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Hitachi Vantara Knowledge

Working with S Series storage components

HCP uses S Series storage components to:

  • Monitor the general health, read permissions, and write permissions of the storage
  • Manage node settings
  • Add buckets and accounts
  • Suspend or abandon the S Series storage
  • Configure advanced settings

Add an S Series Node to your HCP system

When you add an HCP S Series Node to your HCP system, HCP automatically creates a storage component, a storage pool (if an S Series storage pool does not already exist), and a bucket. A user account is also created. The user account is granted permission to manage buckets and storage pools.

Bucket creation

The bucket that HCP creates when you add an S Series Node is available only to that HCP system. The name of this bucket is:

hcpsrv-hcp-system-name

If a bucket with that name already exists, which can happen if the S Series Node is added to the HCP system a second time, HCP creates a new bucket named:

hcpsrv-hcp-system-name0

Subsequently, each time HCP automatically creates a new bucket on the S Series Node, HCP either increments the numeric suffix on the bucket name by one or reuses an earlier name from a deleted HCP software-created bucket.

User account creation

The user account that HCP creates when you add a S Series Node is:

hcpsrv-hcp-system-name 

If a user account with that username already exists, HCP creates a new user account:

hcpsrv-hcp-system-name0 

Subsequently, each time HCP creates a new user account on the S Series Node, HCP either increments the numeric suffix on the user name by one or reuses an earlier user name from a deleted HCP software-created account.

Creating an S Series storage component

To create an S Series storage component, you need to add an S Series Node to the HCP system.

Before you begin

You must have the HCP administrator role to create an S Series Node storage component.

Procedure

  1. On the Hardware Nodes page, click Add Node.

    The Add Node wizard is displayed.

  2. In the Username field, type a user name for an S Series Node user account with the administrator and security roles.

  3. In the Password field, type the password for the use rname that you specified in step 2.

  4. In the Domain Name field, type the fully qualified domain or virtual IP address of the S Series Node.

    If you receive an invalid connection information error message and you are connecting to the S Series Node through an IP address, disable HTTPS in step 7.

  5. Optional: If Virtual network management is enabled and the Storage Network field is displayed, select the network that you want HCP to use to communicate with the S Series Node.

    If Virtual network management is not enabled, the field does not exist.

  6. Optional: To use HTTP with SSL security for S Series Node management requests, select Use HTTPS for Management.

  7. Optional: To display additional configuration options, click Advanced.

    1. To use HTTP with SSL security for data access requests, select Use HTTPS.

    2. In the HTTPS Port field, type the port you want to use to connect to the end point. Default value: 443.

    3. In the HTTP Port field, type the port you want to use to connect to the S Series Node. Default value: 80.

    4. Optional: To connect to the endpoint, select Use proxy .

    5. In the Proxy Host field, type the hostname or IP address of the proxy server.

    6. In the Proxy Port number field, type the number of the proxy server. Default value: 0.

    7. In the Proxy Username field, type the user name of the proxy server.

    8. In the Proxy Password field, type the password of the proxy server.

    9. In the Proxy Domain field, type the AD domain of the proxy server.

  8. Click Next.

  9. In the Name field, type a name for the S Series Node.

  10. Optional: In the Description field, type a description for the S Series Node.

  11. Click Next.

  12. If the storage represented by the storage component is compliant with the terms and conditions of your service plan, select Compliant.

  13. Take one of the next actions.

    To create a new storage pool and attach the S Series Node to it:

    1. Select Add to new storage pool.
    2. In the Add to new storage pool field, type a name for the new storage pool.
    3. Optional: If you want to compress data in the new S Series storage pool, select Compress Data at Rest.
    4. Optional: If you want to encrypt data on the new S Series storage pool, select Encrypt Data at Rest.
    5. Optional: If you want the Content Verification service to run on the new S Series storage pool, select Content Verification.

    To add the S Series Node to an existing storage pool:

    1. Select Add to existing storage pool.
    2. From the Name field, select the existing storage pool.
    3. Optional: To enable the S Series Balancing service when there are multiple S Series components in a pool, select Enable balancing for this pool.
  14. Click Next.

  15. On the Review page, ensure that the S Series Node is configured to your specifications.

  16. Click Finish.

    If HCP cannot add the S Series Node to the system, the Console displays an error message.

    If the operation failed because the S Series Node user account does not have the administrator or security role, the following message is displayed:

    Unable to create S Series Node. An unexpected error occurred. Please contact your HCP system administrator.

Modifying an S Series storage component

After an S Series Node is added to an HCP system, its storage component is displayed on the Storage Components page. Use the System Management Console to manage and update the S Series Node settings.

Modifying basic component settings

The Settings tab of the S Series Storage Components page shows the name, type, description, storage network (if enabled) and endpoint of the S Series Node. You can modify most of the information on the page.

Procedure

  1. In the HCP System Management Console, open the Storage Components page and select an S Series Node.

    The Storage Node page opens.
  2. Click the Settings tab.

