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Hitachi Vantara Knowledge

Working with service plans

Each namespace has a service plan that defines both a storage tiering strategy and a data protection strategy for the objects in that namespace. At any given point in the lifecycle of an object, its storage tiering strategy specifies the types of storage on which copies of that object must be stored, and its data protection strategy specifies the number of object copies that must be stored on each type of storage.

A service plan is a named specification of HCP service behavior that determines how HCP manages the storage of the data and metadata for objects in a given namespace. For example, the service plan for a namespace could specify that the Storage Tiering service should move objects from primary running storage to primary spindown storage 30 days after they’re stored and specify that the Protection service should ensure that HCP maintains two copies of the data for each object that exists on primary spindown storage. Service plans enable you to tailor a storage tiering strategy and a data protection strategy for each tenant and its namespaces based on specific storage usage patterns or business needs.

You can create any number of service plans on an HCP system and configure each plan to use up to four different storage tiers, including the ingest tier (primary running storage or S Series storage). You can then offer a wide variety of service plans to tenant administrators in order to meet the business needs of each tenant.

You can use the Storage page in the System Management Console to create, modify, retire, and delete service plans. You can also use the Storage page to monitor the usage of all primary spindown storage and extended storage tiers that are defined by any given service plan.

To display the Storage page, in the top-level menu of the System Management Console, click Storage.

Note

To view existing service plans and monitor storage usage for storage tiers defined for one or more service plans, you need the monitor or administrator role. To create, modify, retire, and delete service plans, you need the administrator role.

Creating a service plan

Before you begin

To view existing service plans and monitor storage usage for storage tiers defined for one or more service plans, you need the monitor or administrator role. To create, modify, retire, and delete service plans, you need the administrator role.

Procedure

  1. On the left side of the Storage page, click the Service Plans tab.

  2. At the top of the Service Plans panel, click Create Service Plan.

    The Create Service Plan wizard opens.

  3. On the Name page in the wizard, use the applicable fields to specify a name for the new service plan and, optionally, a description for the service plan.

    A service plan name must be from one through 64 characters long, can contain only alphanumeric characters, hyphens (-), and underscores (_), and are not case sensitive.

    A service plan description can be up to 1,024 characters long and can contain any valid UTF-8 characters, including white space

  4. Click Next.

    On the Import page in the wizard, you are given the option to import the configuration for an existing service plan into the service plan you’re creating. When you import the configuration for an existing service plan, the storage tiers that are configured for that plan are automatically defined in the new plan. You can then use the imported service plan configuration as a starting point to configure each of the tiers you want to define in the service plan.

    If you want to import the configuration for an existing service plan into the new service plan you’re creating, check the box next the existing service plan you want to import.

  5. Click Next.

  6. On the Review page in the wizard, review the information you entered in the wizard.

  7. Perform one of the following options:

    • If the information you entered is correct, click Finish.

    • If the information is incorrect, use the Previous and Next buttons to navigate through the pages of the wizard and make the changes you want. When you’re satisfied with the configuration settings you’ve entered, click Finish.

    When you click Finish, the wizard exits, and the Storage page displays the Tiers panel on the service plan configuration page for the service plan that you’ve just created.

    You can use the Tiers panel to add one or more new tiers to the service plan configuration. If you chose to import the configuration from another service plan into the new plan you created, you can also delete or modify any of the existing tiers that were imported from that plan.

  8. If you’re satisfied with the storage tiers that are configured for the new service plan, you can click the Tenants tab at the top of the page and use the Tenants panel to assign the service plan to one or more tenants.

Modifying a service plan

You can use the Service Plans panel on the Storage page to view and modify the configuration of any existing service plan. At any time, you can modify any service plan to:

  • Change the service plan name or description. Note that when you change the name, the original name remains associated with any applicable tenants and namespaces. The result is that these tenants and namespaces are associated with an undefined service plan, and HCP uses the Default service plan for them. If you subsequently create a new service plan with the original name, that plan then applies to those tenants and namespaces.
  • Change the ingest tier.
  • Add one or more new storage tiers to the storage tiering strategy that’s defined in the service plan.
  • Delete one or more existing storage tiers from the plan.
  • Change any configuration settings used for any given storage tier that’s defined in the service plan.

    When you change the storage tiering strategy or the data protection strategy that’s defined in a service plan, objects that complied with the original service plan requirements may not be in compliance with the new ones. The next time the Storage Tiering service processes such an object, the service moves, copies, deletes, or changes the object as needed to comply with the new storage tiering strategy and/or to comply with the new data protection plan.

