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Partition Manager Help

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  Actions  |  Create nPartition  |  Set Cell Attributes   

Set Cell Attributes

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Set Cell Attributes
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» Cell Attributes
» Complete This Step
» Messages

This is step 3 of the create nPartition wizard. In this step you can set optional attributes of the cells that will be assigned to the new nPartition.

For an overview of the entire create nPartition wizard, refer to the parent help topic, create nPartition. For a guide to nPartition configuration requirements and recommendations, refer to the configuration guide.

Cell Attributes

Default cell attributes have been assigned to the cells that you selected in the previous step. You can keep these defaults and proceed to the next step by clicking [Next >]. However, the defaults may not provide optimal performance for the mix of applications that will be used in your nPartition. For more information about nPartition configuration requirements and recommendations, refer to the configuration guide.

Table 1 Cell Attributes

Hardware Location

The physical location of the cell (cabinet and cell slot). To examine the details of this cell, you can click on the value in this field. A new browser window will display the cell properties view. This shows the same information as the cell scope views. Inside this new browser window, you can switch between the General, CPUs and Memory, and I/O tabs, but you cannot navigate outside the cell scope. Close the new browser window when you have finished examining the cell properties.

Connected To

The I/O chassis, if any, to which this cell is attached. To examine the details of this I/O chassis, you can click on the value in this field. A new browser window will display the I/O chassis properties view. This shows the same information as the I/O chassis scope views. Inside this new browser window, you can switch between the General and I/O tabs, but you cannot navigate outside the I/O chassis scope. Close the new browser window when you have finished examining the I/O chassis properties.

Can Be Core Cell

Whether the cell has the properties required to be a core cell (Yes or No). If the value is No, then no core cell choice value can be specified for this cell.

Cell Type

Always set to Base. Other cell types may be introduced in future releases.

Use On Next Boot

Set this field to “No” to prevent the cell being made active the next time that the nPartition is booted.

Default: Yes.

Failure Usage

Specifies how the cell will be used after a hardware failure. This is always set to Base. Other failure usage types may be introduced in future releases.

Core Cell Choice

Specifies the preferred order in which cells should be tried as the core cell.

Each nPartition has one cell that system firmware selects as the core cell when the nPartition is booted. On servers based on the HP sx2000 chipset, core I/O is provided on each cell, so every cell is a viable core cell. On all other nPartition servers, a cell is a viable core cell only if it is attached to an I/O chassis with core I/O.

If this nPartition contains more than one cell that is capable of being the core cell, you can use this field to specify the order in which candidate cells should be tried. You do not have to specify any core cell choices. If no choices are specified (i.e. this field is set to None for each candidate cell), then a core cell will be chosen automatically.

You can specify up to four choices (1st, 2nd, 3rd, and 4th). You do not have to specify all four choices, but you may not leave any gaps in the choices that you make. For example, you can specify only a 1st choice, or only a 1st and 2nd choice, but you cannot specify only a 2nd and 4th choice.

When the nPartition is booted, system firmware will try to select the first choice as the core cell. If that cell is ineligible to be the core cell (for example, if its Use On Next Boot flag is set to No, or a hardware error has occurred), then the second choice will be tried, and so on. If a core cell has not been selected after all of the specified choices have been tried, then system firmware will try other cells in the nPartition. Note that a cell can still be selected as the core cell, even if it does not have a Core Cell Choice value.

Default:  When creating a new nPartition, the first four cells that can be core cells are assigned Core Cell Choice values 1st through 4th, by order of cell slot number. When modifying an existing nPartition, this field defaults to None for newly added cells.

 

Complete This Step

The buttons at the bottom of the page are used to move through the steps of the wizard.

Avoid using your browser's “Back” and “Forward” buttons in Partition Manager (except in the online help). When you use these buttons, Partition Manager cannot tell that you have changed to a different view. This can cause problems, including incorrectly displaying which objects are selected in the current view. Instead, use the links and navigation buttons provided by Partition Manager.

If you do use your browser's “Back” or “Forward” buttons, you can refresh the displayed data by clicking the Partition Manager [Refresh] button at the top right of the window, or by selecting the ToolsRefresh Data action from the actions menu.

[< Back]

Go back to the previous step. You can keep clicking [< Back] until you return to the start of the wizard, or resume from any previous step. Once you go back to a previous step, any steps ahead of that will need to be completed again, in the proper sequence.

[Next >]

Accept the information provided in this step, and proceed to the next step. From there, you can use the [< Back] button to return to this step, if you decide to change the information entered here.

[Cancel]

Exit this wizard without completing this step or any further steps. Any information provided so far will be discarded.

[Help]

Display help on this step of the wizard, using a new browser window.

Messages

When you click the [Next >] button, one of the following messages may be displayed.



There must be at least one viable core cell (i.e., a cell that is attached to an I/O chassis that contains a core I/O card) that has the Use On Next Boot flag set to "Yes". Otherwise, the nPartition cannot be booted.

Each nPartition must include at least one cell that can be selected at boot time as the core cell. None of the viable core cells selected for this nPartition will be active the next time that the nPartition is booted.

Click the [OK] button to return to the set cell attributes page. You must set the Use On Next Boot flag of at least one of the viable core cells to “Yes”. See the core cell glossary definition for more information.



All of the core cell choices are set to "None". System firmware will select the core cell (at nPartition boot time) based on its default algorithm. Click [OK] to continue.

You do not have to specify any core cell choices. Click [OK] to continue on, and a core cell will be selected automatically when the nPartition is booted. If you want to specify core cell choices, click [Cancel] instead.



There is a discontinuity in the core cell choices. All specified core cell choices must be in consecutive order before continuing.

You do not have to specify all four core cell choices, but you may not leave any gaps in the choices that you make. For example, you can specify only a 1st choice, or only a 1st and 2nd choice, but you cannot specify only a 2nd and 4th choice.