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Dell OpenManage Server Administrator Storage Management User's Guide
Thermal Shutdown for Enclosures
Changing the Mode on PowerVault 220S and PowerVault 221S Enclosures
Enclosure and Backplane Health
Enclosure and Backplane Properties and Tasks
Temperature Probe Properties and Tasks
Physical disks can be contained in an enclosure or attached to the system's backplane. An enclosure is attached to the system externally while the backplane and its physical disks are internal.
You can view the Backplane object by expanding the controller and Connector object in the Storage Management tree view. Storage Management displays the status of the backplane and attached physical disks. Although a backplane is similar to an enclosure in that it is attached to a controller connector and has physical disks, it does not have the management features (temperature probes, alarms, and so on) associated with external enclosures.
Storage Management enables management of various enclosures and their components. In addition to managing the physical disks contained in the enclosure, you can monitor the status of the enclosure's fans, power supply, and temperature probes. You can view these components by expanding the controller, Connector, and enclosure objects in the Storage Management tree view.
Storage Management displays the properties of the enclosure's fans, power supply, and temperature probes. Storage Management also notifies you of enclosure status changes through alerts that are displayed in the Alert Log.
The following sections provide more information on the enclosure components and management features provided by Storage Management:
The enclosure's physical disks are displayed under the enclosure object in the tree view. Selecting a disk in the tree view displays the disk's status information.
The fans are a component of the enclosure's cooling module. The fans are displayed by expanding the enclosure object in the tree view. You can select the Fans object to display their status information.
The enclosure's power supplies are displayed under the Power Supplies object in the tree view. You can select the Power Supplies object to display their status information.
The enclosure's temperature probes are displayed under the Temperatures object. You can select the Temperatures object to display their status information. The status information includes the current temperature in Celsius and the Warning and Failure thresholds for the temperature probe. The Failure threshold has a default value that cannot be changed. You can set the Warning threshold, however. See "Set Temperature Probe Values" for information on setting the warning threshold.
For information related to the enclosure's temperature, see the following:
The Enclosure Management Modules (EMMs) that are installed in the enclosure are displayed under the EMMs object in the tree view. You can select the EMMs object to display the individual EMM modules and their status information.
The enclosure may contain one or more EMMs. The EMM modules monitor components of the enclosure. These components include:
When the enclosure's alarm is enabled, the EMM activates the alarm when certain conditions occur. For more information on enabling the alarm and the conditions that activate the alarm, see "Enable Alarm (Enclosure)." For more information on EMMs, see the enclosure hardware documentation.
All EMM modules in the enclosure should have the same version of firmware. You can view the properties of each individual EMM module to verify the firmware version.
Enclosure management provides a feature which automatically shuts down the operating system, the server, and the enclosure when the enclosure's temperature reaches dangerous extremes. The temperature when shutdown occurs is determined by the enclosure temperature probe's Minimum Failure Threshold and the Maximum Failure Threshold. These thresholds are default settings that cannot be changed.
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NOTE: Thermal shutdown does not apply to the Ultra SCSI, Ultra2 SCSI, Ultra160 SCSI, LSI 1020 and LSI 1030 controllers. |
For the PowerVault 20xS and PowerVault 21xS enclosures, the operating system shuts down and the server powers off when the enclosure reaches 0 degrees Celsius or 50 degrees Celsius. After the server powers off, the enclosure also powers off.
For the PowerVault 220S and PowerVault 221S, the operating system and server shut down at 0 degrees Celsius or 50 degrees Celsius if you have not implemented "Channel Redundancy and Thermal Shutdown". If you have implemented channel redundancy enabled smart thermal shutdown using the command line interface (CLI), then only the enclosure shuts down at 0 degrees Celsius or 50 degrees Celsius. This will not result in data loss because redundant data resides on the enclosure attached to the other channel.
The PowerVault 220S and PowerVault 221S enclosures automatically shut down when their temperature reaches 55 degrees Celsius. This shutdown occurs whether or not you have implemented channel redundancy or have Storage Management installed.
