HP StorageWorks XP Tiered Storage Manager User Guide Part number: T1785-96002 First edition: 11/2005 Revision history (start here) 1
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Contents Revision history (start here) Revision tables ..................................................................................................................................................... 10 1 Using Tiered Storage Manager 1-1 Functions of Tiered Storage Manager....................................................................................................... 11 1-1-1 Migrating Data without Interrupting Your Current Application ........................................................
6-4 Creating a Migration Group based on a Storage Tier Volume Search...................................................... 53 7 Performing a Migration 7-1 About Migration Tasks............................................................................................................................... 57 7-1-1 Attributes of Migration Tasks .......................................................................................................... 57 7-1-2 Status of Migration Tasks ........................
Figures Figure 1-1 Scope of Data Eligible for Migration ......................................................................................................... 12 Figure 1-2 Data Migration according to Life Cycle Management............................................................................... 12 Figure 1-3 Migration Suited to the Life Cycle of Data ................................................................................................ 14 Figure 1-4 Migration in the Domain Controller ....
Figure 10-4 Migration Group Detailed Information-Migration Group Name Pop-up Window..................................... 80 Figure 10-5 Add Volume-Migration Group Name Pop-up Window ............................................................................ 81 Figure 10-6 Add Volume-Migration Group Name Pop-up Window Displaying Volume Search Result List ............... 81 Figure 10-7 Add Volume-Confirmation Window..............................................................................................
Tables Table 1 Document Conventions.................................................................................................................................. 8 Table 2 Revisions ..................................................................................................................................................... 10 Table 1-1 Required Migration Components ...............................................................................................................
About this guide This guide provides information about: • An overview of migration (the process of relocating data on a volume to another storage subsysytem). • Instructions on performing a migration from a Web client using HP StorageWorks XP Tiered Storage Manager.
Revision history (start here) TIP: Provides helpful hints and shortcuts. HP technical support Telephone numbers for worldwide technical support are listed on the HP web site: http://www.hp.
Revision history (start here) Revision tables Table 2 Revisions Date Edition Revision November 1, 2005 First About this guide 10
1 Using Tiered Storage Manager This chapter explains the features of Tiered Storage Manager, describes the objects and timing associated with migration (which is a main function of Tiered Storage manager), lists volume filter conditions, and documents the procedure for refresh operations.
Figure 1-1 Scope of Data Eligible for Migration Figure 1-2 Data Migration according to Life Cycle Management 1-1-1 Migrating Data without Interrupting Your Current Application When you use Tiered Storage Manager to migrate data, you do not have to be aware of changes to the storage configuration or to the volume containing the data being migrated. You can access the migrated data in the same way as before migration. Even during migration, you do not have to interrupt an application.
1-1-2 Grouping and Migrating Volumes You can define a group of storage volumes in advance, so that they are migrated at the same time. By giving the group an appropriate name , and by setting an explanation of the group as an attribute, you can easily identify the group of volumes to be migrated. You can also prevent a group of volumes from migrating accidentally by disabling migration for that group.
Figure 1-3 Migration Suited to the Life Cycle of Data 1-2-2 When Improving Storage Performance You can migrate data to improve storage performance if multiple volumes with high-access frequency in the same array group become overloaded, if a storage subsystem reaches a bottleneck, or if data outlives the life of the storage system.
Using Tiered Storage Manager Figure 1-5 Migrating Data to Redistribute Access Load (before migration) Figure 1-6 Migrating Data to Redistribute Access Load (after migration) Figure 1-7 illustrates migrating data by rearranging the storage subsystems.
Figure 1-7 Migration by Rearranging Storage Subsystems After you have installed a higher performance storage subsystem, you can migrate data with a high usage frequency to high-performance storage. Figure 1-8 illustrates migration from an external storage subsystem to the domain controller.
Figure 1-9 Migration Between Two External Storage Subystems Tiered Storage Manager allows you to migrate data located on a volume within the scope eligible for migration without being aware of the change in LDEV number. After performing a migration, Tiered Storage Manager changes the LDEV number automatically so that you do not have to change the access path to the host, which prevents any interruption of an application service. Tiered Storage Manager migrates data in units of volumes.