  • Assign the service plan to one or more tenants.
NoteWhen you assign a service plan to an existing tenant, that service plan replaces the one that was previously in effect for the tenant. Similar to a change in the configuration for an existing service plan for a namespace, when you change the service plan that’s assigned to a tenant, the new storage tiering strategy and data protection strategy do not take effect until the next time the Storage Tiering service runs.

Modifying basic configuration settings for a service plan

You can modify the basic configuration settings for any service plan to change either the name or the description that’s used for the service plan.

Before you begin

To view existing service plans and monitor storage usage for storage tiers defined for one or more service plans, you need the monitor or administrator role. To create, modify, retire, and delete service plans, you need the administrator role.

Procedure

  1. On the left side of the Storage page, click the Service Plans tab.

  2. On the Service Plans panel, click the table row that corresponds to the service plan for which you want to configure a new storage tier.

  3. At the top of the panel that opens, click the Settings tab.

  4. On the Settings panel, use the applicable fields to change the service plan name or to specify a new description for the service plan.

  5. At the bottom of the page, click Update Settings.

Adding a storage tier to a service plan

You configure any storage plan to define up to four different storage tiers, including the ingest tier.

Before you begin

To view existing service plans and monitor storage usage for storage tiers defined for one or more service plans, you need the monitor or administrator role. To create, modify, retire, and delete service plans, you need the administrator role.

Procedure

  1. On the left side of the Storage page, click the Service Plans tab.

  2. On the Service Plans panel, click the service plan for which you want to configure a new storage tier.

  3. At the top of the panel that opens, click the Tiers tab.

  4. On the Tiers panel, click Add Tier.

    The Add Tier wizard opens.

  5. On the Transition page in the wizard, use the appropriate fields to set these transition criteria:

    • The object age (number of days since ingest) at which one or more copies of the object data must be moved from the previous tier onto this tier.
    • For service plans that define exactly two tiers, including the ingest tier, whether a threshold will be applied to the second tier, and if so, the percentage of primary running storage capacity that must be used (the threshold) before object data can be moved to the second storage tier.
    • For HCP systems with replication enabled, whether objects must be fully replicated before they can be transitioned from the previous tier onto this tier. If replication is disabled for the HCP system, this transition criterion does not appear in the HCP System Management Console.
  6. Click Next.

  7. On the Options page in the wizard, use the applicable fields to specify:

    Whether to enable rehydration for the new storage tier, and if so, the number of days an object must remain on the ingest tier after it’s rehydrated

    Whether to make this storage tier metadata-only

  8. Click Next.

  9. Take one of these actions:

    • If in step 7 above, you did not select the option to make this tier metadata-only, on the Storage Pools page:
      • The wizard displays a table containing a list of all of the storage pools that you can include in the storage tier, along with a check box that corresponds to each storage pool in the list. Use the checkboxes in the left column in the table to select one or more storage pools to be included in the tier.
      • A dropdown list box appears next to the name of each storage pool you select. Use these fields to specify the number of copies of object data that HCP must maintain on each storage pool for each object that’s moved to the storage tier you’re configuring. The total number of copies of object data that must be stored on each pool is the DPL for the storage tier.
      • In the Metadata Copies on Primary Storage field, specify the primary running storage MPL for the new tier. This is the number of copies of the object metadata that HCP must maintain on primary running storage for each object that’s moved to the new storage tier.
      • At the bottom of the page, select I Understand to indicate that you understand the consequences of moving all copies of the object data to the new tier.
    • If in step 7 above, you selected the option to make this tier metadata-only, on the Storage Pools page:

      • In the Metadata Copies on Primary Running Storage field, specify the primary running storage MPL for the new tier. This is the number of copies of the object metadata that HCP must maintain on primary running storage for each object that’s moved to the new storage tier.
      • Select I Understand to indicate that you understand the consequences of moving all copies of the object data to the new tier. In this case, this statement means that you understand that the DPL of the new tier is zero, so all copies of the object data will be deleted for each object that’s moved to the new tier.
  10. Click Next.

  11. On the Review page in the wizard, review the storage tier configuration settings that you specified in the wizard.

  12. Take one of the following options:

    • If the information you entered is correct, click Finish.
    • If the information is incorrect, use the Previous and Next buttons to navigate through the pages of the wizard and make the changes you want. When you’re satisfied with the configuration settings you’ve entered, click Finish.

