above 50 puts a higher priority on the RAID set creation at the expense
of I/O activity.
I Firmware revision--Shows the current firmware revision of the
CR3500 RAID Controller.
I Serial number--Shows the serial number of the controller.
I Connection type--Shows the connection type, which can be serial or
SCSI.
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The next tab, Host Ports (Figure 4-11), has the following properties.
Figure 4-11. Controller Properties window, Host Ports tab
I Failover mode--Enter the desired failover mode: Performance
(active/active) or High Availability (active/passive). High availability is
only available for systems with two controllers. If two controllers are
present, both controllers must be set to the same failover mode.
NOTE: Compaq recommends running in active/active mode only.
I Host I/O channel 0--Enter the desired host I/O channel mode, which
can be active or passive.
NOTE: In stand-alone mode both host channels are active and they cannot be changed.
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CR3500 Configuration Utility 4-17
I Channel 0 Target ID--The physical address a bus initiator uses to
connect with a bus target. Each bus target is assigned a unique target
address. You must select an ID between 0 and 15 for a 16-bit module, or
between 0 and 7 for an 8-bit module. Make sure the ID you select does
not conflict with other IDs. Target IDs are also referred to as the
SCSI ID.
NOTE: Compaq recommends using the default values for the Channel 0 Target ID.
I Mode--The default mode is NT and it cannot be changed.
I Bus width--The default mode is 16 bit and it cannot be changed.
I SCSI transfer rate--The default SCSI transfer rate is 40 MB and it
cannot be changed.
I Tag queuing--If your host adapter supports tag queuing, check the
Enabled box. Tag queuing permits each initiator to have multiple
commands outstanding and each target to optimize the commands it
receives.
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4-18 Compaq ProLiant CL380 Software User Guide
The Environment tab (Figure 4-12) monitors the following items:
I Power
I Temperature
I Fan State
Figure 4-12. Controller Properties window, Environment tab
Refer to the online help for more information regarding each area's warning
icon and meaning.
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CR3500 Configuration Utility 4-19
The Cache tab (Figure 4-13) indicates the cache memory size for each
occupied slot in a controller's memory.
Figure 4-13. Controller Properties window, Cache tab
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Adding Physical Drives
The system's CR3500 RAID Controllers must recognize the physical drives in
the shared storage area before you can create logical drives from them. The
controller will recognize all physical drives at start up. To add physical drives
to your configuration after the controller has started, follow these steps:
IMPORTANT: Before adding physical drives that have previously been used by another
ProLiant CL380, it is necessary to delete any configuration settings on the drives. Failure
to do so can cause conflicting RAID settings on the CR3500 controller. For additional
information on deleting configuration settings present on the drives, see the "CRErase
Utility Information" section at the end of this chapter.
1. Physically add the drives to the system.
2. Run the CR3500 Configuration Utility to configure the drives.
NOTE: You cannot increase the capacity of an existing logical drive.
3. From the Main window, click Physical Drive, then click New.
4. The Add New Physical Drive window appears. Enter the channel
number and Target ID for the new physical drive. The Target ID is
displayed on the grid.
NOTE: An alternate method for adding drives is to click on an empty cell in the grid, then
right-click and select New. This presents the Add New Physical Drive window with the
channel number and target ID currently assigned.
5. Click the OK button. The program adds the physical drive to your
configuration and refreshes the main screen.
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CR3500 Configuration Utility 4-21
Adding Logical Drives
From the Storage pull-down menu, select Add Logical Drive. There is a
six-step wizard to assist you in adding a logical drive.
1. Select the RAID level for the new logical drive (Figure 4-14). Click the
Next button to continue.
Figure 4-14. Add Logical Drive: Step 1
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2. Select the physical drives for the new logical drive (Figure 4-15). The
number of physical drives you choose will determine the amount of
storage that will be available for the new logical drive. To select a
physical drive, click on an available physical drive and it will be added
to the selected physical drive list.
The Next button is disabled until the minimum number of disks is
chosen.
Figure 4-15. Add Logical Drive: Step 2
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3. Add the capacity for the logical drive (Figure 4-16).
Figure 4-16. Add Logical Drive: Step 3
I To create a single logical drive using the total capacity available, click
Add. The capacity remaining changes to 0. The new logical drive will
appear in the bottom window, along with its capacity. Click Next to
continue.
I To create more than one logical drive, enter a number less than the
amount appearing in the Logical Drive Capacity window and click Add.
The capacity remaining changes to reflect the new amount of capacity in
use. Repeat this step to create another logical drive, or click Next to
continue.
IMPORTANT: Drive capacity that is not configured is lost and cannot be recovered
without first deleting all logical drives of the RAID set.
NOTE: Creating multiple logical drives links all logical drives together. Deleting one of the
logical drives requires deletion of the remaining logical drives in the RAID set. Reassigning
host port assignments of one drive requires reassignment of all member drives of the
RAID set.
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4-24 Compaq ProLiant CL380 Software User Guide
4. Define the strip size and the host port for the new logical drives
(Figure 4-17). Click Next to continue. For more information on strip
size and host ports, refer to the online help.
Figure 4-17. Add Logical Drive: Step 4
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5. Select a Logical Unit Number (LUN) for the logical drive (Figure 4-18).