Figure 1-10 Relationship between Volumes and LDEV Numbers 1-4 Methods of Migration This section describes three methods of migration: • Migration within a domain control storage subsystem. • Migration between a domain control storage subsystem and an external storage subsystem. • Migration between two external storage subsystems. 1-4-1 Migration within a Domain Control Storage Subsystem You can migrate data within a control storage subsystem to distribute access load, as shown in Figure 1-11 below.
Figure 1-11 Migration within a Domain Control Storage Subsystem 1-4-2 Migration Between Domain Control Storage and External Storage Subsystems Using Tiered Storage Manager You can migrate data from a domain control storage subsystem to an external storage subsystem, or from an external storage subsystem to a domain control storage subsystem. You do this when a high-performance storage subsystem has been added. Figure 1-12 illustrates this method of migration.
Figure 1-13 Migration Between Two External Storage Subsystems 1-5 Required Components of Migration The following four components are required for migration in Tiered Storage Manager. Table 1-1 describes these components and their related operations and refers you to chapters or sections in this manual where you can find more detailed information.
Table 1-1 Required Migration Components Required Component the migration group with a migration target volume in the storage tier and specifying options. Operation Chapter or Section • • 11-5 Deleting a migration task Canceling a migration task before executing it IMPORTANT: Whenever you change storage configurations or migrate data using Tiered Storage Manager, you must perform a refresh. Refresh is an operation that updates your information. (For more information, see Section 1-7 ).
Table 1-2 Tiered Storage Manager Operations and Related User Types Operation Migration task Delete Volume Change Attribute Information Delete Create Reference Detailed Information Reference Search List Execute Delete Cancel System Administrator or Storage Administrator Guest Y Y N N Y Y Y N # N Y Y Y Y Y Y N N N Legend: Y ― Can operate N ― Cannot operate # ― On a CLI client, you can create a migration task even when the user type is Guest.
• Repository for Device Manager: Manages system and hardware information about storage subsystems managed by Device Manager. • Repository for Command View XP AE Suite Common Component: Common to all Command View XP AE Suite software. It manages data displayed in display areas common to Web client series products. If a Web client or CLI client gives an instruction to perform a refresh, this repository does not change.
The refresh scope of Device Manager is the domain controllers that contain the storage domain that is the refresh target of Tiered Storage Manager. For details on performing a refresh to synchronize information in the storage systems with the repository for Device Manager, see 1.6.4 Refreshing Device Manager Repositories.
The refresh scope on Device Manager is the domain controllers that make up the storage domain that is the refresh target on Tiered Storage Manager. 1-8 Volumes Used for Migration Migration source and target volumes must satisfy the following conditions in a migration using Tiered Storage Manager: • The emulation types of the migration source volumes and migration target volumes match. • The sizes of the migration source and migration target volumes match.
Character string displayed Description Migration source volume Migration target volume Continuous Access XP (target) Volume that makes up a Continuous Access XP pair and whose status is PSUS or PSUE -- Y Continuous Access XP Status Volume that makes up a Continuous Access XP pair and whose status is neither PSUS nor PSUE Y Y Business Copy XP (target) Volume that makes up a Business Copy XP pair -- Y Business Copy XP Configuration [Root] Volume that makes up a Business Copy XP pair (This is
Figure 1-14 Migration of LUSE Configuration 27
2 Getting Started with the GUI This chapter describes getting started using Tiered Storage Manger with the Web client GUI.
However, the language being used by the OS and browser determines the language used for the Browse button, which is displayed in the Tiered Storage Manager version information dialog box, as well as the language used for the license file selection dialog box, which you open by clicking the Browse button. An error message might contain text that remains unchanged after being received from the Device Manager server.
Figure 2-1 Tiered Storage Manager Main Window 2-3-2 Logging In from another Command View XP AE Suite Software You can log into Tiered Storage Manager by performing the Link-and-Launch operation from a Web client of another Command View XP AE Suite software (such as Device Manager or Tuning Manager). In this case, you do not have to specify the user ID and password. To log into Tiered Storage Manager from another product, do the following: 1.
Figure 2-2 Main Window with List Objects Subwindow 2. Select the function you want to use from the list in the List Objects subwindow (in the Information frame on the right) or from the list in the Object Tree (in the Navigation frame on the left). 2-6 Using Tiered Storage Manager Windows This section describes the components of the Tiered Storage Manager windows and their associated tasks (see Figure 2-3).
