HP StorageWorks Command Console V2.5 User Guide (AA-RV1UA-TE, March 2005)
Table Of Contents
- Contents
- About this Guide
- About SWCC
- Using Command Console
- Setting Up Notification
- Required Components for Notification
- Setting Up Pager Notification
- Using SWCC with a Third-Party Storage Management Program
- Using Event Logging on the Client System to Monitor Your Subsystem
- Interpreting Agent Email Messages
- About Event Information Fields
- Mapping State Change Digits to RAID System Components
- Table 11: State Change Digit Position and Corresponding RAID system Component
- The First Digit of the State Change Field (Overall RAID System)
- The Second Digit of the State Change Field (Disks)
- The Third Digit of the State Change Field (Power Supply)
- The Fourth Digit of the State Change Field (Fans)
- The Fifth Digit of the State Change Field (Battery)
- The Sixth Digit of the State Change Field (Temperature)
- The Seventh Digit of the State Change Field (This_Controller)
- The Eighth Digit of the State Change Field (Communications LUN)
- The Ninth Digit of the State Change Field (Other_Controller)
- The 10th Digit of the State Change Field (External Factors)
- The 11th Digit of the State Change Field (Logical Units)
- Using the Storage Window
- Why Use the Storage Window?
- Configuring a Controller
- Creating Virtual Disks
- Deleting Virtual Disks
- Modifying Virtual Disks
- Configuring the Operating System to Recognize Virtual Disk Changes
- Setting Passwords and Security Options (Network Only)
- Managing and Creating Spare Devices
- Using Configuration Files
- Understanding the Icons
- CLI Window
- Integrating SWCC with Insight Manager
- Troubleshooting
- Troubleshooting Connection Problems
- Invalid Network Port Numbers During Installation
- Network Port Assignments for UNIX-Client/Server Systems
- DHCP and WINS
- Connecting Via the Host SCSI Port
- “Access Denied” Message
- Adding New System by Using Internet Protocol Address May Cause Client to Stop Responding
- “No Agent Running” Message When Adding System to the Navigation Tree
- Troubleshooting the Client
- Authorization Error When Adding an Agent System
- Cannot Open Storage Window
- Client Hangs When LUN Is Deleted
- CLI RUN Commands
- Event Notification for Subsystems Connected to a Client System
- Invalid or Missing Fault Displays and Event Logs
- Pager Notification Continues After Exiting the Command Console Client
- Reconfiguration After Controller Replacement
- Some Graphics Do Not Scale Well with Large Fonts
- Starting Client from the Command Prompt
- Warning Message Windows
- Virtual Disk Recovery from a Configuration File
- Troubleshooting the HS-Series Agents
- Cluster Integration for the HS-Series Agents
- Troubleshooting Connection Problems
- Using the Command Console LUN
- Interpreting SNMP Traps
- Glossary
- Index
Glossary
141Command Console V2.5 User Guide
strip A RAID virtual disk using striping stores host data in pieces
called strips. One strip is stored on each member device in the
virtual disk. Together, the strips make up a stripe.
In some controllers, the strip size is used to tune the striped
virtual disk for a specific application:
■ If a virtual disk uses a small strip size compared to the size
of the average host request, the controller can break the host
data up into strips and can perform device accesses in
parallel using RAID 3 techniques. This optimizes the
virtual disk for applications requiring high data transfer
rates.
■ If a virtual disk uses a large strip size compared to the size
of the average host request, the controller can use RAID 5
techniques to perform multiple read accesses in parallel on
any device. This optimizes the virtual disk for applications
requiring high I/O request rates.
Also called a chunk, segment, or stripe element.
stripe A RAID virtual disk using striping stores host data in pieces
called strips. One strip is stored on each member device in the
virtual disk. Together, the strips across the member devices
form a stripe.
strip size The number of blocks of data that make up a strip.
In some controllers offering multiple-RAID-level virtual disks
such as RAID 3/5, the relationship between the strip size and
the average host I/O request size determines how the controller
accesses the devices in the virtual disk and affects the request
and data transfer performance of the subsystem.
striped virtual disk Another name for a RAID 0 virtual disk.
striped mirrored virtual
disk
Another name for a RAID 0+1 virtual disk.
striped parity virtual
disk
Another name for a RAID 3, or RAID 3/5 virtual disk.