  3. In the Name field, type a new name for the S Series Node.

  4. In the Description field, type a new description for the S Series Node.

  5. If the Storage Network field is visible, select a network for tiering.

  6. In the Domain Name or Virtual IP field, type the new domain or virtual IP address of the S Series Node.

  7. If the S Series Node meets the compliancy expectations of your service plan, select the Compliant checkbox.

  8. Click Update Settings.

Modifying advanced component settings

  1. Go to the Storage Components page.

  2. Click an S Series Node.

  3. On the Storage Node page that opens, click the Advanced tab.

  4. Configure the following options:

    • Use HTTPS

      To use HTTP with SSL security for data access requests, select Use HTTPS.

    • HTTPS Port

      In the HTTPS Port field, type the port you want to use to connect to the S Series Node with SSL requests. The default is 443.

    • HTTP Port

      In the HTTP Port field, type the port you want to use to connect to the S Series Node. The default is 80.

    • Use proxy

      Optionally, select Use proxy to connect to the S Series Node. If you select Use proxy:

      • Proxy Host

        In the Proxy Host field, type the hostname or IP address of the proxy server.

      • Proxy Port

        In the Proxy Port number field, type the number of the proxy server. The default is 0.

      • Proxy Username

        In the Proxy Username field, type the user name of the proxy server.

      • Proxy Password

        In the Proxy Password field, type the password of the proxy server.

      • Proxy Domain

        In the Proxy Domain field, type the AD domain of the proxy server.

    • Connection Timeout (ms)

      In the Connection Timeout (ms) field, type the wait time you want to permit a connection to respond before the connection times out.

    • Socket Timeout (ms)

      In the Socket Timeout (ms) field, type the amount of time you want to wait for data to be transferred over an open connection before the connection closes.

    • Max Connections

      In the Max Connections field, type the max connection pool size.

    • Max Error Retries

      In the Max Error Retries field, type the maximum allowable error retries.

    • User Agent

      In the User Agent field, type the user agent.

    • TCP Send Buffer Size Hint

      In the TCP Send Buffer Size Hint field, type the optional size hint (in bytes) for the low-level TCP send buffers.

    • TCP Receive Buffer Size Hint

      In the TCP Receive Buffer Size Hint field, type the optional size hint (in bytes) for the low-level TCP receive buffers.

    • Enable additional data integrity validation

      Select this option if you want the S Series Node to check the md5 hash of every object it receives against the hash generated by HCP when writing the object. If the hashes do not match, the object fails to tier.

    • Maximum object size (GB)

      In the Maximum object size (GB) field, type the maximum allowable object size.

    • Enable multipart object uploads

      Allows HCP to write objects to the S Series Node using multipart object upload. Starting with release 2.0 of the S Series Node, multipart upload is automatically disabled by the system and, under normal circumstances, should not be enabled. If you choose to configure Enable multipart object uploads:

      • Multipart object upload size threshold (MB)

        In the Multipart object upload size threshold (MB) field, type the object size threshold you want HCP to use to determine when to employ a multipart upload.

      • Multipart object upload part size (MB)

        In the Multipart object upload part size (MB) field, type the part size of a single part of a multipart object upload.

    • Support Metadata

      Whether the extended storage component supports S3 metadata on objects. If you are unsure whether S3 metadata is supported, contact your service provider.

    • Max metadata size

      In the Max metadata size field, type the maximum size (in bytes) of S3 metadata files that will be attached to objects written to S Series Nodes. S Series Nodes permit a maximum size of 6,144 bytes.

      Note

      Support Metadata and Max metadata size options only work for S Series Nodes release 2.0 or later. When you upgrade an S Series Node to release 2.0 or later, the metadata settings take effect within twenty-four hours.

  5. After you are finished, perform one of the following actions:

    • If you want to save your configuration, click Update Settings.
    • If you want to restore the page to its default settings, click Reset Advanced Settings.

Pausing and resuming an S Series storage component

When an S Series storage component is in use, you can pause it at any time. Pausing the component makes it inaccessible for all read and write operations and for storage tiering. After you resume the component, it becomes available again for read and write operations and for tiering.

Procedure

  1. Go to the Storage Components page.

  2. Click an S Series Node.

    The Storage Node page opens.
  3. Click the Manage tab.

  4. Click Pause Component.

    After the storage component is paused, the button is replaced with Resume Component.

  5. To resume communication between HCP and the storage component, click Resume Component.

Deleting an S Series storage component

If the storage represented by an S Series storage component is not being used to store objects in any namespaces defined on the HCP system, you can safely delete that storage component.

Procedure

  1. Retire the storage component.

  2. On the Storage Retirement page, click the retired S Series Node.

  3. Click Delete Volume. If the node is not successfully retired, the Delete Volume button is inaccessible.

Abandoning an S Series storage component

Abandoning an S Series storage component removes the associated S Series Node from the HCP system. This can be done regardless of whether data is tiered to the S Series Node. If you abandon an S Series Node without retiring its data, that data becomes inaccessible even if you add the S Series Node to the system again. As a general rule, you should retire and delete a component instead of abandoning it.

Procedure

  1. Go to the Storage Components page.

  2. Click an S Series Node.

  3. On the Storage Node page that opens, click the Manage tab.

  4. Click Abandon Component.

  5. In the Confirm: Abandon Component window, type Yes in the text field.

  6. Click Abandon.

 

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