Use the Navigation frame to select an operation in Tiered Storage Manager. When you select an operation in this frame, the method and information frames display a subwindow that allows you to start the operation. Method Frame (section 2-6-3 ) Use the Method frame to select an operation. When you select an operation in this frame, the information frame displays the associated subwindow. The Method frame may also display a pop-up dialog box.
Tasks Select Tasks to display a subwindow in the method and information frames that allows you to start managing tasks. 2-6-3 About the Method Frame Use the Method frame to select an operation. When you select an operation in this frame, the information frame displays the associated subwindow. The Method frame may also display a pop-up dialog box. The Method frame includes the following components: Subwindow Name The name of the subwindow displays in the top left corner.
Subwindow Name The name of the subwindow displays in the top left corner. Help Click Help to display more detailed information about the relevant frame. 2-6-5 About Pop-up Dialog Boxes Pop-up dialog boxes display detailed information or commands for performing operations with Tiered Storage Manager, as shown in Figure 2-5.
3 Creating a Storage Domain This chapter describes how to create a storage domain. • About Storage Domains (section 3-1 ) • Storage Domains and Migration Groups (section 3-2 ) • Creating a Storage Domain (section 3-3 ) For information on displaying a list of storage domains, changing attribute information and deleting storage domains, see 8 .
3-3 Creating a Storage Domain You can create a storage domain as a migration range. When creating a storage domain, you must specify a domain controller. When there are no addable domain controllers, an error is displayed. If an attempt to create a storage domain fails, re-create the storage domain. After a storage domain is created, Tiered Storage Manager automatically starts to perform a refresh. Sometimes the refresh fails, but if this happens, perform the refresh again. To create a storage domain: 1.
5. Click the Close button. Information about the storage domain is refreshed, and the navigation frame refreshes. If a storage domain list was displayed in the information frame, it is updated. About UTF-8 Characters The maximum number of characters you can enter in the Name and Description columns is limited to the specified number of permitted bytes in UTF-8 encoding. One ASCII character equals 1 byte in UTF-8. Other characters are from 1 to 3 bytes in UTF-8.
4 Creating a Storage Tier This chapter describes creating a storage tier and includes the following sections: • About Storage Tiers (section 4-1 ) • Storage Tier Operations (section 4-2 ) • Creating a Storage Tier by Selecting the Storage Tiers Object from a Storage Domain (section 4-3 ) • Creating a Storage Tier Based on a Storage Domain Volume Search (section 4-4 ) For information about viewing a list of storage tiers, searching volumes and changing attribute information, see 9.
Figure 4-1 Storage Tiers and Volumes Relationship When you delete a storage domain, the storage tiers within the deleted storage domain are also deleted at the same time. Volumes within the storage tiers and migration tasks that are related to the storage tiers are not deleted, however. When an operational targeted storage tier belongs to a storage domain that is being refreshed, you cannot operate the storage tier.
Creating a Storage Tier Figure 4-2 Creating a Storage Tier Pop-up Window 3. Enter the information required to create a storage tier in the Create Storage Tier pop-up window. Name (required) Enter a storage tier name. The storage tier name must be unique within that storage domain and up to 75 bytes of UTF-8 characters. You can use non-ASCII characters, and the following ASCII characters: A to Z a to z 0 to 9 - _ .
Figure 4-3 Filter Condition Pop-up Window 5. Specify filter conditions by entering the following information: Search Type Select And or Or as the search type. Condition n# Specify the volume filter conditions. You can select an array group name, disk type, and other conditions from a pull-down menu. To add a filter condition, click the Add Condition button. To remove a filter condition, click the Remove button. To re-order the filter conditions, click the or the button.
8. Click the OK button. A dialog box displays asking whether you want to complete creating the storage tier. 9. Click OK to create a new storage tier. The results are displayed in the Create Storage Tier-Result pop-up window. 10. Click the Close button. About UTF-8 Characters The maximum number of characters you can enter in the Name and Description columns is limited to the specified number of permitted bytes in UTF-8 encoding. One ASCII character equals 1 byte in UTF-8.