The Step 5 screen also gives you the option of enabling the Writeback
Cache to improve host performance. For more information on LUNs and
Writeback Cache, refer to the online help.
Figure 4-18. Add Logical Drive: Step 5
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6. View a summary of the new logical drives (Figure 4-19). In this
summary you will find the RAID level, capacity, cache options, and
member physical drives that you selected for each new logical drive. If
you are not satisfied with these characteristics, you can make changes by
clicking on the Back button. If you are satisfied with the summary, click
Finish.
Figure 4-19. Add Logical Drive: Step 6
Replacing a Failed Controller
Replacing a Failed Controller in a Single
Controller Environment
1. Power down the shared storage array.
2. Remove the failed controller.
3. Insert the new controller.
4. Restore the configuration settings. See the section, "Restoring
Configuration Settings from a File," for this procedure.
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CR3500 Configuration Utility 4-27
Replacing a Failed Controller in a Redundant
Controller Environment
A failed controller can be replaced without powering down the shared storage
array. To replace a failed controller:
1. Remove the failed controller.
2. Insert the new controller.
IMPORTANT: Before removing a failed controller, always verify that the amber fault LED
is lit and that the controller does not display a blinking activity LED.
Replacing a Failed Drive
A failed drive can be replaced without powering down the shared storage
array. When a drive fails, two things can happen:
I The logical drive associated with the failed drive uses a spare and
rebuilds the spare drive to join the logical drive. The logical drive will
be in a reconstructing state.
I The logical drive stays in a reduced state until a new drive is added.
To replace the failed drive:
1. Remove the failed drive.
2. Insert the new drive.
3. See the "Adding Physical Drives" section for procedures to make the
new drive known to the system.
4. Set the new drive status.
If a spare drive was used to reconstruct the affected logical drive, set the
new drive as a spare drive.
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If there was no spare drive to use, the logical drive is still in a reduced
state. Add the new physical drive to the logical drive for reconstruction
to start.
a. Select the logical drive in reduced status.
b. Select Logical Drive from the Storage pull-down menu.
c. Select Reconstruct.
d. A list appears showing available drives. Select the drive you just
added.
e. Reconstruction begins.
Setting a Physical Drive as a Spare
NOTE: Spare drives serve as spares to all logical drives. They are not grouped with a
particular logical drive.
How a Spare Drive Works
I If a physical drive fails in a RAID 1, RAID 0+1, RAID 4, or RAID 5
logical drive, the spare automatically replaces the failed physical drive
and the controller reconstructs all logical drives that contained the failed
physical drive as a member.
I After the controller writes data to a spare, the spare becomes part of the
same device group in which a device failed.
I After the controller writes data to a spare, the status of the spare changes
to Good.
To Define a Spare Physical Drive
1. In the main window of the Configuration Utility, click the physical drive
to be used as a spare. The physical drive must be in the Available state.
2. From the Storage menu, choose Physical Drive, then choose Make
Spare.
NOTE: The spare must have a capacity equal to or greater than the failed physical drive
for an automatic reconstruct to start.
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CR3500 Configuration Utility 4-29
Managing Spare Physical Drives
Making a spare physical drive part of a logical drive will protect the integrity
of the RAID setup. This proves especially true for logical drives that have
RAID requirements of two or more physical drives. Should one physical drive
fail, the logical drive will automatically activate the spare physical drive as
replacement for the failed drive.
Managing Failed Physical Drives
To return a failed physical drive to a non-failed state, from the Storage menu,
select Physical Drive, and then select Clear Failure.
You can easily identify a failed physical drive from the main screen because
the failed icon will appear. See Table 4-5 for the physical drive icons.
Deleting Logical Drives
CAUTION: If you delete a logical drive, all of the data on that logical drive will
be lost. The logical drives in the storage subsystem are logical units that contain
user data. Although logical drives do not exist in a physical sense, it is their
logical structure that ties together the physical pieces of data spread across
their members. Use extreme caution when deleting a logical drive.
1. Click the logical drives that you want to delete.
2. From the Storage pull-down menu, select Logical Drive, then select
Delete. A system message appears, asking if you want to delete all disks
in the group.
3. Click Yes to delete all the disks in the group.
Using Configuration Files
You can use a configuration file to save the configuration settings of the
CR3500 RAID Controllers and disk drives and to view or reconstruct the
settings at a later time. You also can revert to one of these saved
configurations at any time. The CR3500 Configuration Utility reads the
configuration file you choose and sets up your subsystem accordingly.
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Saving Configuration Settings to a File
From the Storage pull-down menu, select Controller, Configuration, then
Save. The current configuration settings, including caches, LUNs, host ports,
and strip size, will be saved.
CAUTION: When saving a configuration, all controller data and RAID set data is
preserved at the time of the Save operation. When restoring a configuration, the
configuration being restored must EXACTLY match the configuration when it
was saved. Any RAID sets in existence when the Restore Configuration operation
takes place that were not in existence when the configuration was saved will be
reinitialized, and any data on those RAID sets will be lost. Make sure you have a
recent backup copy of your configuration data before you execute this operation.
Restoring Configuration Settings from a File
You can automatically restore or configure your entire storage subsystem from
a previously saved configuration file. The CR3500 Configuration Utility can
configure your subsystem from a file only if the file corresponds to your
subsystem's hardware configuration.
