ATTO Technology S-Class Accessing the Array, Command Line Interface, Atto ExpressNAV, RS-232 port

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5.0 Accessing the Array

Communicate with the Diamond Storage Array through the Fibre Channel link, the RS-232 port or the Ethernet port using Command Line Interface commands.

You may configure and tune the Diamond Storage Array for different environments and applications, update the firmware, monitor internal power and temperature status, report on hardware diagnostics and log failures.

Three avenues are available

•In-band SCSI over Fibre Channel and over SCSI

•RS-232 port

•Telnet and SNMP over Ethernet

The rest of this manual describes how to access the array and use the Command Line Interface or the ExpressNAV interface.

Command Line Interface

The Command Line Interface provides access to the array through ASCII command lines.

An initial display, after powering up the unit or restarting the firmware, will contain the information in Exhibit 5.0-1.Once the initial display is complete, with the word Ready, you are in the Command Line Interface mode.

Type Help to display a list of all commands available.

ATTO ExpressNAV

ATTO ExpressNAV is an integrated configuration tool accessible through an Ethernet connection. Platform independent, ExpressNAV contains all the current capabilities of the CLI in a user- friendly GUI console. A menu on each page provides access to information and configuration operations.

Refer to ATTO ExpressNAV: Browser-based Interface on page 25 for more information.

In-band SCSI over Fibre Channel In-band SCSI commands (Write Buffer and Read Buffer) may be issued to the array Fibre Channel port to manage configuration via two mechanisms

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•In-band CLI over SCSI, where ASCII CLI commands, may be issued via Write Buffer. All CLI commands except Zmodem are supported.

•ID/value, where the application program uses a SCSI CDB (command descriptor block) to select the buffer ID of the configuration parameters to be affected, and the new value of the parameter. Most configuration options are available.

RS-232 port

The array provides remote service operations over the RS-232 serial port using standard terminal emulation software available with most systems.

You will need to set the following serial parameters in your terminal program

•Bits per second: 115200

•Data Bits: 8

•Parity: None

•Stop Bits: 1

•Flow Control: None.

•Terminal type: ASCII

•Echo: on

Ethernet port

The 10/100 BaseT Ethernet port provides Telnet- or SNMP-based monitoring and management.

The default IP address is 10.0.0.1; the default subnet mask is 255.255.255.0. These parameters can be changed using the RS-232 port or Telnet. The array should first be configured for the network using the RS-232 port to establish the correct IP address.

SNMP, or Simple Network Management Protocol, is an application layer protocol that allows network devices to exchange management information. Through a combination of standard and custom MIBs (Management Information Base), the array provides status and error indications to an SNMP server, allowing the array to be managed with other devices in a complex