    When you click Finish, the wizard exits, and the Storage page displays the Tiers panel on the service plan configuration page for the service plan for which you’ve just created a new storage tier.

Removing one or more storage tiers from a service plan

Before you begin

To view existing service plans and monitor storage usage for storage tiers defined for one or more service plans, you need the monitor or administrator role. To create, modify, retire, and delete service plans, you need the administrator role.

Procedure

  1. On the left side of the Storage page, click the Service Plans tab.

  2. On the Service Plans panel, click the table row that corresponds to the service plan for which you want to configure a new storage tier.

  3. At the top of the panel that opens, click the Tiers tab.

  4. The Tiers panel opens, showing a list of storage tiers that are currently configured for the service plan. A delete control (trashcan icon ) appears in the row for each storage tier except for the ingest tier.

  5. Click the delete control for any storage tier to delete it from the service plan.

Choose the ingest tier

The default ingest tier for HCP is primary running storage. If you have HCP S Series Node on your HCP system, you can select S Series storage pools as the ingest tier of a service plan. This means that all objects ingested through namespaces under that service plan are written directly to S Series Nodes rather than primary running storage. Regardless of the ingest tier, HCP keeps all object metadata on primary running storage.

If one or more namespaces on the service plan have ingested data through CIFS, NFS, or WebDAV, the service plan ingest tier cannot be changed to HCP S Series. Likewise, NFS, CIFS, and WebDAV cannot be enabled on namespaces that have HCP S Series set as the ingest tier.

Note

The following services do not process objects ingested or tiered to S Series storage: Compression/Encryption, Content Verification, Duplicate Elimination, Shredding, hardware encryption, Capacity Balancing, and Scavenging.

Selecting primary running storage as the ingest tier

Before you begin

To view existing service plans and monitor storage usage for storage tiers defined for one or more service plans, you need the monitor or administrator role. To create, modify, retire, and delete service plans, you need the administrator role.

Procedure

  1. On the left side of the Storage page, click the Service Plans tab.

  2. On the Service Plans panel, click the table row that corresponds to the service plan for which you want to configure a new storage tier.

  3. At the top of the panel that opens, click the Tiers tab.

  4. On the Tiers panel, click the tier you want to modify.

    The Edit Tier wizard opens.

  5. Select Primary running as the ingest tier.

    Selecting Primary running as the ingest tier deselects all HCP S Series options. You cannot have both Primary running and HCP S Series as the ingest tier.

  6. In the Data field, select the number of data copies you want to have in your ingest tier at all times.

  7. In the Metadata Copies on Primary Storage field, select the number of object metadata copies you want to keep on primary running storage at all times.

  8. Click Next.

  9. On the Review page in the wizard, review the storage tier configuration settings that you specified in the wizard.

  10. Choose one of the following options:

    • If the information you entered is correct, click Finish.

    • If the information you entered is incorrect, use the Previous and Next buttons to navigate through the pages of the wizard and make the changes you want. When you're satisfied with the configuration settings you've entered, click Finish.

Selecting S Series storage pools as your ingest tier

Before you begin

To view existing service plans and monitor storage usage for storage tiers defined for one or more service plans, you need the monitor or administrator role. To create, modify, retire, and delete service plans, you need the administrator role.

Procedure

  1. On the left side of the Storage page, click the Service Plans tab.

  2. On the Service Plans panel, click the table row that corresponds to the service plan for which you want to configure a new storage tier.

  3. At the top of the panel that opens, click the Tiers tab.

  4. On the Tiers panel, click the tier you want to modify.

    The Edit Tier wizard opens.

  5. Select the S Series pools you want to target as the ingest tier.

    Note

    Selecting HCP S Series as the ingest tier deselects Primary running. You cannot have both primary running storage and S Series storage as the ingest tier. If you have the CIFS, NFS, or WebDAV protocol enabled on any namespace that's using the service plan, you cannot select HCP S Series as the ingest tier.

  6. From the Data drop down field, select the number of copies you want to have in your ingest tier at all times. You can have a different number of copies for each pool.

  7. From the Primary Storage panel, choose one of the following steps:

    • If you want to remove all data existing on primary running storage prior to the change in ingest tier and move it to your S Series storage, deselect Keep current data on primary.

    • If you want to keep all data existing on primary running storage prior to the change in ingest tier on primary running storage, leave Keep current data on primary selected and select the number of copies of object data you want to keep of that data on primary running storage at all times.

  8. From the Primary Storage panel Metadata dropdown field, select the number of copies of object metadata you want to keep on primary running storage at all times.