From the Storage pull-down menu, select Controller, Configuration, then
Restore.
All of the configuration settings, including caches, LUNs, host port, and strip
size, will be restored to their original condition.
CAUTION: When restoring a configuration, the configuration being restored
must match the configuration EXACTLY as it was saved. Any RAID sets in
existence when the Restore Configuration operation takes place that were not in
existence when the configuration was saved will be reinitialized, and any data
on those RAID sets will be lost.
You will not be able to restore the original configuration settings if the original
hardware and connections have been replaced or if the original configuration
settings were not saved before implementing the changes.
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CR3500 Configuration Utility 4-31
Upgrading from a Single Controller Configuration
to Redundant Controller Configuration
Before upgrading your system from a single CR3500 RAID Controller to a
redundant CR3500 RAID Controller configuration, verify that each
CR3500 RAID Controller has the same firmware revision level by following
these steps:
1. Compaq recommends that you download the latest firmware for the
CR3500 RAID Controller by accessing the Compaq Support website:
www.compaq.com/support
IMPORTANT: Each CR3500 RAID Controller must have the same firmware level to allow it
to bind in a redundant fault tolerant configuration.
2. Open the CR3500 Configuration Utility and double-click the controller
icon for the original controller. Take note of the current firmware level.
3. Determine the firmware level of the new controller by reading the
firmware revision level label found on the carrier of the controller.
4. If the firmware level of each controller matches the current release of
firmware, follow the steps in the "Matching Firmware Revision Levels"
section.
5. If the original controller has an older firmware level, follow the steps in
the section titled "Updating the Firmware Revision Level of the Original
CR3500 RAID Controller."
6. If the new controller has an older firmware level, follow the steps in the
section titled "Adding a Second CR3500 RAID Controller."
7. If both controllers have firmware levels which are older than those
posted on the Web, follow steps 1-7 in the "Updating the Firmware
Revision Level of the Original CR3500 RAID Controller" section,
followed by the section, "Adding a Second CR3500 RAID Controller,"
beginning with Step 7.
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4-32 Compaq ProLiant CL380 Software User Guide
Matching Firmware Revision Levels
Follow these steps if the firmware revision levels are identical for both
controllers.
1. Save the existing single controller configuration using the Save
Configuration function of the CR3500 Configuration Utility.
2. Suspend all I/O and power down the shared storage subsystem.
3. Remove the Shared Storage RAID Controller CR3500 from bay 1 (top).
4. Insert the new Shared Storage RAID Controller CR3500 into
bay 1 (top).
IMPORTANT: Do not insert the original CR3500 RAID Controller into bay 2 (bottom) at this
time.
5. Power up the shared storage area.
6. Restore the controller configuration settings saved in Step 1 using the
Restore Configuration function of the CR3500 Configuration Utility.
7. Power down the shared storage area.
8. Remove the CR3500 RAID Controller blanking panel from
bay 2 (bottom) and insert the original CR3500 RAID Controller into the
bay.
9. Power up the shared storage area and verify proper installation and
operation.
NOTE: For more information on the Shared Storage RAID Controller CR3500 LED
diagnostic checks, refer to the Compaq ProLiant CL380 User Guide.
NOTE: After the controllers initialize, the shared storage subsystem will be running in a
redundant controller configuration.
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CR3500 Configuration Utility 4-33
Updating the Firmware Revision Level of the
Original CR3500 RAID Controller
Follow these steps if the firmware revision level of the original controller is
older than the most recent firmware revision level.
1. Save the existing single controller configuration using the Save
Configuration function of the CR3500 Configuration Utility.
2. Suspend all I/O and power down the shared storage subsystem.
3. If you are upgrading controller firmware in Microsoft Windows NT
Server 4.0, Enterprise Edition, or Microsoft Windows 2000 Advanced
Server environments, open the CR3500 Configuration Utility. Select
Storage, Controller, Update Firmware. Enter the path to the location of
the firmware downloaded from the Compaq website or the file included
with the second controller. The pointing icon will change to an
hourglass as the update begins. When the update completes, you can
verify the firmware revision level by clicking on the controller icon.
If you are upgrading controller firmware under Novell NetWare 4.2 or
NetWare 5.1, follow the steps in the section titled "Novell NetWare
Firmware Upgrade Procedures."
IMPORTANT: Microsoft Cluster Server under Windows NT Server 4.0, Enterprise Edition,
Cluster Service under Windows 2000 Advanced Server, SNMP service, and any I/O must
be stopped during the firmware update.
4. Power down the shared storage area.
5. Remove the Shared Storage RAID Controller CR3500 from bay 1 (top).
6. Insert the new Compaq Shared Storage RAID Controller CR3500 in
bay 1 (top).
IMPORTANT: Do not insert the original CR3500 RAID Controller into bay 2 (bottom) at this
time.
7. Power up the shared storage area.
8. Restore the controller configuration settings saved in Step 1 using the
Restore Configuration function of the CR3500 Configuration Utility.
9. Power down the shared storage area.
10. Remove the CR3500 RAID Controller blanking panel from
bay 2 (bottom).
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4-34 Compaq ProLiant CL380 Software User Guide
11. Insert the original CR3500 RAID Controller into bay 2 (bottom).
12. Power up the shared storage area and verify proper installation and
operation.
