User Guide

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Installing and starting Data Organizer: Dell OpenManage™ Data Organizer Installation and Operation

Overview • Installing Data Organizer • Starting and exiting a Data Organizer session • Using the Host Administration window • Selecting the application mode • LUNs and LUN Groups and their icons • LUN Management window • LUN Group Administration window

Overview

This chapter describes the following:

• Installing Data Organizer (this page)
• Starting and exiting a Data Organizer session (Starting and exiting a Data Organizer session)
• Using the Host Administration window (Using the Host Administration window)
• Selecting the application mode (Selecting the application mode)
• LUNs and LUN Groups and their icons (LUNs and LUN Groups and their icons)
• Primary Data Organizer window, which this guide and the Data Organizer online help call the LUN Management window (LUN Management window)
• LUN Group Administration window (LUN Group Administration window)
• Subsequent chapters describe how to configure and monitor LUNs and LUN Groups starting from the LUN Management window.

NOTE: This guide assumes that you are familiar with the Windows NT environment for your management station.

Installing Data Organizer

The host on which you install Data Organizer must have the following hardware and software:

• A color graphics console with a minimum of 1024 x 768 resolution
• The Windows NT operating system
• Simple TCP/IP Services configured with connections to the servers with arrays whose LUNs Data Organizer will manage.

NOTE: For information on which hosts you can use and the required software revisions and service packs, refer to the Data Organizer Release Notice.

If a version of Data Organizer is already installed, remove it as described next before installing a new version.

To remove Data Organizer on the management station

1. Log on to the server as Administrator or someone who has administrative privileges.
2. From the Windows NT taskbar, follow the path

Start ® Dell OpenManage™ ® PowerVault™ Manager ® Data Organizer ® Data Organizer Uninstall.

3. In the Confirmation window that opens, click the Yes button to confirm the removal of Data Organizer.
4. In the Remove Program Files From Your Computer window, click the OK button when the Uninstall is successfully completed.

You have removed Data Organizer from the server.

To install Data Organizer on the management station

1. Log on to the server as Administrator or someone who has administrative privileges.
2. Insert the Dell OpenManage™ Data Organizer CD into the server's CD drive.

   The installation of Data Organizer starts automatically, and the Dell OpenManage™ Data Organizer window with the following Welcome screen is displayed.

Figure 2-1. Data Organizer welcome screen



If you do not see the Data Organizer welcome screen, follow these steps to start the installation:

1. From the Windows NT taskbar, follow this path

   Start ® Run

2. In the Run window, enter the following program name, and then click the OK button:

   drive:\setup.exe

   where drive is the letter for the CD drive, which is usually D.

3. In the Welcome window, click the Next button.
4. In the Software License Agreement window, read the license agreement and then click the Yes button to accept the agreement and continue the installation.
5. In the User Information window, make sure that the Name and Company entries are correct, and click the Next button.
6. In the Choose Destination Location window, either click the Next button to accept the default location or enter or select a different pathname, and then click the Next button.

   C:\Program Files\Dell OpenManage™\PowerVault™ Manager\Data Organizer is the default location directory where the software will be installed.

7. In the Select Program Folder window, either click the Next button to accept the default folder or enter or select a different folder, and then click the Next button.

Dell OpenManage™\PowerVault™ Manager\Data Organizer is the default folder where the Data Organizer program icons will be installed.

The Data Organizer files are installed.

8. In the Setup Console window, click the Finish button
9. Remove the Dell OpenManage™ Data Organizer CD from the management station's CD drive.

You have completed the installation of Data Organizer.

NOTE: Any user who can access the management station can change or delete the Data Organizer files you just installed. If you want to change the permissions on these files, refer to the Data Organizer Release Notice for information on what the permissions should be.

What next?

Continue to next section "Starting and exiting a Data Organizer session."

Starting and exiting a Data Organizer session

Before you start a Data Organizer session, someone must have performed the following tasks:

Before Data Organizer opens its main window, it must know which servers have arrays with LUNs that you want to manage during the session. You can specify these servers in one of the following ways:

• Put the server hostnames in a .hosts file in your home directory.
• Put the server hostnames in a file pointed to by the environmental variable RAID_ARRAY_HOSTS, and let Data Organizer use this file.
• Use Data Organizer's Host Administration window, which Data Organizer opens if the previous two options are not available.

