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