NOTE: For more information on the Shared Storage RAID Controller CR3500 LED
diagnostic checks, refer to the Compaq ProLiant CL380 User Guide.
NOTE: After the controllers initialize, the shared storage subsystem will be running in a
redundant controller configuration.
Adding a Second CR3500 RAID Controller
Follow these steps if the firmware revision level of the new controller is older
than the most recent firmware revision level.
1. Save the existing single controller configuration using the Save
Configuration function of the CR3500 Configuration Utility.
2. Suspend all I/O and power down the shared storage subsystem.
3. Power down the shared storage area.
4. Remove the Shared Storage RAID Controller CR3500 from bay 1 (top).
5. Insert the new Compaq Shared Storage RAID Controller CR3500 into
bay 1 (top).
IMPORTANT: Do not insert the original CR3500 RAID Controller into bay 2 (bottom) at this
time.
6. Power up the shared storage area.
7. If you are upgrading controller firmware in Microsoft Windows NT
Server 4.0, Enterprise Edition, or Microsoft Windows 2000 Advanced
Server environments, open the CR3500 Configuration Utility. Select
Storage, then Controller, then Update Firmware. Enter the path to the
location of the firmware downloaded from the Compaq website or the
file included with the second controller. The pointing icon will change
to an hourglass as the update begins. When the update completes, you
can verify the firmware revision by double-clicking on the controller
icon.
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CR3500 Configuration Utility 4-35
If you are upgrading controller firmware under Novell NetWare 4.2 or
NetWare 5.1, follow the steps in the section titled "Novell NetWare
Firmware Upgrade Procedures."
IMPORTANT: Microsoft Cluster Server under Windows NT Server 4.0, Enterprise Edition,
Cluster Service under Windows 2000 Advanced Server, SNMP service, and any I/O must
be stopped during the firmware update.
8. Restore the controller configuration settings saved in Step 1 using the
Restore Configuration option of the CR3500 Configuration Utility.
9. Power down the shared storage area.
10. Remove the CR3500 RAID Controller blanking panel from
bay 2 (bottom).
11. Insert the original CR3500 RAID Controller into bay 2 (bottom).
12. Power up the shared storage area and verify proper installation and
operation.
NOTE: For more information on the Shared Storage RAID Controller CR3500 LED
diagnostic checks, refer to the Compaq ProLiant CL380 User Guide.
NOTE: After the controllers initialize, the shared storage subsystem will be running in a
redundant controller configuration.
Novell NetWare Firmware Upgrade Procedures
Use the following procedures to upgrade firmware under Novell NetWare 4.2
or NetWare 5.1. Due to the use of a serial interface for firmware updates, this
procedure must be used for each controller as needed.
1. Connect the controller to a system running Microsoft Windows 95, 98,
or NT by means of the serial connector on the back of the shared storage
subsystem.
2. Use a terminal program, such as HyperTerminal, to connect to the host
system.
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4-36 Compaq ProLiant CL380 Software User Guide
3. Use the following settings to connect:
G Bits per second=9600
G Data bits=8
G Parity=None
G Stop bits=1
G Flow control=Xon/Xoff
4. Power up the shared storage area and press Ctrl+C to abort the
controller boot process.
5. Select option 2 to change the baud rate.
6. Select option 3 to set the baud rate to 38400.
7. Change the baud rate on the terminal to match the controller's baud rate
of 38400.
8. Disconnect and reconnect the terminal service.
9. Press Enter to establish communication with the controller.
10. Select option 1 and press Enter.
11. Transfer the firmware file as a text file from the terminal service. The
entire update should take about 15 minutes at a 38400 baud rate.
12. After the firmware update is complete, select option 2 and change the
baud rate to 9600 by selecting option 1.
13. Change the baud rate to 9600 on the terminal service.
14. Disconnect and reconnect the terminal service.
15. Press Enter to establish communication with the controller.
16. Select option 9 to restart the controller.
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CR3500 Configuration Utility 4-37
Error and Warning Messages
When you start the CR3500 Configuration Utility, the software checks each
controller to detect errors in its configuration. If a problem is found, the
CR3500 Configuration Utility displays a warning message that describes the
problem.
IMPORTANT: If a warning message indicates "Internal Error Has Been Detected" and
cites an error code number, the problem requires assistance from Compaq technical
support. See the "About This Guide" section at the beginning of this book for technical
support phone numbers.
Refer to the online help for more information.
CRErase Utility Information
The CRErase Utility provides a quick and easy way to erase the configuration
information on the shared storage drives. To erase the configuration
information perform the following steps:
1. Create a System Erase Utility diskette by using the Diskette Builder
Utility on the latest SmartStart and Support Software CD.
2. Create a bootable diskette from a computer running either DOS,
Microsoft Windows 95, or 98. To create a bootable diskette:
a. Insert a blank diskette in the diskette drive.
b. Open an MS-DOS Prompt window.
c. Enter SYS A: at the DOS command prompt.
3. Copy the CRERASE.EXE file from the System Erase Utility diskette to
the bootable diskette.
4. Power down both server nodes.
5. Insert the bootable diskette into one of the Compaq ProLiant CL380
server nodes and turn on the server node.