To re-order the filter conditions, click the or the button. # n indicates the filter condition number. For example, if Condition 1 is displayed, clicking the Add Condition button displays Condition 2 as the added filter condition. 5. In the Search Volumes-Storage Domain Name subwindow, click the Show Volume List button. The Search Volumes-Storage Domain Name subwindow redisplays, and includes a list of volumes that meet the filter conditions you just specified.
The maximum number of characters you can enter in the Name and Description columns is limited to the specified number of permitted bytes in UTF-8 encoding. One ASCII character equals 1 byte in UTF-8. Other characters are from 1 to 3 bytes in UTF-8.
Tiered Storage Manager allows you to specify and apply filter conditions to help you identify and classify data you are migrating more easily. You can specify up to 30 volume filter conditions, using various types of attributes of volumes in a storage subsystem as condition elements. For volume filter conditions, the condition elements that can be used in a Web client are as follows: • Creating a storage tier in a storage domain. Specify volume filter conditions when creating a storage tier.
Table 5-1 Filtering Condition Elements and Values (1 of 3) Purpose Condition Elements application server (search for volumes used by a host) Operators Values is not starts with contains conversion) You cannot specify blank characters. Multiple items cannot be specified. You cannot use a host name that is not registered in Device Manager. If is or is not is specified: You cannot specify space characters at the start or end of this item.
Table 5-1 Filtering Condition Elements and Values (1 of 3) Condition Elements Operators Values is not starts with contains conversion).
Table 5-1 Filtering Condition Elements and Values (1 of 3) Condition Elements Purpose Operators Values • • • • • • • • Filter by SLPR number SLPR Number Filter by CLPR number CLPR Number is is not is is not OPEN-V OPEN-L OPEN-M OPEN-E OPEN-K OPEN-9 OPEN-8 OPEN-3 Enter a number from 0 to 31 to indicate an SLPR number. Enter a number from 0 to 31 to indicate a CLPR number. NOTE: • • The range of values displayed in the drop-down list is the range of values in the storage domain.
6 Creating a Migration Group This chapter describes creating a migration group and includes the following sections: • About Migration Groups (section 6-1 ) • Creating a Migration Group by Selecting the Object in a Storage Domain (section 6-2 ) • Creating a Migration Group from Storage Domain Volume Searches (section 6-3 ) • Creating a Migration from Storage Tier Volume Searches (section 6-4 ) For information on how to display a list of migration groups, change attribute information, and add volumes,
The Create Migration Group pop-up window displays, as shown in Figure 6-1. Figure 6-1 Create Migration Group Pop-up Window 3. Enter the following information for the migration group you are creating in the Create Migration Group pop-up window: Name (required) Enter the migration group name. The migration group name must be unique within the storage domain. You can check other migration group names that exist within the same storage domain, by clicking the Show All Migration Groups button.
For Name and Description, the number of entered characters is limited by the specified number of bytes in UTF-8 encoding. In UTF-8, ASCII characters are 1 byte and non-ASCII characters are from 1 to 3 bytes. 6-3 Creating a Migration Group based on Storage Domain Volume Searches To create a migration group based on the result of a storage domain volume search, enter the following information: 1. 2.
Figure 6-3 Create Migration Group-Storage Domain Name Pop-up Window 6. Enter the following information for the migration group you are creating: Name (required) Enter the migration group name. The migration group name must be unique within the storage domain. You can check other migration group names that exist within the same storage domain, by clicking the Show All Migration Groups button. You can enter up to 75 bytes of UTF-8 characters.
Figure 6-4 Create Migration Group-Confirmation Pop-up Window 9. Click the OK button. A new migration group is created and the results are displayed in the Create Migration Group-Result popup window. Click the Close button. UTF-8 Encoding For Name and Description, the number of entered characters is limited by the specified number of bytes in UTF-8 encoding. In UTF-8, ASCII characters are 1 byte and non-ASCII characters are from 1 to 3 bytes.
Figure 6-5 Search Volumes-Storage Tier Name Subwindow 3. Specify the filter conditions for the volume search: Search Type Select And or Or as the search type. Condition n# Specify the volume filter conditions. You can select an LDEV, a host name, and other conditions from a pull-down menu. To add a filter condition, click the Add Condition button. To remove a filter condition, click the Remove button. To re-order the filter conditions, click the or the button. # n indicates the filter condition number.
