Revision Firmware Version
External RAID Controller & Subsystem
 Disclaimer
Copyright This Edition First Published
 Iii
RMA Policy
Supported Models
 Table of Contents
 LCD Keypad Operation
LCD Screen Messages
 Viewing and Editing Scsi Drives
Viewing and Editing Logical Drives and Drive Members
 Terminal Screen Messages
Terminal Operation
Vii
 Viii
Fibre Operation
 Advanced Configuration
Multi-Host Access Control LUN Filtering
Host-side and Drive-side Scsi Parameters
 10-1
Redundant Controller
10-14
10-19
 Array Expansion
Record of Settings
 Appendix C System Functions Upgrading Firmware
Appendix D Event Messages
Xii
 Functional Table of Contents
 7.8
Xiv
 Chapter Fibre Operation
Chapter Advanced Configurations
 Chapter Redundant Controller Configuration
Chapter Array Expansion
Xvi
 Xvii
Appendix C Controller Maintenance
 Chapter
Xviii
 Xix
Optimization Setting
 About This Manual
 Xxi
Revision History
 Xxii
 What is a logical volume?
Logical Volume
Logical Drive
Chapter
 What are the RAID levels?
RAID Levels
RAID Levels
Infortrend
 LogicalDrive
 RAID 0+1
RAID 0+1
 Disk Striping with Dedicated Parity Disk
 Global and Local Spare Drives
Spare Drives
Local
Spare
 12 Mixing Local and Global Spares
 Flash Selected Scsi Drive
Identifying Drives
Flash All Scsi Drives
Flash All but Selected Drives
 Automatic Rebuild and Manual Rebuild
Rebuild
 14 Manual Rebuild
Manual Rebuild
 Concurrent Rebuild in RAID 0+1
 15 Logical Volume
Logical Volume Multi-Level RAID
 16 Logical Drive Composed of 24 Drives
 18 Logical Volume with Drives on Different Channels
Spare drives assigned to a logical volume?
 Limitations
 Different write policies within a logical volume?
RAID expansion with logical volume?
Different controller settings using logical volume?
 Multi-level RAID systems
Logical volume with logical drives of different levels?
 How many physical drives do you have?
How many drives on each drive channel?
RAID Planning
 What kind of host application?
Dual loop, hub, or switch?
 What RAID level?
Optimization Mode
 Limitations?
Any spare drives?
 Starting a RAID System
Array Configuration Process
 Infortrend
 Grouping Drives into an Array
1 I/O Channel, Scsi ID, and LUN
 Physical locations of drive members
 Mapping Partitions to Host ID/LUNs
Making Arrays Available to Hosts
 Tunable Parameters
Controller Parameter Settings
 Optimization Mode
 Array Configuration
 Following are guidelines on using the serial port
RS-232C Serial Port
Out-of-Band via Serial Port and Ethernet
 Configuring RS-232C Connection via Front Panel
 Keys used when operating via the terminal are as follows
Connecting Terminal
Starting RS-232C Terminal Emulation
 Out-of-Band via Ethernet
What Is the Disk Reserved Space?
 Connecting Ethernet Port
Other Concerns
Requirements
 Use a Terminal Emulator to Begin Configuration
Configuring the Controller
 Assign an IP Address to Ethernet Port
 Starting the Manager
 Snmptrap
NPC Onboard
 Snmptrap section
 Quick Installation Screen
Initial Screen
LCD Screen Messages
 Logical Drive
Logical Drive Status
RAID level
Drive numbers
 Logical Volume Status
Logical Volume Status
 Scsi Drive Status
 Default Scsi Bus Sync Clock
Channel Mode
Scsi Channel Status
Primary Controller Scsi ID Mapping
 Controller Voltage and Temperature
 Cache Dirty Percentage
UPS Power Failure Detected Press 2 Seconds to Clear Events
View and Edit Event Logs
View and Edit Event Logs
 Caching Parameters
Power on RAID Enclosure
Optimization Modes
Front Panel Operation
 Database and Transaction-based Applications
Optimization Mode and Stripe Size
 Write-Back/Write-Through Cache Enable/Disable
Write-Back Cache Enabled Disable Write
Optimization for Random or Sequential I/O
 Infortrend
 View and Edit Scsi Drives
View Connected Drives
=2 I=0 1010MB New DRV Seagate
View Drive Information
 Choosing a RAID Level
Creating a Logical Drive
Choosing Member Drives
Logical Drive Preferences
 Maximum Drive Capacity
Initialization Mode
Spare Drive Assignments
Disk Reserved Space
 On-Line Mode
Stripe size Default ?