6. Type CRERASE at the DOS command prompt and press Enter to remove
all RAID set configuration from the physical drives and the Shared
Storage CR3500 RAID Controller.
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5
Chapter
Integrated Management Log
NOTE: The Compaq Integrated Management Log (IML) only records events for the server
nodes. The IML does not record events in the shared storage array.
The Compaq Integrated Management Log (IML) records events and stores
them in an easily viewable form. The Compaq Integrated Management Log
records hundreds of events and then marks each event with a time-stamp with
one-minute granularity.
Events listed in the Compaq Integrated Management Log are categorized as
one of four event severity levels:
I Status--Indicates that the message is informational only.
I Repaired--Indicates that corrective action has been taken.
I Caution--Indicates a nonfatal error condition.
I Critical--Indicates a component failure.
The Compaq Integrated Management Log requires Compaq Operating
System-dependent drivers. Refer to the Compaq SmartStart and Support
Software CD for instructions on installing the appropriate drivers.
Multiple Ways of Viewing the Log
You can view an event in the Compaq Integrated Management Log two ways:
I From within Compaq Insight ManagerTM
I From within Compaq Survey Utility
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5-2 Compaq ProLiant CL380 Software User Guide
Compaq Insight Manager
Compaq Insight Manager is a server management tool providing in-depth
fault, configuration, and performance monitoring of hundreds of Compaq
servers from a single management console. The system parameters that are
monitored describe the status of all key server node components.
By being able to view the events that occur, you can take immediate action.
You can view and print the event list from within Compaq Insight Manager by
following the instructions below. You can also mark a critical or caution event
as repaired after the affected component has been replaced, for example, if a
fan that has failed has been replaced. You can lower the severity of the event
by marking it as repaired.
Viewing the Event List
1. From Compaq Insight Manager, select the appropriate server node, then
select View Device Data.
The selected server node is displayed with buttons around its perimeter.
2. Select the Recovery button.
3. Select Compaq Integrated Management Log.
NOTE: You can only view the event list from the Recovery/Integrated Management
screen. To print the list, follow the instructions in the following section.
4. If a failed component has been replaced, select the event from the list
and then select Mark Repaired.
Printing the Event List
You can only view the event list from the Recovery/Integrated Management
Log screen as described in the previous section. To print the list, follow the
instructions below.
1. From Compaq Insight Manager, select the appropriate server node. The
selected server node displays with buttons around its perimeter.
2. Click the Configuration button.
3. Click the Recovery button.
4. Click Print.
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Integrated Management Log 5-3
Compaq Survey Utility
The Compaq Survey Utility is a serviceability tool available for Microsoft
Windows NT Server 4.0, Windows 2000, and Novell NetWare that delivers
online configuration capture and comparison to maximize server node
availability. The utility is delivered on the Compaq Management CD in the
Cluster Setup and Management pack, or it is available on the Compaq website.
Refer to the Compaq Management CD for information on installing and
running the Survey Utility.
After you have run the Survey Utility, you can view the Compaq Integrated
Management Log by loading the output of the utility (typically called
SURVEY.TXT) into a text viewer such as Microsoft Notepad. The event list
follows the system slot information. Once you have opened the text file, you
can print it using the print feature of the viewer.
List of Events
The event list displays the affected components and the associated error
messages. Although the same basic information is displayed, the format of the
list may be different depending on how you are viewing it from within
Compaq Insight Manager or the Compaq Survey Utility.
Table 5-1 identifies the event types (affected components) and associated
event messages.
Table 5-1
Event Messages
Event Type Event Message
Machine Environment
Fan Failure System Fan Failure (Fan X, Location)
Fans Not Redundant System Fans Not Redundant
Overheat Condition System Overheating (Zone X, Location)
Main Memory
Correctable Error Threshold Corrected Memory Error threshold passed (Slot X, Memory
exceeded Module X)
Corrected Memory Error threshold passed (System Memory)
Corrected Memory Error threshold passed (Memory Module
unknown)
continued
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5-4 Compaq ProLiant CL380 Software User Guide
Table 5-1
Event Messages continued
Event Type Event Message
Uncorrectable Error Uncorrectable Memory Error (Slot X, Memory Module X)
Uncorrectable Memory Error (System Memory)
Uncorrectable Memory Error (Module unknown)
Processor
Correctable Error Threshold Processor Correctable Error Threshold passed (Slot X, Socket X)
exceeded
Uncorrectable Error Processor Uncorrectable internal error (Slot X, Socket X)
Host Bus Error Unrecoverable Host Bus Data Parity Error
Unrecoverable Host Bus Address Parity Error
PCI Bus Error PCI Bus Error (Slot X, Bus X, Device X, Function X)
POST Error POST Error: Error message
Power Subsystem
Power Supply Failure System Power Supply Failure (Power Supply X)
Power Supply Inserted System Power Supply Inserted (Power Supply X)
Power Supply Removed System Power Supply Removed (Power Supply X)
Power Supply Not Redundant System Power Supplies Not Redundant
System Configuration Real-Time Clock Battery Failing
Battery Low
Power Module Failure A CPU Power Module (System Board, Socket X)
A CPU Power Module (Slot X, Socket X)
AC Voltage Problem System AC Power Problem (Power Supply X)
Power AC Overload System AC Power Overload (Power Supply X)
Automatic Server Recovery
System Lockup ASR Lockup Detected: Cause
continued
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Integrated Management Log 5-5