To start a Data Organizer session

1. Log in to the management station as Administrator or someone who has administrative privileges.
2. From the Windows NT taskbar, follow the path

Start � Programs � Dell OpenManage � PowerVault™ Manager � Data Organizer

The following Dell OpenManage™ Data Organizer information window opens.

Figure 2-2. Dell OpenManage™ Data Organizer information window



3. In the Dell OpenManage™ Data Organizer information window, click the OK button or wait 30 seconds for the window to close automatically.

Data Organizer looks first in your home directory for a .hosts file that contains the hostnames of servers with arrays to manage. If such a file exists, Data Organizer tries to extract hostnames from this file. If it succeeds, it contacts each server in the file and displays a list of the LUNs on each array (subsystem) connected to the server. When it has contacted all the servers, it tries to enable statistics logging for each SP on each array, and then it opens the LUN Management window.

If the .hosts file does not exist, it asks if you want to use the file pointed to by the optional RAID_ARRAY_HOSTS environmental variable. If the variable does not exist, it opens the Host Administration window. If the variable exists, it tries to extract the hostnames of servers from the file pointed to by the variable. If it does not succeed, it opens the Host Administration window. If it succeeds, it contacts each server in the file and displays a list of LUNs on each array (subsystem) connected to the server. When it has contacted all the servers, it enables statistics logging for each SP on each array, and then it opens the LUN Management window.

NOTE: If Data Organizer cannot communicate with a server or cannot enable statistics logging for an SP any of its arrays, it displays an error message.

What next?

If the LUN Management window opens - Go to the "LUN Management window" section to learn about this window.

If the Host Administration window opens - Continue to the section "Using the Host Administration window" to specify the hostnames for the servers with arrays whose LUNs you want to manage.

To exit a Data Organizer session

1. From any Data Organizer window with a menu bar, follow the menu path File ® Exit.

A confirmation window opens.

2. In the confirmation window, click the OK button.

Using the Host Administration window

Figure 2-3. Host Administration window

The Host Administration window opens when you start a Data Organizer session if no server hostnames are in the .hosts file or in the file pointed to by the optional RAID_ARRAY_HOSTS environment variable if you tell Data Organizer to use this variable. In this situation, the list of host identifiers in the window is empty. You can open the window during a Data Organizer session from the LUN Management window by following the menu path File � Select Hosts. In this situation, the list contains the hostnames from this list. Servers on this list are called managed servers.

To add a server to the list

1. For each server that you want to add, follow these steps:
   
   
   1. In the Host Identifier field, enter the server hostname.
   2. Click the Add button.

   The hostname appears in the list of servers below the Host Identifier field.

2. When the list contains all the server hostnames you require, click the OK button.

A window opens asking if you want to save the new host list in the .host file in your home directory. You should save the list if it contains only servers with arrays whose LUNs you want to manage in most future Data Organizer sessions. Do not save the list if you added servers that you want to manage in the current Data Organizer session only.

NOTE: If you save the host list, it is always written to the .hosts file and not to the file pointed to by the RAID_ARRAY_HOSTS variable, which Data Organizer never changes.



3. In the window, click the Yes button to save the new server list to the .hosts file in your home directory; otherwise, click the No button.

   If you add the wrong name, you can remove it from the list, as described in the procedure that follows, and then add the correct name.

   Data Organizer contacts each server you just added, and displays a list of the LUNs it finds on each managed array connected to the server.

NOTE: If Data Organizer cannot communicate with a server you added to the list, it displays an error message.



4. In each window that lists LUNs for a server, click the OK button.

   Data Organizer enables statistics logging for each SP in each array it found connected to the servers you just added.

To remove a server from the list

1. For each server you want to remove, follow these steps:



1. Select the hostname from the list.

   The selected hostname appears in Host Identifier field.

2. Click the Remove button.

   A confirmation window opens.

3. In the window, click the Yes button to confirm the removal.

   The hostname disappears from the list of servers below the field.

2. When the list contains only the server hostnames you require, click the OK button.

   A window opens that asks if you want to save the new host list in the .hosts file in your home directory. You should save the list if it contains only servers with arrays whose LUNs you want to manage in most future Data Organizer sessions. You should not save the list if you removed servers that you do not want to manage in the current Data Organizer session only.

NOTE: If you save the host list, it is written to the .hosts file and never to the file pointed to by the RAID_ARRAY_HOSTS variable.



