External RAID Controller & Subsystem
Revision Firmware Version
Copyright This Edition First Published
Disclaimer
Iii
RMA Policy
Supported Models
Table of Contents
LCD Screen Messages
LCD Keypad Operation
Viewing and Editing Logical Drives and Drive Members
Viewing and Editing Scsi Drives
Terminal Screen Messages
Terminal Operation
Vii
Fibre Operation
Viii
Advanced Configuration
Multi-Host Access Control LUN Filtering
Host-side and Drive-side Scsi Parameters
10-14
Redundant Controller
10-1
10-19
Record of Settings
Array Expansion
Appendix C System Functions Upgrading Firmware
Appendix D Event Messages
Xii
Functional Table of Contents
Xiv
7.8
Chapter Advanced Configurations
Chapter Fibre Operation
Chapter Redundant Controller Configuration
Chapter Array Expansion
Xvi
Appendix C Controller Maintenance
Xvii
Xviii
Chapter
Optimization Setting
Xix
About This Manual
Revision History
Xxi
Xxii
Logical Drive
Logical Volume
What is a logical volume?
Chapter
RAID Levels
RAID Levels
What are the RAID levels?
Infortrend
LogicalDrive
RAID 0+1
RAID 0+1
Disk Striping with Dedicated Parity Disk
Local
Spare Drives
Global and Local Spare Drives
Spare
12 Mixing Local and Global Spares
Flash All Scsi Drives
Identifying Drives
Flash Selected Scsi Drive
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 write policies within a logical volume?
RAID expansion with logical volume?
Different controller settings using logical volume?
Logical volume with logical drives of different levels?
Multi-level RAID systems
How many physical drives do you have?
How many drives on each drive channel?
RAID Planning
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
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
What Is the Disk Reserved Space?
Out-of-Band via Ethernet
Connecting Ethernet Port
Other Concerns
Requirements
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
Quick Installation Screen
Initial Screen
LCD Screen Messages
RAID level
Logical Drive Status
Logical Drive
Drive numbers
Logical Volume Status
Logical Volume Status
Scsi Drive Status
Scsi Channel Status
Channel Mode
Default Scsi Bus Sync Clock
Primary Controller Scsi ID Mapping
Controller Voltage and Temperature
View and Edit Event Logs
UPS Power Failure Detected Press 2 Seconds to Clear Events
Cache Dirty Percentage
View and Edit Event Logs
Optimization Modes
Power on RAID Enclosure
Caching Parameters
Front Panel Operation
Optimization Mode and Stripe Size
Database and Transaction-based Applications
Write-Back/Write-Through Cache Enable/Disable
Write-Back Cache Enabled Disable Write
Optimization for Random or Sequential I/O
Infortrend
=2 I=0 1010MB New DRV Seagate
View Connected Drives
View and Edit Scsi Drives
View Drive Information
Choosing Member Drives
Creating a Logical Drive
Choosing a RAID Level
Logical Drive Preferences
Spare Drive Assignments
Initialization Mode
Maximum Drive Capacity
Disk Reserved Space
Stripe Size
Stripe size Default ?
On-Line Mode
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
MAP to LV=0 PRT=0?
Assigning Spare Drive and Rebuild Settings
Adding a Local Spare Drive
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
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
View and Edit Logical Drives LG0 RAID5 DRV=3 2012MB FL SB=0
Assigning a Name to a Logical Drive
Rebuilding a Logical Drive
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
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
Identifying a Drive
=1 I=1 Absent
Redefining Channel Mode
Viewing and Editing Scsi Channels
Deleting Spare Drive Global / Local Spare Drive
Add Channel
Setting a Scsi Channel’s ID Host Channel Viewing IDs
Adding a Channel ID
Primary Controller ? Add CHL=0 ID=2 Primary Ctlr ?
Delete Channel
Setting a Scsi Channel’s Primary ID Drive Channel
Deleting a Channel ID
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 ?
View and Edit Scsi Channels CH1=Drive PID=7
Setting Transfer Width
Viewing and Editing Scsi Target Drive Channel
View and Edit Scsi Target
Slot Number
Maximum Synchronous Transfer Clock
Maximum Transfer Width
Maximum Tag Count
Disconnecting Support
Parity Check
Max Xfer Narrow Only?
Restore to Default Setting
System Functions
Change Password
Changing Password
Mute Beeper
Disabling Password
Reset Controller
Shutdown Controller
Controller Maintenance Save Nvram To Disks
Restore Nvram from Disks
ShutdownComplete Reset Ctlr?