Stripe Size
Beginning Initialization
 Off-Line Mode
 Creating a Logical Volume
 Logical Volume Assignment
 Partitioning a Logical Drive/Logical Volume
 View Edit Host Luns
Mapping a Logical Volume/Logical Drive to Host LUN
 Adding a Local Spare Drive
Assigning Spare Drive and Rebuild Settings
MAP to LV=0 PRT=0?
View and Edit Scsi Drives =2 I=4 1010MB
 Rebuild Settings
Adding a Global Spare Drive
Add Global Spare Drive Add Global Spare Drive Successful
 Deleting a Logical Drive
Viewing and Editing Logical Drives and Drive Members
 Drive Space Allocated to the Last Partition
Deleting a Partition of a Logical Drive
 Rebuilding a Logical Drive
Assigning a Name to a Logical Drive
View and Edit Logical Drives LG0 RAID5 DRV=3 2012MB FL SB=0
Rebuild Logical Drive Drive? Rebuilding 25% Please Wait
 LG0 RAID5 DRV=3 2012MB RB SB=0 Rebuild Progress
Regenerating Logical Drive Parity
 View and Edit Logical Drives LG0 RAID5 DRV=3 4095MB GD SB=0
Media Scan
 Write Policy
 Pass-through Scsi Commands
Viewing and Editing Host LUNs
Viewing and Deleting LUN Mappings
 Viewing and Editing Scsi Drives
Scanning New Scsi Drive
Scan Channel=1 ID=1 Scan Fail
 =1 I=1 Absent
Identifying a Drive
 Redefining Channel Mode
Viewing and Editing Scsi Channels
Deleting Spare Drive Global / Local Spare Drive
 Adding a Channel ID
Setting a Scsi Channel’s ID Host Channel Viewing IDs
Add Channel
Primary Controller ? Add CHL=0 ID=2 Primary Ctlr ?
 Deleting a Channel ID
Setting a Scsi Channel’s Primary ID Drive Channel
Delete Channel
Delete ID=2 Primary Ctlr ?
 Setting Channel Bus Terminator
Setting a Scsi Channel’s Secondary ID Drive Channel
 Scsi Terminator Enabled CHL=0 Disable Terminator ?
Setting Transfer Speed
 Viewing and Editing Scsi Target Drive Channel
Setting Transfer Width
View and Edit Scsi Channels CH1=Drive PID=7
View and Edit Scsi Target
 Slot Number
Maximum Synchronous Transfer Clock
Maximum Transfer Width
 Parity Check
Disconnecting Support
Maximum Tag Count
Max Xfer Narrow Only?
 Restore to Default Setting
 Changing Password
Change Password
System Functions
Mute Beeper
 Disabling Password
Reset Controller
Shutdown Controller
 ShutdownComplete Reset Ctlr?