3. In the window, click the Yes button to save the new server list to the .hosts file; otherwise, click the No button.

   A window opens listing the LUNs on each server whose hostname you just removed. The current Data Organizer session no longer manages these LUNs, and it removes any icons for these LUNs from its windows, provided the managed array with the LUNs is not connected to another server. If any removed LUN icon represents a LUN in a LUN Group, Data Organizer gives you the option of removing the LUN from the group. If you choose to keep the LUN in the group, the LUN becomes a Ghost LUN.

4. Click the OK button.

   Data Organizer removes the icon for each LUN on each array on each server that you removed, provided that the array with the LUN is not connected to another server that is still on the list. It removes them from the array selection area of its LUN Management window (see LUN Management window).

What next?

Continue to the next section "Selecting the application mode."

Selecting the application mode

A Data Organizer session operates in Performance mode or Status mode. In Performance mode, the icons in the Data Organizer windows display information about the utilization of the managed LUNs and LUN Groups. In Status mode, they display information about the operational state of the managed LUNs and LUN Groups.

When you start a Data Organizer session, it is in Performance mode by default. You can change the mode whenever you want.

To change to Status mode

In the LUN Management window, follow the menu path

Options � Application Mode � Status

To change to Performance mode

In the LUN Management window, follow the menu path

Options � Application Mode � Performance

What next?

Continue to the next section "LUNs and LUN Groups and their icons."

LUNs and LUN Groups and their icons

For Data Organizer a LUN is either a Grouped LUN or an Ungrouped LUN depending on whether it is or is not part of a LUN Group. You cannot distinguish a Grouped LUN from an Ungrouped LUN by its icon, only by the window area in which the icon appears.

NOTE: A hot spare cannot belong to a LUN Group.

A Grouped LUN becomes a Ghost LUN in either of the following situations:

• The LUN is unbound.
• The hostnames for all servers connected to the array with the LUN are removed from the host list.

NOTE: Ungrouped LUNs cannot be Ghost LUNs.

When a LUN becomes a Ghost LUN, Data Organizer replaces its LUN icon with a Ghost LUN icon.

A LUN Group becomes a Ghost LUN Group in either of the following situations:

• All its LUNs are unbound, that is, it becomes empty.
• The hostnames for all servers connected to all arrays with LUNs in the group are removed from the host list.

Whenever you do either of the above operations, Data Organizer warns you that the LUN Group will become a Ghost Group, and asks if you want to ungroup it. When a LUN Group becomes a Ghost LUN Group, Data Organizer replaces its LUN Group icon with a Ghost LUN Group icon.

LUN icons

The icon for a Non-Ghost LUN or a Ghost LUN consists of a LUN image and a LUN name.

LUN icon image

The image in a LUN icon varies with the type of LUN as shown in the following table.

Table 2-1. LUN icon images

Icon Image	LUN Type	Icon Image	LUN Type
	RAID 0 Redundant individual access array		RAID 1 Mirrored pair
	RAID 1/0 Mirrored RAID 0 group		RAID 3 Parallel access array
	RAID 5 Individual access array		Disk Individual unit
	Hot Spare Global hot spare

The image in a Ghost LUN icon is always light grey and contains the letter G for Ghost, as shown in the following icon for a Ghost RAID 5 LUN:

In a Non-Ghost LUN icon, the color of the image and the letter it contains indicate either the utilization level or the operational state of the LUN as follows, depending on whether Data Organizer is in Performance or Status mode.

Table 2-2. Non-Ghost LUN icons in Performance mode

Table 2-3. Non-Ghost LUN icons in Status mode¹

LUN Names

The default name for a LUN has the following format:

hostname - device_name - LUN_ID

where

To assign a custom name to a LUN

1. Select the icon for the LUN whose name you want to change.
2. Do one of the following:

Either

Click the Name LUN button on the toolbar in the LUN Management window (LUN Management window) or LUN Group Administration window (Using the Host Administration window.)

Or

From the menu bar in the LUN Management window (LUN Management window), select the menu option
LUN ® Change Name ® Custom.

NOTE: You cannot change the name of a hot spare.

LUN Group icons

The icon for a Non-Ghost LUN Group or a Ghost LUN Group consists of an image and a LUN Group name.

LUN Group icon images

The image is the same for either group type, except for its color and the letter it contains. A Ghost LUN Group icon is always dimmed and grey, and contains the letter G for Ghost. A Non-Ghost icon can be different colors and contains the letter F, H, L, M, N, or T.