Figure 6-6 Create Migration Group-Storage Tier Name Pop-up Window 6. Enter information for the migration group you are creating in the Create Migration Group-Storage Domain Name pop-up window, enter the necessary information. Name (required) The migration group name must be unique within the storage domain. You can check other migration group names that exist within the same storage domain, by clicking the Show All Migration Groups button. You can enter up to 75 bytes of UTF-8 characters.
Figure 6-7 Create Migration Group-Confirmation Pop-up Window 9. Click the OK button. A new migration group is created and the results are displayed in the Create Migration Group-Result popup window. 10. Click the Close button. UTF-8 Encoding For Name and Description, the number of entered characters is limited by the specified number of bytes in UTF-8 encoding. In UTF-8, ASCII characters are 1 byte and non-ASCII characters are from 1 to 3 bytes.
7 Performing a Migration This chapter describes performing a migration, which includes creating a migration task and then executing it. • About Migration Tasks (section 7-1 ) • Migration Task Operations (section 7-2 ) • Steps for Performing a Migration (section 7-3 ) For more information on searching for a migration task, viewing detailed information about a migration task, and executing or deleting a migration task, see 10 .
Table 7-1 Migration Task Status Messages Status Displayed by a CLI client Success Failure Failure.MigrationFailure Failure.DataErasureFailure Cancel Status Displayed by a Web client (contents displayed in parenthesis) Success Failure Cancel • A migration task whose status is not Standby cannot be performed. • When the migration task status is either Active or Standby, none of the storage domain, the storage tier or the migration group can be deleted, nor can the attribute information be changed.
Performing a Migration Figure 7-2 Migration and Operations at a Web client 7-3 Steps for Performing a Migration You can perform migration that is either concurrent to migration task registration or subsequent to migration task registration. You can also change the migration target volume before the migration task is registered. IMPORTANT: After you create a migration task, do not change the configuration of volumes in the storage subsystem until the migration task finishes.
Figure 7-3 List Objects-Migration Groups Subwindow 2. Click the Migration button to the left of the name of the migration group you are migrating. The Migrate-Step 1 of 4 pop-up window displays, as shown in Figure 7-4 below, allowing you to select a migration target storage tier. Figure 7-4 Migrate-Step 1 of 4 Pop-up Window 3. Select the target storage tier. In the Migrate-Step 1 of 4 pop-up window, select the radio button that corresponds to the target storage tier name. 4.
Figure 7-5 Migrate-Step 2 of 4 Pop-up Window After Tiered Storage Manager selects, from the selected migration target storage tier, a candidate migration target volume corresponding to each volume in the migration group, the Migrate Step 2 of 4 pop-up window displays a list of volume pairs. This list allows you to modify the migration target volumes. If you do not have to modify the migration target volumes, go to step 10. 5.
• When you finish modifying all intended volumes, go to step 9. • If you want to modify more migration target volumes, go to step 7. 7. Click the Save and Continue button. 8. From the drop-down list for Source Volume of the volume pair, select the LDEV of the migration source volume for which you want to modify the candidate target volume. In the list of candidate migration target volumes, candidate target volumes are displayed for the selected migration source volume, as shown in Figure 7-7 below.
Description Enter a description for the migration group you are creating. You can enter up to 500 bytes of UTF-8 characters. If you enter 501 bytes or more in UTF-8 encoding for Description, an error occurs. 12. In the Migrate-Step 3 of 4 pop-up window, click the Next button. The Migrate-Step 4 of 4 pop-up window displays as shown in Figure 7-9, prompting you to verify the selected migration settings. Check the settings. Figure 7-9 Migrate-Step 4 of 4 Pop-up Window 13.
8 Managing Storage Domains This chapter describes managing storage domains and includes the following sections: • Viewing a List of Storage Domains (section 8-1 ) • Viewing Storage Domain Properties (section 8-2 ) • Searching Volumes in a Storage Domain (section 8-3 ) • Refreshing Storage Domain Information (section 8-4 ) • Changing Storage Domain Attribute Information (section 8-5 ) • Deleting a Storage Domain (section 8-6 ) For information on creating storage domains, see 3 .