  9. Click Next.

  10. On the Review page in the wizard, review the storage tier configuration settings that you specified in the wizard.

  11. Choose one of the following options:

    • If the information you entered is correct, click Finish.

    • If the information you entered is incorrect, use the Previous and Next buttons to navigate through the pages of the wizard and make the changes you want. When you're satisfied with the configuration settings you've entered, click Finish.

Assigning a service plan to one or more tenants

You can configure the service plan for a namespace to assign that service plan to any existing tenant. When you assign a particular service plan to a tenant, that service plan replaces the one that was previously assigned to the tenant.

Similar to a change in the configuration for an existing service plan for a namespace, when you change the service plan that’s assigned to a tenant, the new storage tiering strategy and data protection strategy do not take effect until the next time the Storage Tiering service runs.

Before you begin

To view existing service plans and monitor storage usage for storage tiers defined for one or more service plans, you need the monitor or administrator role. To create, modify, retire, and delete service plans, you need the administrator role.

Procedure

  1. On the left side of the Storage page, click the Service Plans tab.

  2. On the Service Plans panel, click the table row that corresponds to the service plan for which you want to configure a new storage tier.

  3. At the top of the panel that opens, click the Tenants tab.

  4. The Tenants panel, in the Tenants assigned other service plans section, use the checkboxes in the left column in the table to select the tenants to which you want to assign the service plan.

    Note

    You can also use the checkboxes in the Tenants assigned service plan name field to deselect one or more tenants in order to delete those service plan assignments. However, if you do this, the deselected tenants will have no service plan assigned to them, so you’ll have assign new service plans to them. If you want to change the service plan that’s assigned to a specific tenant, you should modify the configuration for that tenant or modify the configuration of the new service plan to assign it to the tenant.

  5. At the bottom of the page, click Update Settings.

Retiring a service plan

You can retire a service plan at any time. When you retire a service plan, the plan remains in effect for all namespaces and tenants to which it is currently assigned. However, a retired service plan is no longer available to be assigned to any new or existing tenants or namespaces.

You can also reactivate a retired service plan at any time to make that service plan available to be assigned to tenants and namespaces once again.

Before you begin

To view existing service plans and monitor storage usage for storage tiers defined for one or more service plans, you need the monitor or administrator role. To create, modify, retire, and delete service plans, you need the administrator role.

Procedure

  1. On the left side of the Storage page, click the Service Plans tab.

  2. On the Service Plans panel, click the table row that corresponds to the service plan for which you want to configure a new storage tier.

  3. At the top of the panel that opens, click the Settings tab.

  4. On the Settings tab, in the Retire service plan section, take one of these actions:

    • If you want to retire the service plan, select Retire.

    • If you want to reactivate the service plan, deselect Retire.

  5. At the bottom of the page, click Update Settings.

Deleting a service plan

You can delete any service plan except the Default service plan at any time. However, in order to delete a service plan that’s assigned to one or more tenants or namespaces, you need to specify a replacement service plan for those tenants and namespaces.

When you delete a service plan, objects to which that plan applied must now comply with the replacement service plan that you specified when you deleted the plan. The next time the Storage Tiering service processes such an object, the service moves or changes the object as needed to comply with the specified replacement service plan.

Before you begin

To view existing service plans and monitor storage usage for storage tiers defined for one or more service plans, you need the monitor or administrator role. To create, modify, retire, and delete service plans, you need the administrator role.

Procedure

  1. On the left side of the Storage page, click the Service Plans tab.

    The Service Plans panel displays a list of service plans that are currently configured on the HCP system. A delete control ( trashcan icon) appears next to each service plan that’s not currently assigned to any tenants or namespaces.
  2. Take one of these actions:

    • If the service plan you want to delete is not currently assigned to any namespaces or service plans, on the Service Plans panel:

      1. Click the delete control ( trashcan icon ) in the table row that corresponds to the service plan you want to delete.
      2. In response to the confirming message, click Delete.
    • If the service plan is associated with one or more tenants or namespaces, on the Service Plans panel:

      1. Click the table row that corresponds to the service plan that you want to delete.
      2. At the top of the panel that opens, click the Manage tab.
      3. On the Manage panel, in the Delete service plan section in the Replacement Service Plan field, select the service plan that you want to assign to all namespaces and tenants that are currently assigned to the service plan you want to delete.
      4. Click Delete Service Plan.

Results

HCP deletes the service plan from the system and assigns the specified replacement service plan to each tenant and namespace to which the deleted service plan was assigned.

 

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