Restore Nvram From Disks
Controller Name
Password Validation Timeout
Controller Parameters
LCD Title Display Controller Name
Controller Date and Time
Time Zone
Time Zone
Date and Time
GMT +0800
Date and Time MMDDhhmmYYYY
View and Edit Scsi Drives =1 I=1 8683MB
Scsi Drive Utilities
Scsi Drive Low-level Format
Scsi Drives Utilities Drive Read/Write Test
Scsi Drive Read/Write Test
Terminal VT-100 Mode
Transfer Rate Indicator
PC Graphic Ansi Mode
Cursor Bar
Quick Installation
Main Menu
Terminal Screen Messages
SizeMB
Status
Column C
Name
Size MB
Slot
Chl
Speed
Scsi Channel’s Status
PID
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
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 Transfer Speed
Setting a Secondary Controller’s Scsi ID Drive Channel
Setting Channel Terminator
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
Drive Information
Scsi Drive Utilities
View Drive Information
Scsi Drive Low-level Format
Scsi Drive Read/Write Test
Overview
Fibre Operation
Major Concerns
Fibre Operation
Supported Features
Fibre Chip
Multiple Target IDs
Drive IDs
In-band Fibre and S.E.S. Support
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
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
Fault Prevention
Advanced Configurations
A.R.T
Clone Failing Drive
Replace after Clone
Perpetual Clone
Advanced Configurations
Introduction
Perpetual Clone
Disable
Detect Only
Clone + Replace
Configuration Procedure
Enabling the S.M.A.R.T. Feature
Examining Whether Your Drives Support S.M.A.R.T
Using S.M.A.R.T. Functions
Detect Only Setting
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
Peripheral Device Type Parameters
SCO
Cylinder/Head/Sector Mapping
Peripheral Device Type Settings
Device Type Setting
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
Detection of Drive Hot Swap Followed by Auto Rebuild
SAF-TE and S.E.S. Enclosure Monitoring
Periodic Drive Check Time
Idle Drive Failure Detection
Periodic Auto-Detect Failure Drive Swap Check Time
Advanced Configurations
Monitoring and Safety Mechanisms
Dynamic Switch Write-Policy
View Peripheral Device Status
Controller Auto-Shutdown Event Trigger Option
Disk Array Parameters
Rebuild Priority
Verification on Writes
Operation Theory
Redundant Controller 10-1
SCSI-Based Controllers
Setup Flowchart
Considerations Related to Physical Connection
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
System Drive Mapping
Primary and Secondary IDs
10-6 Infortrend
Mapping
Redundant Controller 10-7
Fault-Tolerance
What Is a Redundant Controller Configuration?
10-8 Infortrend
How does Failover and Failback Work? Channel Bus
Redundant Controller 10-9
ID Mapping Status Normal Operation
ID Mapping Status Controller Failed
10-10 Infortrend
Replacing a Failed Unit
Active-to-Active Configuration
Controller Failover and Failback
Auto-Failback
Traffic Distribution and Failover Process
Redundant Controller 10-12
Connection
Symptoms
Controller Failure
10-13 Infortrend
Cabling Requirements
Preparing Controllers
Requirements
Controller RCC cable
Controller Settings
Redundant Controller 10-15
Primary or Secondary
Configurable Parameters
Limitations
10-16 Infortrend
Cache Synchronization
Active-to-Standby Configuration
Battery Support
Redundant Controller 10-17
10-18 Infortrend
Configuration
Redundant Controller 10-19
Autoconfig
Redundant Configuration Using Automatic Setting
Enable Redundant Controller
Via Front Panel Keypad
Redundant Configuration Using Manual Setting
View and Edit Peripheral Dev
Redundant Controller 10-21
Creating Primary and Secondary ID
RC connecting ENT to cancel
Starting the Redundant Controllers
10-22 Infortrend
View and Edit Logical Drives
Set Sec. Ctlr Idna to ID 6?
CHL=0 ID=0 Primary Ctlr Add Channel
Redundant Controller 10-23
Mapping a Logical Drive/Logical Volume to the Host LUNs
10-24 Infortrend
Front Panel View of Controller Failure
What will happen when one of the controllers fails?
When and how is the failed controller replaced?
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
When and How Is the Failed Controller Replaced?
Terminal Interface View of Controller Failure
Redundant Controller 10-31
10-32 Infortrend
Forcing Controller Failover for Testing
Redundant Controller 10-33
Remote Redundant Controller
RCC Status Redundant Controller Communications Channel
Secondary Controller RS-232
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
View and Edit Configuration Parameters
Communication Parameters
11-8 Infortrend
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
Save Nvram to Disk, Restore from Disk
RAID Security Password
11-12 Infortrend
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
Redundant Controller Rolling Firmware Upgrade
Upgrading Firmware
System Functions 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 Index
Controller Event
Event Messages
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