You can enable smart thermal shutdown using the command line interface. See "omconfig Enable Smart Thermal Shutdown" for more information.
When toggling the bus configuration switch on a PowerVault 220S or PowerVault 221S enclosure, the enclosure should be powered off. The bus configuration switch is used to change the enclosure to split bus, joined bus, or clustered mode. If you change the PowerVault 220S or PowerVault 221S enclosure mode with the enclosure powered on, the enclosure may no longer be displayed by Storage Management and you may notice other erratic behaviors. In addition, the bus configuration switch on these enclosures is not rated for frequent toggling.
In addition to the drop-down menu "Enclosure Tasks", the following activities may be required for enclosure management.
This screen displays the status of the enclosure or backplane and the components attached to the enclosure or backplane.
Component status is indicated by the severity. A component with a Warning or Critical/Failure status requires immediate attention to avoid data loss if possible. It may be useful to review the Alert Log for events indicating why a component has a Warning or Critical status. For additional troubleshooting information, see Alert Messages and Troubleshooting.
For information on enclosures and backplanes, see the following topics:
For information on attached components, see the following topics:
Use this window to view information about the enclosure or backplane and execute enclosure tasks.
The enclosure or backplane properties can vary depending on the model of the controller. Enclosure or backplane properties may include:
Property |
Definition |
---|---|
| These icons represent the severity or health of the storage component. See "Storage Component Severity" for more information. |
Name | This property displays the name of the enclosure or backplane. |
State | This property displays the current status of the enclosure or backplane. Possible values are: Ready The enclosure or backplane is functioning normally. Degraded The enclosure has suffered a failure and is operating in a degraded state. The Degraded state does not apply to backplanes. Failed The enclosure or backplane has suffered a failure and is no longer functioning. |
Connector | This property displays the number of the connector to which the enclosure or backplane is attached. This number matches the connector number on the controller hardware. Depending on the controller type, the connector can be either a SCSI channel or a SAS port. |
Enclosure ID | This property displays the enclosure ID assigned to the enclosure by Storage Management. Storage Management numbers the enclosures attached to the controller starting with zero. This number is the same as the enclosure ID number reported by the "omreport Command". |
Target ID | This property displays the SCSI ID of the backplane (internal to the server) or the enclosure to which the controller connector is attached. The value is usually 6. |
Configuration | This property displays the mode in which the enclosure is operating. Possible values are: Joined Indicates that the enclosure is operating in joined-bus mode. Split Indicates that the enclosure is operating in split-bus mode. Unified Indicates that enclosure is operating in unified mode. Clustered Indicates that the enclosure is operating in cluster mode. Clustered mode is only available on cluster-enabled RAID controllers. See "Cluster-enabled RAID Controllers" for more information. For more information on joined, split, and cluster modes, see the enclosure hardware documentation. For information on how to cable the enclosure to accommodate these different modes, see the enclosure hardware documentation. When toggling the bus configuration switch on a PowerVault 220S or PowerVault 221S enclosure, the enclosure should be powered off. See "Changing the Mode on PowerVault 220S and PowerVault 221S Enclosures" for more information. Older PowerVault 200S enclosures with a version 1.8 kernel that only have one EMM may display Split Bus mode and not Joined Bus mode. Joined Bus or Clustered when applicable are the only possible modes in these circumstances. |
Firmware Version | This property displays the version of the enclosure firmware. |
Service Tag | This property displays the enclosure's service tag number. This number is required when talking to Dell support. You can use this number to identify a specific enclosure in your environment by matching this number with the number on the service tag affixed to the enclosure. For example, if you have multiple enclosures and one of them experiences a failure, you can use the service tag number to identify which enclosure has failed. |
Asset Tag | This property displays the asset tag information for the enclosure. You can change this property using the "Set Asset Data" task. |
Asset Name | This property displays the name assigned to the enclosure. You can change this property using the "Set Asset Data" task. |
Backplane Part Number | This property displays the part number of the enclosure's backplane. |
Split Bus Part Number | This property displays the part number of the enclosure's split bus module. A split bus is indicated by a single triangle symbol on the back of the enclosure. |
Enclosure Part Number | This property displays the part number of the enclosure. |
Enclosure Alarm | This property displays whether the enclosure's alarm is enabled or disabled. |
Do the following to execute a drop-down menu enclosure task:
Use the Enable Alarm task to enable the enclosure alarm. When enabled, the audible alarm sounds whenever the fault LED lights. This may occur to signal events such as:
Use the Disable Alarm task to disable the enclosure alarm. When disabled, the alarm does not sound when the enclosure exceeds a warning threshold for temperature or experiences other error conditions such as a failed fan, power supply, or controller. If the alarm is already sounding, you can turn it off with this task.