Figure 2-4. Sample LUN Group icons

In an icon for a Non-Ghost LUN Group, the color of the image and the letter it contains indicate either the utilization level or the operational state of the LUN Group, depending on whether Data Organizer is in Performance or Status mode.

Table 2-4. Non-Ghost LUN Group icons in Performance mode

Table 2-5. Non-Ghost LUN Group icons in Status mode

LUN Group names

When you create a LUN Group you can give it whatever name you want.

To change the name of a LUN Group

1. Select the icon for the LUN Group whose name you want to change.



2. Do one of the following:

Either

Click the Name LUN Group button on the toolbar in the LUN Management window

Or

From the menubar in the LUN Management window, select the menu option
Group ® Change Name.

LUN Management window

Figure 2-5. LUN Management window

The LUN Management window lets you perform these operations:

• Modify the host list, which determines the LUNs Data Organizer manages
• Monitor the status of LUNs and LUN Groups
• Create or dissolve LUN Groups
• Add the selected LUNs to or remove them from a LUN Group
• Specify the default name or a custom name for the selected LUN or a custom name for the selected LUN Group
• Manually poll all managed arrays to ensure that all windows reflect the current status of the LUNs on those arrays
• Specify the frequency for automatic polling of managed arrays
• Display the LUN Information window to view cache, configuration, performance, or statistics information for the selected LUNs
• Display the LUN Group Information window to view utilization, I/O request, and throughput information for the selected LUN Groups

Application icon

The Application icon on the left side of the title bar provides overall status of all LUNs and LUN Groups managed by the current Data Organizer session as follows:

Table 2-6. Application icons

Icon	Color	Meaning
	Grey	Data Organizer has detected no failures in any managed LUN or LUN Group.
	Flashing amber	Data Organizer has detected a failure in one or more LUNs or LUN Groups.

Menu bar

From the menu bar you can access these pull-down menus: File, LUN, Group, Options, View, and Help. Many of the menu options are active only when you have selected at least one LUN or LUN Group.

Table 2-7. File menu

Table 2-8. LUN menu

Table 2-9. Group menu

Table 2-10. Options menu

Table 2-11. View menu

Table 2-12. Help menu

NOTE: You cannot print information directly from a Help Browser window. You must copy the information you want to print, paste it into a wordpad document, and then print it from that document.

Toolbar

The buttons on the toolbar give you quick access to many of the operations you can perform using the menu bar. Many of the buttons are active only when you have selected at least one LUN or LUN Group.

To hide or show the toolbar

Select the menu option View ® Show Toolbar.

To display a description of a button's function

Without clicking the mouse button, position the cursor on the button for a few seconds.

The description appears near the button, and also in the status bar.

Table 2-13. LUN information buttons

Button	Name	Click button to
	LUN Performance Information	Display the performance view of the LUN Information window for the selected LUN.
	LUN Cache Information	Display the cache view of the LUN Information window for each selected LUN.
	LUN Configuration Information	Display the configuration view of the LUN Information window for each selected LUN.
	LUN Statistics Information	Display the statistics view of the LUN Information window for each selected LUN.
	Name LUN	Specify a custom name for the selected LUN. You cannot name a hot spare.

Table 2-14. LUN Group operation buttons

Button	Name	Click button to
	New LUN Group	Create a new LUN Group.
	LUN Group Information	Display Group Information window for each selected LUN Group.
	Ungroup LUN Groups	Dissolve the selected LUN Groups into their LUNs.
	Edit LUN Group	Display the LUN Group Administration window so you can edit the selected LUN Groups.
	Name LUN Group	Specify a custom name for the selected LUN Group.

Table 2-15. Array polling buttons

Button	Name	Click button to
	Disable Automatic Polling	Disable automatic polling of managed arrays for status and performance information.
	Poll All Arrays	Survey the managed arrays once for status changes.

Select Host and Select Array filters

The Select Host and Select Array filters let you specify LUNs on a particular array or all arrays connected to a particular server. The resulting selection of LUNs is displayed in the Ungrouped LUNs selection area. These filters do not affect the list of managed hosts. They merely determine the servers that have LUNs on their arrays represented by icons in the Ungrouped LUNs selection area.

To manage all LUNs on all arrays on all managed servers

1. If the Select Host filter contains a hostname instead of "All Hosts," pull down the filter's selection list and select "All Hosts."
2. If the Select Arrays filter contains an array name instead of "All Arrays," pull down the filter's selection list and select "All Arrays."