Restore Nvram from Disks
Controller Maintenance Save Nvram To Disks
Restore Nvram From Disks
 Controller Parameters
Password Validation Timeout
Controller Name
LCD Title Display Controller Name
 Controller Date and Time
Time Zone
Time Zone
 Date and Time
GMT +0800
Date and Time MMDDhhmmYYYY
 Scsi Drive Low-level Format
Scsi Drive Utilities
View and Edit Scsi Drives =1 I=1 8683MB
Scsi Drives Utilities Drive Read/Write Test
 Scsi Drive Read/Write Test
 PC Graphic Ansi Mode
Transfer Rate Indicator
Terminal VT-100 Mode
Cursor Bar
 Main Menu
Quick Installation
 Terminal Screen Messages
 Status
SizeMB
 Name
Column C
 Chl
Slot
Size MB
Speed
 PID
Scsi Channel’s Status
 Term
CurSynClk
CurWid
 Controller voltage and temperature monitoring
 Viewing Event Logs on the Screen
 Terminal Operation
Terminal Operation
 Limitations
 Optimization Mode and Stripe Size
 Viewing the Connected Drives
 Creating a Logical Drive
 Choosing a RAID Level
 Logical Drive Assignments
Assign Spare Drives
 Initialization Mode
 Terminal Operation
 Creating a Logical Volume
 Partitioning a Logical Drive/Logical Volume
 Infortrend
 Mapping a Logical Volume to Host LUN
 Infortrend
 Adding Local Spare Drive
Assigning Spare Drive, Rebuild Settings
 Viewing and Editing Logical Drive and Drive Members
 1000MB
 Rebuilding a Logical Drive
 Applies to RAID1, 3,
 Iteration Count
 Edit Host-ID/WWN Name List
Viewing or Deleting LUN Mappings
 Scanning New Drive
 Identifying Drive
Slot Number Drive Entry
 Terminal Operation
 Viewing and Editing Scsi Channels
 Viewing and Editing Scsi IDs Host Channel
 Deleting an ID
Setting a Primary Controller’s Scsi ID Drive Channel
 Setting Channel Terminator
Setting a Secondary Controller’s Scsi ID Drive Channel
Setting a Transfer Speed
Drive Channel
 Host Channel
Setting the Transfer Width
 Viewing and Editing Scsi Target / Drive Channel
 Maximum Synchronous Transfer Clock
 Data Rate
 Infortrend
 System Functions
 Setting a New Password
Changing the Password
 Disabling the Password
 Controller Parameters
 Saving Nvram to Disks
 Password Validation Timeout
 Terminal Operation
 Set Controller Date and Time
 Drive Information
Scsi Drive Utilities
View Drive Information
 Scsi Drive Low-level Format
 Scsi Drive Read/Write Test
 Fibre Operation
Overview
 Major Concerns
 Fibre Operation
 Supported Features
Fibre Chip
Multiple Target IDs
 In-band Fibre and S.E.S. Support
Drive IDs
 Configuration Host and Drive Parameters
Channel Mode
Primary and Secondary Controller IDs
 Redundant Controller Cache Coherency Channel RCC Channel
View Channel WWN
Limitation
 View Device Port Name List Wwpn
View and Edit Fibre Drive
User-Assigned ID Scan Scsi Drive
 View and Edit Host-Side Parameters
 View and Edit Drive-Side Parameters Drive-Side Dual Loop
Fibre Channel Connection Type
 Controller Unique Identifier
 Controller Communications over Fibre Loops
 Fibre Operation
 Storage Pool
Multi-Host Access Control LUN Filtering
 Host-LUN Mapping
Creating LUN Masks
 WWN Name List
 Logical Unit to Host LUN Mapping
 Infortrend
 Filter Type Include or Exclude
LUN Mask ID Range Configuration
 Access Mode Read Only or Read/Write
Sample Configuration
 Configuration Procedure
 Infortrend
 Fault Prevention
Advanced Configurations
A.R.T
 Replace after Clone
Clone Failing Drive
 Perpetual Clone
 Advanced Configurations
 Introduction
 Detect Only
Disable
Perpetual Clone
Clone + Replace
 Configuration Procedure
Enabling the S.M.A.R.T. Feature
Examining Whether Your Drives Support S.M.A.R.T
 Detect Only Setting
Using S.M.A.R.T. Functions
 Detect, Perpetual Clone Setting
 Detect, Clone+Replace Function
 Host-side and Drive-side Scsi Parameters
Host-side Scsi Parameters
Foreword Scsi Channel, Scsi ID and LUN
 Number of Tags Reserved for each Host-LUN Connection
 Maximum Queued I/O Count
LUNs per Host Scsi ID
LUN Applicability
 What is In-band?