• Information about the storage subsystems in the storage domain. This includes the number of storage subsystems in the storage domain. • Information about the storage tiers in the storage domain. This includes the number of storage tiers in the storage domain. • The number of migration groups you can access (the number of migration groups within the storage domain you can access). • The refresh status. The refresh status of the storage domain is displayed by an icon.
Figure 8-3 Search Volumes-Storage Domain Name Subwindow 3. Specify the filter conditions for searching the volumes in the storage domain: Search Type Select And or Or for the search type. Condition n# Specify the volume filter conditions. You can select items such as LDEVs or host names from the pull-down menu. To add a filter condition, click the Add Condition button. To delete a filter condition, click the Delete button. To re-order the filter conditions, click the button or the button.
The following buttons are displayed in the Search Volumes-Storage Domain Name subwindow: Create Migration Group button Click to create a migration group from the volume search results. For more information, see 6-3 . Create Storage Tier button Click to create a storage tier from the volume search results. For more information, see 4-4 . 8-4 Refreshing Storage Domain Information When you perform a migration or change the storage configuration, make sure that you perform a refresh.
• Name of a storage domain. • Number of storage tiers. • Number of migration groups that can be accessed by the logged-on user. • The latest refresh date and time. • Refresh Status. • Description. 8-5 Changing Storage Domain Attribute Information You can change attribute information (name and description) for a selected storage domain.
You can center up to 500 bytes of UTF-8 characters. If you enter 501 bytes or more in UTF-8 encoding for Description, an error occurs. 4. Click the OK button. A dialog box is displayed to confirm the completion of the modifications. Click the OK button to change the attribute information for the storage domain, and display the execution results in the Modify Storage Domain-Result pop-up window. 5. Click the Close button.
Managing Storage Tiers 9 Managing Storage Tiers This chapter describes managing storage tiers, which includes the following: • Viewing a List of Storage Tiers (section 9-1 ) • Viewing Storage Tier Properties (section 9-2 ) • Searching for Volumes in a Storage Tier (section 9-3 ) • Changing Storage Tier Attribute Information (section 9-4 ) • Deleting a Storage Tier (section 9-5 ) • For information on creating storage tiers, see 4 .
• A list of the volumes in the storage tier and details of the volumes (such as the name of the migration group to which the volume belongs, the array group to which the volume belongs, and the RAID Level and emulation type of the volume). To view the storage tier properties: 1. In the navigation frame, select the Storage Tier Name object for which you want to view properties. You can also select the Show Properties method in the method frame.
Managing Storage Tiers Figure 9-4 Migration Group Detailed Information-Storage Tier Name Pop-up Window 9-3 Searching for Volumes in a Storage Tier To search for volumes in a storage tier: 1. In the navigation frame, select the Storage Tiers object that you want to search for volumes. The information frame displays the Show Properties-Storage Tier Name subwindow. 2. In the method frame, select the Search Volumes method. The Search Volumes-Storage Tier Name subwindow displays as shown in Figure 9-5.
# n indicates the filter condition number. For example, if Condition 1 is displayed, clicking the Add Condition button displays Condition 2 as the added filter condition. 4. Click the Show Volume List button. The Search Volumes-Storage Tier Name subwindow redisplays, as shown in Figure 9-6, showing a list of volumes that meets the filter conditions you just specified.
Figure 9-7 Modify Storage Tier-Storage Tier Name Pop-up Window 3. Enter the information you are changing. Name (required) Enter the name of the storage tier. When the Modify Storage Tier-Storage Tier Name pop-up window displays, the current name of the storage tier displays in Name. You can enter up to 75 bytes of UTF-8 characters. You can use non-ASCII characters, and the following ASCII characters: A to Z a to z 0 to 9 - _ .
Managing Storage Tiers Figure 9-8 Edit Filter Condition Pop-up Window 5. Specify the filter conditions. Search Type Select And or Or for the search type. Condition n# Specify the volume filter conditions. You can select items such as LDEVs or host names from the pull-down menu. To increase the number of filter conditions, click the Add Condition button. To delete a filter condition, click the Delete button. To re-order the filter conditions, click the button or the button.