ATTO Technology Inc. Diamond Storage Array Installation and Operation Manual

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Contents Diamond Storage Array Class Page Page Contents In-band CLI Over the Fibre Channel Serial Port Configuration Commands Configuring Drives RAID Interleave Parameters Appendix D Specifications Vii Appendix E Warranty ViiiPreface Atto Technology, IncPage Diamond Storage Array features Diamond Storage Array Product OverviewFibre Channel model Scsi modelAdxt Powers ATA to New Levels Diamond Storage Array Technical OverviewATA Interface Engine AIE The interface to each Installation Instructions Physical setupSet up the Ethernet connection Connect to EthernetSet up RAID configuration Floor model ComponentsRack mount Components Physical Set Up Spaced rail pairs in some rackmount cabinetsRack mount cabinets with stationary shelf or tray Sliding shelf or tray type systems should neverGeneral instructions Autoconfiguration Connecting a Fibre Channel ArrayManual configuration Fibre Channel connections Connecting a Scsi Array To connect a Scsi arrayBus speed, MB/sec Bus width Max. bus lengths Max. device BitsScsi connections Determining Drive and Sled Designations Physical numberingLogical numbering Numbering conventionsExamples Unique serial number for each LUNRAID Level 10 QuickRAID10 The QuickRAID10 RAID Level 5 QuickRAID5 with a fullyAccessing the Array Command Line InterfaceAtto ExpressNAV RS-232 portSnmp Details In-band CLI Over the Fibre ChannelInitiator Host Diamond Array Invalidparameterincdb will be returned Initiator/Host Diamond Storage ArraySerial Port Access Serial port access Ethernet Access Telnet and Snmp Protocols To connect to the Ethernet portTo use Telnet To use SnmpType SaveConfiguration restart to reboot the array Traps are generated for the following situationsAtto ExpressNAV Browser-based Interface Browser compatibilityOpening an ExpressNAV session Navigating ExpressNAVInformation Sidebar ExpressNAV Pages Configuration Clear DataLogical Units RebuildCommand Line Interface Use and Guidance Command Line Interface actions and responsesPage Summary of CLI Commands Command Defaults ExampleCommand Defaults Example General Use Commands General CLI commands Ethernet Commands TelnetTimeout TelnetPasswordTelnetUsername Fibre Channel Configuration Commands FcPortInfo FcPortListFcPortName FcWWNameSerial Port Configuration Commands SerialPortBaudRateSerialPortHandshake SerialPortEchoSerial port CLI commands Diagnostic Commands SledFaultLED TemperatureSMARTData VirtualDriveInfoMaintenance Commands FcScsiBusyStatusMaxEnclTempAlrm MinEnclTempAlrmMaintenance CLI commands Drive Configuration Commands DriveWipe IdeTransferRateLUNState QuickRAID0RestoreModePages RAID5ClearDataRAID5ClearDataStatus RAIDInterleaveExamples, refer to Information Commands Results on Jbod Just a Bunch of Disks Configuring DrivesRAID Level Hot Spare sleds InterleaveEnhancing performance To set up the Jbod configuration JbodJbod RAID Level Sled-based versus disk-basedTo remove RAID Level 0 groups LUNs virtual drive numbersPage Page To set up RAID Level 1 groups Type SaveConfigurationType SaveConfiguration Storage Management To remove RAID groupsTo set up RAID Level 1 with Hot Spare sleds Type set QuickRAID 1To set up RAID Level 5 groups Configuring a fully-populated arrayTo set up one RAID Level 5 group with one Hot Spare sled To set up two RAID Level 5 groups with two Hot Spare sleds Type set QuickRAID5 1 Type SaveConfiguration RestartType set QuickRAID5 2 Type SaveConfiguration Restart LUN Type set QuickRAID5 ALL Type SaveConfiguration Restart Removing RAID groupsTo set up RAID Level 10 groups Type set QuickRAID10 0 1 2To set up RAID Level 10 with Hot Spare sleds Type set QuickRAID10 1 Type SaveConfiguration RestartRebuilding RAID Configurations Set AutoRebuild disabled saveconfiguration restart To synchronize mirrored drives manuallyRAID Interleave Parameters To change the RAID Interleave parameterRAID interleave Hardware Maintenance Maintenance Hot Swap Operating Instructions Disk drivesTo replace a blower assembly Power suppliesBlower assemblies Type set QuickRAID1 Type SaveConfiguration Restart Optional Hot Spare SledTo set up two RAID Level 5 groups with Hot Spare sleds Virtual Drive Hot Spare sledsProcedure Copying DrivesCopy drives Updating firmware using the RS-232 serial port Updating FirmwareCd c\diamond\flash Type put ....imaSystem Monitoring and Reporting Power supply monitoring System fault LED and error codesNumber of blinks Windows 2000 special instructions Error messages TroubleshootingCommand Line Interface messages Specific situations and suggestions If LUNs do not display on the host Type FirmwareRestartResetting Defaults DefaultFactory Default To return to Default settingsCommand Default Reset if default Reset during Chosen Feature Fibre ChannelAppendix B Information Commands Results DriveInfo sled ID drive IDInfo all V80DTESCLUNInfo LUN LunInfoVirtualDriveInfo active planned Virtual Drive ID VirtualDriveInfoSafety compliances EMC specifications Radio and television interferenceFloor mount dimensions Rack mount dimensionsEnvironmental and physical Manufacturer limited warranty Contact Atto Technology, Inc

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