Peripheral Device Type
In-band Scsi or Fibre
 SCO
Peripheral Device Type Parameters
 Device Type Setting
Peripheral Device Type Settings
Cylinder/Head/Sector Mapping
Cylinder/Head/Sector Mapping under Sun Solaris
 Configuring Sector Ranges/Head Ranges/Cylinder Ranges
 Scsi Motor Spin-Up
Drive-side Parameters
 Scsi Reset at Power-Up
 Scsi I/O Timeout
Disk Access Delay Time
 Maximum Tag Count Tag Command Queuing
 Detection of Drive Hot Swap Followed by Auto Rebuild
SAF-TE and S.E.S. Enclosure Monitoring
Periodic Drive Check Time
 Periodic Auto-Detect Failure Drive Swap Check Time
Idle Drive Failure Detection
 Advanced Configurations
 Monitoring and Safety Mechanisms
Dynamic Switch Write-Policy
View Peripheral Device Status
 Controller Auto-Shutdown Event Trigger Option
 Rebuild Priority
Disk Array Parameters
 Verification on Writes
 Redundant Controller 10-1
Operation Theory
 Considerations Related to Physical Connection
Setup Flowchart
SCSI-Based Controllers
10-2 Infortrend
 Redundant Controller 10-3
Fibre-Based Controllers
 10-4 Infortrend
Grouping Hard Drives and LUN Mapping
 Redundant Controller 10-5
Logical Drive, Logical Volume, and Logical Partitions
 System Drive Mapping
Primary and Secondary IDs
10-6 Infortrend
 Redundant Controller 10-7
Mapping
 Fault-Tolerance
What Is a Redundant Controller Configuration?
10-8 Infortrend
 Redundant Controller 10-9
How does Failover and Failback Work? Channel Bus
 ID Mapping Status Normal Operation
ID Mapping Status Controller Failed
10-10 Infortrend
 Controller Failover and Failback
Active-to-Active Configuration
Replacing a Failed Unit
Auto-Failback
 Redundant Controller 10-12
Traffic Distribution and Failover Process
 Controller Failure
Symptoms
Connection
10-13 Infortrend
 Requirements
Preparing Controllers
Cabling Requirements
Controller RCC cable
 Redundant Controller 10-15
Controller Settings
 Limitations
Configurable Parameters
Primary or Secondary
10-16 Infortrend
 Battery Support
Active-to-Standby Configuration
Cache Synchronization
Redundant Controller 10-17
 10-18 Infortrend
 Redundant Controller 10-19
Configuration
 Enable Redundant Controller
Redundant Configuration Using Automatic Setting
Autoconfig
Via Front Panel Keypad
 Redundant Configuration Using Manual Setting
View and Edit Peripheral Dev
Redundant Controller 10-21
 Starting the Redundant Controllers
RC connecting ENT to cancel
Creating Primary and Secondary ID
10-22 Infortrend
 CHL=0 ID=0 Primary Ctlr Add Channel
Set Sec. Ctlr Idna to ID 6?
View and Edit Logical Drives
Redundant Controller 10-23
 10-24 Infortrend
Mapping a Logical Drive/Logical Volume to the Host LUNs
 When and how is the failed controller replaced?
What will happen when one of the controllers fails?
Front Panel View of Controller Failure
Redundant Ctlr Failure Detected
 10-26 Infortrend
Via Terminal Emulation
 Redundant Controller 10-27
 10-28 Infortrend
 Redundant Controller 10-29
Assigning Logical Drives to the Secondary Controller
 10-30 Infortrend
 When and How Is the Failed Controller Replaced?
