This Array Changing a Partition LUN Click Change Partition NameClick Change Partition LUN Viewing Known WWNs Controlling Partition Access Creating Nicknames for Host WWNs Click Change Host NicknameClick Add New Host Configuring InfoShield Changing the Read-Ahead Cache Size Deleting a Partition Click Set Read Ahead Cache SizeClick Delete Partition Galaxy 65 User Guide Setting Up Remote Notification Monitoring System Status Using SAM Setting Up the Events to be Monitored Setting Up the E-mail AddressesStarting and Stopping Remote Notification Click Change E-mail Info Saving Log Information to a File Displaying Overall Statistics Resetting the All Statistics Galaxy 65 User Guide Configuring the Galaxy 65 System Configuring the Telnet Timeout Configuring the LAN-related SettingsConfiguring the Snmp Settings Click Change LAN Configuration Configuring the System Information Setting PasswordsClick Change System Configuration Configuring the Security Options Changing the Date and Time Understanding LUNs and Viewing LUN InformationClick Change Date/Time Changing Management LUNs Changing the Alarm Mute SettingViewing LUN Information Click Change Management LUN Click Change Configuration Alarm threshold What to do when the alarm sounds Changing the Utility Priority Enabling and Disabling the Battery Rescanning All Ports Pausing I/O Saving a Configuration File Saving and Restoring a Configuration FileRestoring a Configuration File To restore a configuration file Click Continue Click Restore Configuration File Viewing and Restoring Default Settings Viewing Default SettingsRestoring Default Settings Click Proceed with Code Update Updating SoftwareClick Load Software Package File Galaxy 65 User Guide Displaying Disk Drive Information Managing Disk Drives Displaying All Devices Clearing Metadata from a Disk DriveViewing Disk Drive Status Click Clear Metadata from Selected Device Enabling and Disabling Write-back Cache Click Change Disk Option ConfigurationDisplaying Disk Drive Cache Status Enabling and Disabling Smart Changes Taking Down a Disk Drive Blinking a Drive LEDClick Blink Selected Device LED Click Down Selected Drive Setting the EMP LUN Testing a Disk DriveManaging Enclosures Click Test Unit Ready Click Update EMP Configuration Changing the Additional EMP Setting Overview Initial Start-up Problems Ops Panel LEDs Audible Alarm Audible Alarm MuteLED Test Mode System Address Hub Green Cooling Troubleshooting System Faults Power Supply/Cooling FaultsSymptom Cause Action Thermal Control Drive Carrier Module Faults Thermal AlarmState Green Amber Dealing with Hardware Faults Continuous Operation During ReplacementAuto Start Failure Host Fibre Channel Problems Problem SAM pages do not display properlyProblem SAM page help is not displaying Changing the Backoff Percent Using SAM Array ProblemsProblem Array is much smaller than it should be To change the backoff percentage 12.1 Power Supply/Cooling Modules Galaxy 65 Subsystem ProblemsReplacing a Module Removing a PSU Module 2Removing/Inserting a Power Supply/Cooling Module 3Removing a Power Supply/Cooling Module Removing the Module Storage Manager Module 6Removing a Storage Manager Module Insertion/Removal of SFP Modules Battery Replacement 8Storage Manager Module Battery Assembly Location Removal and Replacement Problem Galaxy 65 Subsystem failed the onboard memory test Terminal Emulator and COM Port ProblemsProblem One of the Post diagnostic tests failed Problem Screen continuously puts out garbage characters Problem Screen looks correct, but clock is not being updated Array Critical Event Definition Recommended Action Other WWN SYS Online Fail Errors Setting Up and Viewing the Debug Log Summary of Debug Log CapabilitiesCollecting Debug Logs Configuring Debug Logs Disk Array Administrator on Controller a Utilities MenuDisk Array Administrator on Controller B Utilities Menu Using SAM to Set Up and View the Debug Log Using the Loader Diagnostics MenuUsing the Disk Array Administrator to Set Up Debug Logging To set up debug logging Understanding Disk-related Errors Using the Loader Utility MenuDisk Errors Sense Key Description Disk Channel Errors Error Code DescriptionDescriptions Slow Write Performance Voltage and Temperature Errors and Warnings Upgrading Your LRC I/O Modules Spare Parts and Ancillary Items Switch Function Recommended Definition Number Setting Application RAID level Array Basics RAID 0 Striped Disks Array TypesRAID 1, RAID 10 Mirrored Disks RAID Volume Sets RAID Level Min No. Drives Description Strengths Weaknesses Comparing RAID Levels Array Basics Galaxy 65 User Guide Accessing Disk Array Administrator Software Setting Value SettingValue Accessing DAM Using the Ethernet Port for the First Time Accessing the Disk Array Software Using the Ethernet Port 100 Navigating the Disk Array Administrator Software Do thisPress Esc, CTRL-Z, or ← Select Function Changing the Screen Display System Menu Disk Array Administrator Menu Tree 2Menu Tree sheet RAID level Minimum Maximum Number Drives Creating Arrays To create a single-partition array Creating a Single-Partition Array 107 See , Array Basics, on page 89, for more information 109 110 To create a multiple-partition array Creating a Multiple-Partition Array 112 113 114 115 116 