   Icons for all LUNs that Data Organizer finds on all arrays connected to all managed servers appear in the Ungrouped LUNs selection area.

To manage all LUNs on all arrays on a specific server

1. If the Select Host filter does not contain the name of the server whose LUNs you want to manage, pull down the filter's selection list and select the name of the desired server.




NOTE: If the hostname of the desired server is not listed, go to the Host Administration window (File ® Select Hosts) to add it.



2. If the Select Arrays filter contains an array name instead of "All Arrays," pull down its selection list and select "All Arrays."

   Icons for all LUNs that Data Organizer finds on all arrays connected to selected server appear in the Ungrouped LUNs selection area.

To view all LUNs on a specific array on a specific server

1. If the Select Host filter does not contain the name of the server whose LUNs you want to manage, pull down the filter's selection list and select the name of the desired server.

NOTE: If the hostname of the desired server is not listed, go to the Host Administration window (File ® Select Hosts) to add it.

2. If the Select Arrays filter does not contain the name of the array whose LUNs you want to manage, pull down its selection list and select the name of the desired array.

   Icons for all LUNs that Data Organizer finds on the selected array connected to the selected server appear in the Ungrouped LUNs selection area.

Ungrouped LUNs selection area

The Ungrouped LUNs selection area is where you select the LUNs on which you want to perform operations. It contains a LUN icon for each LUN that is not in a LUN Group and is on the arrays on the servers specified by the Select Host and Select Array filters.

NOTE: You cannot perform operations on Ghost LUNs.

To select an Ungrouped LUN

Click the icon for the Ungrouped LUN.

A black box appears around the icon, indicating that you selected it.

To select an Ungrouped LUN and display the LUN menu

With the right mouse button, select the icon for the Ungrouped LUN.

A black box appears around the icon, indicating that you selected it, and the LUN menu (without the Remove From Group option) drops down on the right of the icon.

To select multiple Ungrouped LUNs

Either

Hold down the Control key and select the icons for the Ungrouped LUNs you want to select.

Or

Drag the cursor around the icons for the Ungrouped LUNs that you want to select.

A black box appears around each of the icons, indicating that you selected them.

LUN Groups selection area

The LUN Groups selection area is where you select the LUN Groups on which you want to perform operations. It contains a LUN Group icon for each LUN Group.

NOTE: You cannot perform operations on a Ghost LUN Group.

To select a LUN Group

Click the icon for the LUN Group.

A black box appears around the icon, indicating that you selected it.

To select a LUN Group and display the Group menu

With the right mouse button, select the icon for the LUN Group.

A black box appears around the icon, indicating that you selected it, and the Group menu drops down on the right of the icon.

To select multiple LUN Groups

Either

Hold down the Control key and select the icons for each LUN Group you want to select.

Or

Drag the cursor around the icons for the LUN Groups that you want to select.

A black box appears around each of the icons, indicating that you selected them.

Grouped LUNs selection area

The Grouped LUNs selection area is where you select the Grouped LUNs on which you want to perform operations. It contains a LUN icon for each LUN in a selected LUN Group.

NOTE: You cannot perform operations on Ghost LUNs.

To select a Grouped LUN

Click the icon for the Grouped LUN.

A black box appears around the icon, indicating that you selected it.

To select a Grouped LUN and display the LUN menu

With the right mouse button, select the icon for the Grouped LUN.

A black box appears around the icon, indicating that you selected it, and the LUN menu (without the Add To Group option) drops down to the right of the icon.

To select multiple Grouped LUNs

Either

Hold down the Control key and select the icon for each Grouped LUN you want to select.

Or

Drag the cursor around the icons for the Grouped LUNs that you want to select.

A black box appears around each of the icons, indicating that you selected them.

Status bar

The status bar in the LUN Management window contains a Global Performance button, a Global Status button, and three informational fields.

To hide or show the status bar

Select the menu option View ® Show Statusbar.

Global Performance button

The color of the Global Performance button and the word it contains indicate of the overall load imposed on all managed LUNs as follows:

Table 2-16. Global Performance button

Button	Color	Utilization of LUNs	Use button to
	Grey	All LUNs are at 0 to 49%.	Display a window that confirms the low utilization of all managed LUNs.
	Grey with yellow box	No LUNs are at greater than 79%.	Display a window that lists the percentage of utilization for each LUN with a medium utilization level. The list also includes the percentage of utilization for each disk module with a medium utilization level in the LUNs.
	Red	At least one LUN is at 80 to 100%.	Display a window that lists the percentage of utilization for each LUN with a high or medium utilization level. The list also includes the percentage of utilization for each disk module with a high or medium utilization level in the LUNs.