Table 5-1
Event Messages continued
Event Type Event Message
Operating System
System Crash Blue Screen Trap: Cause [NT/2000]
Kernel Panic: Cause [UNIX]
Abnormal Program Termination: Cause [NetWare]
Automatic OS Shutdown Automatic Operating System Shutdown Initiated Due to Fan Failure
Automatic Operating System Shutdown Initiated Due to Overheat
Condition
Fatal Exception (Number X, Cause)
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6
Chapter
System Management
Throughout the life of your Compaq ProLiant CL380, you will encounter the need to
improve performance, upgrade hardware components, upgrade software, increase
storage capacity, restructure cluster groups, back up cluster data, or monitor ongoing
activities. This chapter primarily describes these management concepts as they pertain
to Microsoft Cluster Server (MSCS) or Cluster Service clusters. This chapter also
details the utilities and programs used in the ongoing management of your system. The
topics addressed in this chapter include:
I Cluster Management Concepts
I Compaq Insight Manager
I Microsoft Cluster Administrator
I Novell ConsoleOne
I Backing Up Your Cluster
I Managing Cluster Performance
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6-2 Compaq ProLiant CL380 Software User Guide
Cluster Management Concepts Using
Microsoft Windows NT Server 4.0,
Enterprise Edition, or Windows 2000
Advanced Server
Managing a Cluster without Interrupting
Applications or Services
At some time during the life of your system, it is likely you will need to
perform an operation on a server node that will require it to be powered down.
Always use Cluster Administrator to fail over (or at a minimum, bring offline)
clustered applications before powering down the server.
Managing a Cluster in a Degraded Condition
Due to the high-availability nature of clustering, applications and network
clients remain operational even while some cluster components do not. When
the cluster is in this degraded condition, it is important to follow this process:
1. Understand what caused the degradation.
2. Determine whether the condition will continually worsen.
3. Determine how critical it is to repair the problem.
a. If the problem is considered non-critical, wait until a non-peak time
to service the problem.
b. If the problem is considered critical, fail over all clustered
applications and resources to the other server node before servicing
the problem.
Managing Hardware Components of Individual
Server Nodes
Compaq Insight Manager has been enhanced to operate with the
Compaq ProLiant CL380. While Compaq Insight Manager maintains its
current features of viewing and managing servers and their components, it now
allows you to view two server nodes as a single cluster entity. A
comprehensive overview of the cluster capabilities of Compaq Insight
Manager appears later in this chapter.
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System Management 6-3
Managing Network Clients Connected to a Cluster
An important aspect of managing network clients is to inform the users that
their applications are now running on a cluster. Since users will experience
some disruption of service, and possibly a performance degradation during
failover, they might become concerned about the availability and stability of
their applications. As the cluster is initially brought into a production
environment, it might be beneficial to describe in a memorandum the effects a
cluster will have on the users' information systems needs.
When a failover or failback event occurs, the users' perspective will be only
that they cannot access their application or data. When users have been
properly forewarned of the effects of operating in a clustered environment,
they will more readily recognize when a failover or failback event is occurring
or has occurred. Most will wait several minutes before trying to reconnect to
their application or data.
Managing a Cluster's Shared Storage
Compaq Insight Manager monitors the cluster. The physical drives and
hardware are monitored by means of the Mass Storage Overview screen,
which is accessed from the Device View screen.
The shared logical drives (as well as other cluster resources and services) are
monitored by means of the Cluster Management and Cluster Shared Resources
screens, which are accessed from a cluster folder in the Device List.
Because this storage system is shared, either server node could be the owner of
any shared logical drive. While only one server node can own the logical drive
at any given time, ownership can switch from one server node to another.
Compaq Insight Manager reports the current owner of a logical drive and
updates this information dynamically if a failover occurs.
NOTE: Compaq Insight Manager shows the shared logical drives as cluster resources
owned by a particular server node. It shows the cluster hardware as a physical resource
of both servers in the cluster.
When viewing the Compaq Insight Manager Cluster Shared Resources screen,
you can determine which logical drive contains a particular drive by looking at
the Physical ID field under the Shared Resources heading.
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6-4 Compaq ProLiant CL380 Software User Guide
Remotely Managing a Cluster
Both Compaq Insight Manager and Microsoft Cluster Administrator can be
run from network client machines. Each program allows monitoring of
multiple clusters from a single remote client. See the corresponding
documentation to determine how to set up and configure each of these
programs to run remotely.
Cluster Events
Cluster events are logged in the Windows System Log. Use the
Windows Event Viewer to view the data in the log.
Compaq Insight Manager
Compaq Insight Manager is the Compaq application for easily managing
network devices. Compaq Insight Manager delivers intelligent monitoring and
alerting as well as visual control of your networked systems. Compaq Insight
Manager 4.80 or later has been updated to recognize and monitor the
Compaq ProLiant CL380. The following section provides an overview of the
cluster-specific features found in Compaq Insight Manager.
NOTE: The term cluster group used in this section refers to Compaq Insight Manager, not
to Microsoft Cluster Server.