Viewing Array and Drive Status Information Viewing Array StatusTo view the status of an array Select Array Status and press Enter To view drive status Viewing Drive Status Select Drive Status and press Enter Stopping the Array Initialization ProcessTo stop the array initialization process Select Abort Initialization and press Enter Adding a Partition To add a partitionSelect Add a Partition and press Enter Galaxy 65 User Guide 123 124 Viewing Verification Status Stopping the VerificationTo view verification status Reconstructing an Array Expanding Array CapacityTo stop the verification process Number of drives RAID level Number of drives you can addTo expand an array Select Expand Function and press Enter 128 Viewing Expand Status To view expand statusTo change an array name Select Switch Array Owner and press Enter To change array ownershipTo trust an array To delete an array 132 Partition 1 Free space Understanding Partitions Viewing Partition Status From the Array Menu From the All Partitions Menu To view the status of a partitionPartitions Menu and press Enter Enter Viewing Partition Statistics To view the partition statistics Resetting Partition Statistics Expanding a Partition To reset partition statistics To expand a partition To change a partition LUN To change the read-ahead size Enabling or Disabling Write-back Cache To enable or disable write-back cache To view known WWNs 5InfoShield example Select Display Host List and press Enter Select General InfoShield and press Enter To create or change nicknames for WWNs 148 To set up InfoShield Changing All Partitions to Include All Hosts To delete a partition Galaxy 65 User Guide 152 Introduction Monitoring System Status Viewing the Most Recent Event Displaying the Event Log Viewing One Event at a Time To view one event at a timeSelect View Event Log and press Enter To view a whole screen of events Viewing a Whole Screen of Events To capture the event log file Capturing the Event Log To display module status information Displaying Module Status Information Group Field What displays Displaying Hardware Configuration Information Disk To display hardware information only EMP To display hardware and configuration information 163 Select Dump Debug Info and press Enter Displaying Drive Errors Resetting Error Statistics To display drive errors Resetting Overall Statistics To access the overall array statisticsTo access the read/write histogram Managing Spares Adding a Dedicated Spare Managing Dedicated SparesDeleting a Dedicated Spare To add a dedicated spare Enabling Dynamic Spares To enable dynamic spares Managing the Spare Pool Adding a Spare to the Spare Pool Deleting a Spare from the Spare PoolDisplaying the Spare Pool Galaxy 65 User Guide 172 Displaying Drive Information Managing Disk Drives and Enclosures Displaying All Drives To display all drives 176 Displaying Drive Errors and Resetting Error Statistics Clearing Metadata from a DriveTo clear metadata from a drive To change the write-back cache setting To display disk cache status Displaying Disk Cache Status 180 To enable or disable Smart changes Taking Down a Drive To blink a drive LED from the Drive Utilities MenuTo take down a drive To test a drive Testing a Drive To change the EMP LUN 185 Select the option or number you want to use To change the EMP settings Galaxy 65 User Guide 188 Configuring the Galaxy 65 Subsystem Shutting Down and Restarting the Storage Manager Module Shutting Down and Restarting the Current SM ModuleTo shut down and restart the current SM Select Shutdown/Restart and press Enter Shutting Down the Other SM Module Other Controller Menu Shutting Down Both SM Modules 193 To set an SM module’s time Host channel Description Setting Configuring the Host Channels Target ID To configure the host channels To view LUN information 198 Configuring the FC Disk Channels To configure the FC disk channels 201 VCC voltage Galaxy 65 CPU temperature Voltage Same as above for the VCC voltage To enable or disable the alarm To lock the cache setting Locking the Cache Setting To change the battery setting Select Utility Priority and press Enter To change the utility priority To rescan all channels Rescanning All Channels To pause I/O To restore the default settings Restoring Default Settings Updating the SM, SM Loader and Memory Controller Firmware Updating Firmware Updating LAN Firmware To upgrade the LAN Subsystem’s firmware Configuring the SM for TCP/IP LAN Configuration Configuring the LAN Settings Configuring the IP SettingsTo set the IP address, subnet mask, or gateway Configuring the FTP Settings Configuring the Telnet SettingsTo set the FTP settings To set the Snmp settings To set the Telnet settings To set the contact settings Configuring the Contact Settings To set the Http settings Configuring the Http Settings To reset the LAN Subsystem Resetting the LAN SubsystemSelect Reset LAN Subsystem and press Enter To change any of the security options Galaxy 65 User Guide 220 Glossary 222 223 224 Glossary Small form-factor pluggable SFP Type of connector 227 Galaxy 65 User Guide 228 Index 164 Partitions 31 Disk drives ESD Http LED Number of Drives screen 108 Setting up for SAM 218 SAM 171 Defined 167 Deleting dedicated 168 Deleting pool Stopping the process