8. Click the OK button. 9. Click the OK button to accept the changes. 10. Click the Close button. UTF-8 Encoding For Name and Description, the number of entered characters is limited by the specified number of bytes in UTF-8 encoding. In UTF-8, ASCII characters are 1 byte and non-ASCII characters are from 1 to 3 bytes. 9-5 Deleting a Storage Tier You can delete a storage tier if it is no longer required.
10 Managing Migration Groups This chapter describes managing migration groups, which includes the following operations: • Viewing a List of Migration Groups (10-1 ) • Viewing Detailed Information about a Migration Group (10-2 ) • Changing Migration Group Attribute Information (10-3 ) • Adding a Volume to a Migration Group (10-4 ) • Removing a Volume from a Migration Group (10-5 ) • Deleting a Migration Group (10-6 ) For more information on creating migration groups, see 6 .
• • - Migration group creation time. • - Name of the user group of the user who last updated the migration group. • - Time at which the migration group was last updated. • - Number of volumes in the migration group. About migration: • - Time at which the last migration was complete. • - Migration status. • - Attribute indicating whether migration is possible. To view detailed information about a migration group: 1. From the navigation frame, select the Migration Group object. 2.
1. From the navigation frame, select the Migration Group object. The information frame displays the List Objects-Migration Groups subwindow. 2. Click the Modify button for the migration group name for which you are modifying attribute information. The Modify Group-Migration Group Name pop-up window displays, as shown in Figure 10-3. Figure 10-3 Modify Group-Migration Group Name Pop-up Window 3.
6. Click the Close button. The List Objects-Migration Groups subwindow redisplays with your modifications. UTF-8 Encoding For Name and Description, the number of entered characters is limited by the specified number of bytes in UTF-8 encoding. In UTF-8, ASCII characters are 1 byte and non-ASCII characters are from 1 to 3 bytes.
Managing Migration Groups Figure 10-5 Add Volume-Migration Group Name Pop-up Window Note that an error window is displayed when the Add Volume button is clicked while the status of a migration task is active or standby. 4. Specify the following to search for a volume: Search Type Select And or Or for the search type. # Condition n Specify the volume filter conditions. You can select items such as LDEVs or host names from the pull-down menu. To add a filter condition, click the Add Condition button.
To add all the volumes, click Select All. To clear all the selected volumes, click Unselect All. 7. Click the Next button. The Add Volume-Confirmation window displays, as shown in Figure 10-7. Figure 10-7 Add Volume-Confirmation Window 8. • To return to the Add Volume-Migration Group Name pop-up window, click the Back button instead of the OK button. • To cancel volume addition, click the Cancel button instead of the OK button. Click the OK button. The Add Volume-Result pop-up window displays. 9.
Managing Migration Groups Figure 10-8 Remove Volume-Migration Group Name Pop-up Window 4. Select the volume you are removing. Select Select All to remove all volumes or Unselect All to unselect all volumes. 5. Click the Next button. The Remove Volume-Confirmation pop-up window displays, as shown in Figure 10-9. Figure 10-9 Remove Volume-Confirmation Pop-up Window 6. Click the OK button. The Remove Volume-Result pop-up window displays.
finishes, and then delete the migration group. You cannot delete a migration group within a storage domain for which information is being refreshed. To remove a migration group: 1. From the navigation frame, select the Migration Group object. The information frame displays the List Objects-Migration Groups subwindow. 2. From the List Objects-Migration Groups subwindow, click the Remove button for the Migration Group Name you are deleting.
11 Managing Migration Tasks This chapter describes managing migration tasks, which includes the following operations: • Searching for a Migration Task (section 11-1 ) • Viewing Detailed Information about a Migration Task (section 11-2 ) • Executing a Migration Task (section 11-3 ) • Deleting a Migration Task (section 11-4 ) • Canceling a Migration Task before Executing It (section 11-5 ) 11-1 Searching for a Migration Task You can begin managing migration tasks by searching for a migration task.
Figure 11-2 List Objects-Tasks Subwindow Displaying a Task List 4. About Storage Domains, Migration Groups, and Target Storage Tier in the List Objects - Tasks subwindow Even if a name displayed in the drop-down list of Storage Domains, Migration Groups, and Target Storage Tier is deleted and then recreated, Tiered Storage Manager does not recognize the recreated name as the same name that was deleted. 5.