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System Management 6-5
Explorer Device List Screen
When Compaq Insight Manager discovers a cluster, a cluster group is
automatically created and added to the group column on the left of the Device
list screen (Figure 6-1). The cluster protocol and address are also displayed.
Figure 6-1. Compaq Insight Manager Explorer Device list screen
When the cluster group is selected in the group column, the two server nodes
and a generic Cluster Software item are listed in the Device Name column of
the Device list screen (Figure 6-2).
Figure 6-2. Explorer Device list screen, Cluster Group selected
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6-6 Compaq ProLiant CL380 Software User Guide
Cluster Management Screen
Compaq Insight Manager includes a Cluster Management screen. From the
Cluster Management screen you can:
I Launch Microsoft Cluster Administrator.
I Bring up the Compaq Insight Manager Cluster Shared Resources screen.
I View the status of the cluster service running on each server node.
I View the overall status of all cluster resources. This information is
updated dynamically.
You can launch the Cluster Management screen (Figure 6-3) by
double-clicking on the Cluster Software Item.
Figure 6-3. Cluster Management screen
If Microsoft Cluster Administrator is installed on the Compaq Insight Manager
console, you can launch Cluster Administrator by clicking on the Cluster
Administrator button near the upper-right corner of the screen, or by selecting
an option from the right-mouse menu of the Cluster Software item. Cluster
Administrator will launch directly to the cluster represented by the Cluster
Management screen.
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System Management 6-7
Cluster Shared Resources Screen
The Cluster Shared Resources screen (Figure 6-4) contains specific
information about the cluster interconnect and all cluster resources running on
the server node.
From the Cluster Shared Resources screen you can:
I View address, transport protocol, and physical ID of all cluster
interconnects.
I View the current state of all cluster resources.
I Sort the interconnect information and resources by multiple criteria.
Figure 6-4. Cluster Shared Resources screen
All displayed interconnect and resource information is polled and updated
dynamically, including status and ownership.
For example, assume two drive volumes are defined in your shared storage.
The primary owner of the drive volume labeled E: is server node 1. The
primary owner of the drive volume labeled F: is server node 2. When the
cluster is in a normal state, Insight Manager will show E: as being owned by
server node 1, and F: as being owned by server node 2. When a failover event
occurs, ownership of the drives changes. Assume server node 1 experiences a
failure and its resources fail over to server node 2. When the failover is
complete and Insight Manager polls the cluster, server node 2 will be
identified as the owner of both F: and E:.
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6-8 Compaq ProLiant CL380 Software User Guide
Cluster Group Hierarchy
You can manage cluster groups at an appropriate level in the group hierarchy.
Cluster groups are always displayed at the All Devices level (Figure 6-5), but
cluster group shortcuts can be added to other groups.
Figure 6-5. Sample group hierarchy
Filter Groups Dialog Box
The Filter Groups dialog box (Figure 6-6) is used to create, edit, or delete
groups in the group list hierarchy.
Follow these steps to launch the Filter Groups dialog box:
1. From the group column in the Device List window, select the group you
want to work with. For example, to create a group within Network,
select Network.
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System Management 6-9
2. Select the Set Up Group button on the control bar.
Figure 6-6. Filter Groups dialog box
The Insert cluster shortcut button allows you to create shortcuts for existing
cluster groups and place them in different levels in the group hierarchy.
Cluster Address
A cluster address acts as a proxy, communicating with different servers in the
cluster depending on the state of the cluster. A Compaq Insight Manager
device using a cluster address may switch communication from one physical
device to another, which may result in erroneous information being delivered.
Consequently, Compaq Insight Manager does not allow management of a
device that uses a known cluster address.
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6-10 Compaq ProLiant CL380 Software User Guide
Microsoft Cluster Administrator
While the primary responsibility of Compaq Insight Manager is to monitor the
overall status of the cluster hardware, services, and resources, Microsoft's
Cluster Administrator is most adept at managing the groups, resources, and
operating state of the cluster. Cluster Administrator gives you the ability to:
I View the current status of cluster groups and resources.
I Bring groups and resources online and offline.
I Manually move groups and resources to another server node.
I Manually move groups and resources to their preferred server.
I Pause groups and resources.
I Restructure a group's resource dependency tree.
Cluster Administrator can be run remotely or on a server node. If Cluster
Administrator is installed remotely, the remote node must be in the same
domain as the server node. When running Cluster Administrator remotely, you
should connect to the cluster by means of Compaq Insight Manager or by
using the cluster IP address or cluster name.
NOTE: The remote feature is not supported in Microsoft Windows 95 or 98.
Refer to the Microsoft Cluster Server Administrator's Guide or the
Microsoft Windows 2000 Advanced Server documentation for a thorough
description of Cluster Administrator's features and specifics on how to use the
utility.
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System Management 6-11
Novell ConsoleOne
The Novell ConsoleOne utility is a network management tool that runs on a
Windows client or a NetWare 5.1 server. ConsoleOne does not run on a
NetWare 4.2 server.
The ConsoleOne utility allows you to perform the following tasks:
I Browse and organize network resources.
I Set up accounts for network users.
I Control access to network resources.
I Access remote server consoles.
ConsoleOne also lets you to manage NetWare clusters, allowing you to
perform any of the following cluster-related functions:
I Create cluster volumes, resources and templates.