Terminal Interface View of Controller Failure
Redundant Controller 10-31
 10-32 Infortrend
 Redundant Controller 10-33
Forcing Controller Failover for Testing
 Secondary Controller RS-232
RCC Status Redundant Controller Communications Channel
Remote Redundant Controller
Cache Synchronization on Write-Through
 View and Edit Logical Drives
Record of Settings 11-1
 11-2 Infortrend
 Record of Settings 11-3
View and Edit Logical Volumes
 11-4 Infortrend
View and Edit Host LUN’s
 Record of Settings 11-5
 11-6 Infortrend
View and Edit Scsi Drives
 View and Edit Scsi Channels
Record of Settings 11-7
 View and Edit Configuration Parameters
Communication Parameters
11-8 Infortrend
 Host Side Scsi Parameters
Record of Settings 11-9
 11-10 Infortrend
Disk Array Parameters
 View and Edit Peripheral Devices
Record of Settings 11-11
 Save Nvram to Disk, Restore from Disk
RAID Security Password
11-12 Infortrend
 Array Expansion
What is it and how does it work?
 Added Capacity
 Array Expansion
Expand Logical Drive Re-Striping
 Add-Drive Procedure
Mode 1 Expansion Adding Drives to a Logical Drive
 12-5
 12-6
 Expansion by Copy & Replace
Copy and Replace Procedure
 12-8
 12-9
Making Use of the Added Capacity Expand Logical Drive
 12-10
 Expand Logical Volume
 Example
Limitations When Using Windows
 12-13
 12-14
 12-15
 12-16
 12-17
 Start
Navigation Map
 Create
 View and Edit Scsi Drives
 View and Edit Scsi Channels
 View and Edit Configuration Parameters
 View and Edit Peripheral Device
 End
 Appendix
Basic RAID Management
 Advanced Features
 128
Caching Operation
 Caching Optimization
RAID Expansion
 Fibre Channel Support
 Redundant Controller
A.R.T. Support
 Data Safety
 System Security
 Environment Management
 Remote Manageability
User Interface
 Others
JBOD-Specific
 Redundant Controller Rolling Firmware Upgrade
Upgrading Firmware
System Functions Upgrading Firmware
 Establish the In-band Scsi connection in RAIDWatch Manager
Redundant Controller Firmware Sync-version
 Upgrade Both Boot Record and Firmware Binaries
 Upgrade the Firmware Binary Only
Upgrading Firmware Using RS-232C Terminal Emulation
 Upgrading Both Boot Record and Firmware Binaries
 Upgrading the Firmware Binary Only
 Event Index
Controller Event
Event Messages
 Notification
Drive Scsi Channel/Drive Error
 General Target Events
Logical Drive Event
 I2C Device
 Notification SAF-TE Device
 3fa2 Notice Controller FAN Back On-Line RPM
 Happens?
Controller Event
 Happens? What to Do?
 Happens? What to Do?
 Drive Scsi Channel/Drive Error
 Received Sensekey Sensecode
 Happens? What to Do? Line LCD
 = I= Unexpected Sense Rec
 What to Do?
 What to Press ESC to clear the message
 Red Path for C Failure Detected
 Logical Drive Event
 Infortrend
 Happens?
 Infortrend
 Event Type
 General Target Events
 Controller On-board
 Event Type
 Check I 2C cable connection and contact your system supplier
 3F22 Peripheral Device Alert high/low threshold Fan Speed
 Event Messages
 SES Device
 Line LCD . Temp Sensor Device Unknown Status
 What Happens? What to
 Line LCD . Current Sensor Device Not Supported
 Infortrend
 What Happens?
 Temperature back to non-critical level
 Controller Self Diagnostics
 Contlr FAN Back On-Line
 Happens?
 SES Device Alert
 Alert Notification What UPS device failure detected
 Index-1
Index
 Index-2 Infortrend
 Index-3
 Index-4 Infortrend
 Index-5
Nvram
 Index-6 Infortrend
RCC
 Index-7
 Index-8 Infortrend
Zmodem