Use the Set Asset Data task to specify the enclosure's asset tag and asset name. See "Set Asset Data" for more information.
Use the Blink task to blink the light-emitting diodes (LEDs) on the enclosure. You may want to use this task to locate an enclosure. The LEDs on the enclosure may display different colors and blinking patterns. Refer to the enclosure hardware documentation for more information on what the blink colors and patterns indicate.
Use the Set Temperature Probe Values task to specify the Warning and Failure thresholds for the enclosure's temperature probes. See "Set Temperature Probe Values" for more information.
If you have not yet attached the enclosure to an open connector, you may need to identify a connector on the controller that can be used for this purpose. To identify an open connector:
To check the enclosure's temperature:
For information related to the enclosure's temperature, see the following:
The firmware for the Enclosure Management Modules (EMMs) must be at the same level. To verify the EMM firmware version:
For information related to the enclosure's EMMs, see "Enclosure Management Modules (EMMs)".
For information on attached components, see the following topics:
You can change the enclosure's asset tag and asset name. The new asset tag and asset name that you specify are displayed on the enclosure's Information/Configuration subtab.
The temperature probes monitor the enclosure's temperature. Each temperature probe has a Warning and a Failure threshold. The Warning threshold indicates that the enclosure is approaching an unacceptably warm or cool temperature. You can modify the Warning threshold.
The Failure threshold indicates that the enclosure has reached a dangerous temperature that may cause damage and data loss. You cannot change the default values for the Failure threshold.
If you want to return the temperature probe's Warning threshold to the default values, select the Reset to default values button and click Apply Changes. The default values are displayed in the Minimum Warning Threshold and Maximum Warning Threshold text boxes.
Use this window to view information about the Enclosure Management Modules (EMMs).
Property |
Definition |
---|---|
Status
|
These icons represent the severity or health of the storage component. See "Storage Component Severity" for more information. |
Name |
This property displays the name of the EMM. |
State |
This property displays the current state of the EMMs. Ready The EMM is functioning normally. Degraded The EMM has suffered a failure and is operating in a degraded state. Failed The EMM has suffered a failure and is no longer functioning. Storage Management may also be unable to communicate with the enclosure using SES commands. The Failed state is displayed when the enclosure does not respond to a status query from Storage Management for any reason. For example, disconnecting the cable would cause this state to be displayed. Missing The EMM is not present in the enclosure. Not Installed The EMM is not present in the enclosure. |
Part Number |
This property displays the part number of the EMM module. |
Type |
This property indicates whether the EMM is a SCSI SES Module or a SCSI Terminator. SCSI SES Module A SCSI SES Module provides SES and SAFTE reporting to the host server, control of all system LED indicators, and monitoring of all environmental elements, such as temperature sensors, cooling modules, and power supplies. SCSI Terminator The SCSI Terminator card is only used if the PowerVault 220S or PowerVault 221S enclosure is not configured with a redundant SCSI SES Module type of EMM. In systems equipped with two SCSI SES Modules, the SCSI termination is done through the EMMs. |
Firmware Version |
This property indicates the version of the firmware loaded on the EMM. All EMM modules in the enclosure should have the same level of firmware. |
SCSI Rate |
This property displays the maximum SCSI speed that the EMM in a SCSI enclosure supports. |
Use this window to view information about the enclosure's fans.