I Configure load and unload scripts.
I Set failover and failback modes.
I Bring cluster resources offline and online.
I Assign nodes to resources.
I Migrate resources between servers.
I Identify cluster and resource states.
Refer to the ConsoleOne documentation for a thorough description of
ConsoleOne's features and specifics on how to use the utility.
Backing Up Your Cluster
The need for cluster backup is essential for both business-critical and
non-business-critical data. As data becomes an increasingly valued company
asset, it needs to be backed up on a regular basis. The process of backing up
data will ensure that a company's assets are secure and available when a
disaster strikes. The cluster itself provides a high degree of application
availability but does not prevent a user from deleting or corrupting a file or set
of files. Backing up a cluster's data will increase the overall level of data
availability.
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6-12 Compaq ProLiant CL380 Software User Guide
There are several methods for backing up clustered systems. Compaq
recommends using one of the following backup solutions:
I The first solution uses two tape backup subsystems with one tape
backup subsystem attached to each cluster node.
I The second solution uses a separate backup server that uses the standard
public client local area network (LAN) as the backup path.
Tape backup software varies in its level of cluster awareness, integration, and
operation. Contact your tape backup software vendor for more information
regarding cluster implementation and support.
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System Management 6-13
Managing Cluster Performance
As applications or resources transfer from one server to another, the
performance of the clustered servers will likely change. The extent of the
performance change depends on how well equipped the other server node is to
handle the increase in workload. This is especially obvious after a server
failure, where all of the cluster resources may move to the other server.
You can use the Windows Performance Monitor or the Novell NetWare
MONITOR.NLM to observe and track system performance. Some applications
may also have their own internal performance measurement capabilities.
Constant monitoring of each system's performance in a cluster may identify a
disparity in the workload being performed by each server. Adjust the
distribution of the cluster applications so that the overall cluster performance
is maximized.
Dynamic load balancing is not available in MSCS, Cluster Service, or NCS.
However, MSCS, Cluster Service and NCS do offer the ability to manually
load balance your server nodes. Under Windows, you can use information
obtained from Performance Monitor to determine whether either of the server
nodes is operating at too high a performance level. Use Cluster Administrator
to fail over as many cluster groups as necessary to balance the load of each
server node. Similarly, under Novell NetWare, use MONITOR.NLM to
determine whether either of the server nodes is operating at too high a
performance level.
The timing of manually moving a cluster group to balance the load should
depend strongly on what type of group needs to be moved and how many
clients are using the group. File and print services are normally not
business-critical, nor do they sustain an extremely high utilization rate. For
these reasons, file and print services are good candidates to move whenever
load balancing needs to occur, even when the overall cluster utilization is high.
However, some applications, such as databases, should not be moved from one
server to another during peak processing periods. When a database is moved
from one server to another, the database must be shut down and restarted.
During the time it takes the database to restart, users do not have access to the
database. In these cases, move a database group to another server during
non-peak hours.
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Index
bus width 4-17
buttons
A
add logical drive 4-9
Cluster Administrator 6-6
active/active 4-14, 4-16
configuration 5-2
active/passive 4-14, 4-16
CR3500 Configuration
add logical drive wizard 4-1
Utility 4-8
administrative tools 1-14, 2-11
details 4-9
applications
help
availability 6-11
accessing 1-2, 2-3, 3-2
configuring 1-17, 2-14
insert cluster shortcut 6-9
failing over 6-2
large icons 4-9
installing 1-17
list 4-9
performance 6-13
recovery 5-2
running on a cluster 6-3
set up group 6-9
setting up 1-17, 2-14
small icons 4-9
transferring 6-13
array controller driver
installing 1-8, 1-12 C
updating 1-9, 1-13
arrays cables, network 3-8
mirrored 4-1 cache
single device 4-1 limit 4-15
striped memory size 4-19
mirrored 4-1 options 4-26
parity 4-1 tab 4-14
assisted integration path 1-2, 2-2, writeback 4-25
3-2 capacity
adding 4-23
RAID 4-26
B
storage 6-1
binding 4-31 cards
blanking panel 4-32 network 3-8
boot process, abort 4-36 SCSI ID 1-5, 2-4, 3-4
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2 Compaq ProLiant CL380 Software User Guide
Shared Resources screen 6-3,
cautions
6-7
configurations
software item 6-5
restoring 4-30
status 6-6
saving 4-30
testing 3-8
logical drives 4-29
verifying 1-14, 2-11, 3-8
CDs
Cluster Administrator
Microsoft Windows NT Server
features 6-10
4.0, Enterprise Edition 1-3
installing 6-6, 6-10
SmartStart 1-1, 2-1, 3-1
launching 6-6
cluster
using 1-14, 2-11
address 6-5, 6-9
verifying
backing up 6-1, 6-11
cluster creation 1-14, 2-11
capabilities 1-17, 2-14
network client failover 1-15,
configuring 3-6
2-13
creating 1-14, 2-11, 3-9, 3-10
server failover 1-15, 2-12
degraded 6-2
effect on user 6-3
documentation 2-14
events 6-4
2-4, 2-5, 2-10
folder 6-3
setting up cluster groups 2-14
group
setting up cluster
bringing online 1-16, 2-14
resources 2-14
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