Global Status button

The color of the Global Status button and the word it contains indicate the overall operational status of all managed LUNs as follows:

Table 2-17.Global Status button

Botton	Color	State of LUNs	Click button to
	Grey	All managed LUNs are operating normally or in transitional states, such as incorporating a hot spare.	Display a window that confirms the normal operation of all managed LUNs.
	Grey with blue box	At least one LUN is currently binding and all the bound LUNs are operating normally.	Display a window that lists the LUN and their disk modules that may have failed.
	Amber	At least one LUN is faulted. Some LUNs may be currently binding	Display a window that lists each LUN that may be faulted and each LUN that is currently binding. The list also includes the faulted disk modules in each faulted LUN.

Information fields

The left information field displays two types of information. When Data Organizer polls a managed array, this field displays a message stating that Data Organizer is polling. When you position the cursor over a button in the toolbar, Data Organizer displays a brief description of the button's function in this field.

The middle information field displays the current value for the automatic polling interval.

The right information field displays the Data Organizer mode, that is, Performance Mode or Status Mode.

LUN Group Administration window

Figure 2-6. LUN Group Administration window

The LUN Group Administration window lets you performs these operations:

• Create and dissolve LUN Groups.
• Add LUNs to or remove them from LUN Groups.

NOTE: You can also perform these operations using options from the Group or LUN menus in the LUN Management window. Using these menu options can be quicker because they often let you perform fewer actions to complete the operation. When you perform an operation with one of these menu options, you cannot view the LUNs that make up a group as you can when you perform it from the LUN Group Administration window.

To display the LUN Group Administration window

Either

Select a LUN Group, and follow the menu path Group ® Edit.

Or

Follow the menu path Group ® New, enter the name for a new LUN Group in the window that opens, and click the OK button.

Ungrouped LUNs Information area

The Ungrouped LUNs Information area is where you select the Ungrouped LUNs on which you want to perform operations. It consists of a Select Host filter, a Select Array filter, and an Ungrouped LUNs selection area.

Select Host and Select Array filters

The Select Host and Host Array filters let you represent, in the Ungrouped LUNs selection area, only LUNs on a particular array or set of arrays connected to a particular server. These filters do not affect the list of managed hosts. They merely determine the servers that have LUNs on their arrays represented by icons in the Ungrouped LUNs selection area.

Ungrouped LUNs selection area

The Ungrouped LUNs selection area contains an icon for each LUN that is not in a LUN Group and is on the arrays on the servers specified by the Host and Array filters.

NOTE: You cannot add a hot spare to a LUN Group; therefore, icons for hot spares never appear in the Ungrouped LUNs Information area.

LUN Groups Information area

The LUN Groups Information area is where you select the LUN Group on which you want to perform operations. It consists of a Group Name filter and a Grouped LUNs selection area.

Group Name filter

The Group Name filter lets you select the LUN Group that you want to edit. When you create a new LUN Group using the New Group button, the name that you enter for the new group appears in the Group Name filter.

Grouped LUNs selection area

The Grouped LUNs selection area contains an icon for each Grouped LUN currently in the LUN Group selected by the Group Name filter. It also contains an icon for each Ungrouped LUN that you have moved into the area from the Ungrouped LUNs selection area.

Buttons

The LUN Group Administration window has move icon buttons and operation buttons.

Table 2-18. Move icon buttons

Button	Name	Use to
	Right Arrow	Move the selected LUN icons from Ungrouped Icon selection area to Grouped LUNs selection area.
	Left Arrow	Move the selected LUN icons from Grouped LUNs selection area to Ungrouped LUNs selection area.

Table 2-19. Operation buttons

Button	Use to
	Accept the changes you made, and close the window. Changes are saved when you exit the current Data Organizer session.
	Cancel any changes you made, and close the window.
	Accept the changes for all LUN Groups, and leave the window open.
	Return to the LUN Group configuration that existed when you opened the LUN Group Administration window for the selected LUN Group.
	Create a new LUN Group.
	Dissolve the selected LUN Group into its LUNs.
	Display information about the LUN Group Administration window.

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