The fans are a component of the enclosure's cooling module. The following table describes the fan properties.
Property |
Definition |
---|---|
Status
| These icons represent the severity or health of the storage component. See "Storage Component Severity" for more information. |
Name | This property displays the name of the fan. |
State | This property displays the current status of the fan. Ready The fan is functioning normally. Degraded The fan has suffered a failure and is operating in a degraded state. Offline The fan or power supply has been removed from the enclosure. Failed The fan has suffered a failure and is no longer functioning. Storage Management may also be unable to communicate with the enclosure using SES commands. The Failed state is displayed when the enclosure does not respond to a status query from Storage Management for any reason. For example, disconnecting the cable would cause this state to be displayed. Missing The fan is not present in the enclosure. |
Part Number | This property displays the part number of the fan. This property is not displayed for the PowerVault 22xS enclosures that have E.17 firmware or later. |
Speed | This property indicates the fan speed. Possible values are Fast, Medium, Slow, and Stopped. If the fan is in Offline state, the value for the Speed property is Unknown. For information on events that cause the fan speed to change, refer to the hardware documentation. |
Use this window to view information about the enclosure's power supplies.
Property |
Definition |
---|---|
Status
| These icons represent the severity or health of the storage component. See "Storage Component Severity" for more information. |
Name | This property displays the name of the power supply. |
State | This property displays the current status of the power supply. Ready The power supply is functioning normally. Degraded The power supply has suffered a failure and is operating in a degraded state. Failed The power supply has suffered a failure and is no longer functioning. Storage Management may also be unable to communicate with the enclosure using SES commands. The Failed state is displayed when the enclosure does not respond to a status query from Storage Management for any reason. For example, disconnecting the cable would cause this state to be displayed. Missing The power supplys is not present in the enclosure. |
Part Number | This property displays the part number of the power supply. This property is not displayed for the PowerVault 22xS enclosures that have E.17 firmware or later. |
Use this window to view information about the enclosure's temperature probes.
Property |
Definition |
---|---|
Status
| These icons represent the severity or health of the storage component. See "Storage Component Severity" for more information. |
Name | This property displays the name of the temperature probe. |
State | This property displays the current status of the temperature probe. Ready The temperature probe is functioning normally. Degraded The temperature probe has suffered a failure and is operating in a degraded state. Failed The temperature probe has suffered a failure and is no longer functioning. Storage Management may also be unable to communicate with the enclosure using SES commands. The Failed state is displayed when the enclosure does not respond to a status query from Storage Management for any reason. For example, disconnecting the cable would cause this state to be displayed. Minimum Warning Threshold Exceeded The enclosure's temperature has dropped below the minimum warning threshold. See "Set Temperature Probe Values" for more information. Maximum Warning Threshold Exceeded The enclosure's temperature has risen above the maximum warning threshold. See "Set Temperature Probe Values" for more information. Missing The temperature probe is not present in the enclosure. Inactive The temperature probe is present in the enclosure, but the EMM that it monitors is not installed. |
Reading | This property displays the current temperature of the enclosure as reported by the temperature probe. |
Warning Threshold | The Minimum and Maximum properties indicate the temperatures currently set for the Warning threshold. See "Set Temperature Probe Values" for more information. |
Failure Threshold | The Minimum and Maximum properties indicate the temperatures currently set for the Failure threshold. See "Set Temperature Probe Values" for more information. |
Click the Set Temperature Probe button to launch the wizard for changing the temperature probe's Warning threshold. You can change the Warning threshold for each of the temperature probes included in the enclosure. See "Set Temperature Probe Values" for more information.
Do the following to launch the Set Temperature Probe wizard:
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