Figure 11-3 Task Detailed Information-Task ID Pop-up Window Choosing LDEV from the Task Detailed Information-Task ID pop-up window displays the Volume Detailed Information- Device Number pop-up window (tasks). You can check the details for the chosen source volume or target volume from the Volume Detailed Information- Device Number pop-up window (tasks), shown in Figure 11-4.
The migration task search is executed, and migration tasks that match the set task filter condition display in the Task List. 4. Select the task ID of the task that you want to execute by selecting the check box next to it. 5. Click the Execute button. The Tasks-Processing pop-up window displays. After a migration task completes, the Task-result pop-up window displays and the list of tasks in the information frame is updated.
12 Troubleshooting This chapter includes troubleshooting procedures you can follow if you have problems with Web client for Tiered Storage Manager. It also describes the message and trace logs that are created by the Web client.
#2: For information on the server properties file, refer to the HP StorageWorks XP Tiered Storage Manager Server Installation and Configuration Guide. Problem (displayed message ID) The target storage tier cannot be selected in the Migrate-Step 1 of 4 pop-up window. Progress of migration or data erasure does not proceed. Clicking the Confirm button in the Migrate-Step 4 of 4 popup # window has caused an error.
Table 12-3 Troubleshooting Tiered Storage Manager Functions (continues on the following pages) Problem (displayed message ID) The status of the migration task is Eraser Failure. (KATS62010-E or KATS62011E) Cause Actions is used in Modify mode, the selected volume cannot be reserved for migration. The details of this error are displayed in the Error window. An error occurred during data erasure.
Table 12-3 Troubleshooting Tiered Storage Manager Functions (continues on the following pages) Problem (displayed message ID) Cause Actions The status of the migration task is Failure. (KATS62010-E or KATS62011E) An error occurred during migration. The details of the error are displayed in the Task Detailed Information-Task ID popup window (11-2 Viewing Detailed Information about a Migration Task). Some of the LDEVs that make up the LUSE volume are not included in the same storage tier.
# For details on the Migrate - Step 4 of 4 popup window, see 7-3 Steps for Performing a Migration 12-2 Troubleshooting Procedures If an error occurs while you are using Tiered Storage Manager, follow the troubleshooting procedures shown in Figure 12-1. Figure 12-1 Troubleshooting Procedures When an error occurs, do the following: 1. Check the status of the error. Check the status of the error at the time the error occurred. If a message is displayed, check the message and take the appropriate action. 2.
12-3-2 Trace Logs Trace logs contain information that is collected when an error occurs in order to determine how the error occurred. They include a name and an output destination folder, as shown in Table 12-5. Table 12-5 Trace Log Type of Log Information GUI trace log Log File Name HTSMGuiTracen.
Appendix A Recommended and Maximum Values This appendix describes the recommended and maximum values for Tiered Storage Manager operations, as shown in Table A.1.
Acronyms and Abbreviations CLI CLPR CVS command line interface cache logical partition concurrent versions system DLCM Data Lifecycle Management GB GUI Gigabyte graphical user interface HTSM HP StorageWorks XP Tiered Storage Manager KB kilobyte LAN LDEV LPAR LU local area network logical device logical partition logical unit MB megabyte NAS network area storage OS operating system PSA partition storage administrator RAID redundant array of independent (or inexpensive) disks SA SAN SLRP
Index A E access load distribution, migration for, 15 adding volume to migration group, 80 elements: of Tiered Storage Manager required for migration, 20 Elements of Filter Conditions Specified When Filtering Volumes, 45 example of pop-up dialog box, 34 example of subwindow displayed in information frame, 33 examples: of migration, 18 Examples of creating a storage tier, 38 executing migration task, 87 external storage connection function, 13 external storage subsystems: migration between, 19; migration
refresh, 22; status, 24 refresh, mechanics of, 22 refresh, when to, 23 refreshing: operations allowed during refresh, 67; storage domain, 67 removing: volume from migration group, 82 repository: for Common Component, 23; for Device Manager, 23; for Tiered Storage Manager, 22 restrictions: on migration, 25 searching volumes, 65; viewing list of, 64; viewing properties of, 64 Storage Domain, 35 storage environment, changing, 16 storage performance, 14 storage tier: changing attribute information, 73; creatin
