Data Compression - How To

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Software Compression

Enable or Disable Software Compression for a Subclient

Enable or Disable Software Compression and Network Bandwidth for a QR Subclient

Enable or Disable Software Compression for Command Line Backups (DB2, Informix, Oracle, Oracle RAC, SAP)

Enable or Disable Software Compression for Log Backups (DB2, Informix, Oracle, Oracle RAC, Sybase)

Enable or Disable Software Compression for Oracle Archive Log Backups (Oracle)

Enable or Disable Software Compression for Oracle Command Line Backups (Oracle)

Enable or Disable Software Compression for a Replication Set (ContinuousDataReplicator)

Hardware Compression

Enable or Disable Hardware Compression

Replication Compression

Configure Software Compression for a Replication Set

General

Enable Decompress Data before Backup for a NetWare File System Backup Set

View Data Paths Associated With a Subclient


Enable or Disable Software Compression for a Subclient

Before you Begin

Required Capability: Capabilities and Permitted Actions

To enable software compression for a subclient:

  1. From the CommCell Browser, right-click the subclient for which you wish to enable software compression and then click Properties.
  2. Click the Storage Device tab and from the Data Storage Policy tab, select the storage policy from the Storage Policy list.

    If applicable for the selected agent, click the Log Storage Policy tab and select a storage policy from the Transaction Log Storage Policy list.

  3. Then click the Storage Device (Data Transfer Option) tab and choose the appropriate compression option for this subclient.
  4. Click OK to save your changes.

This task is now complete.


Enable or Disable Software Compression and Network Bandwidth for a QR Subclient

Before you Begin

Required Capability: Capabilities and Permitted Actions

To enable software compression and Network Bandwidth for a QR subclient:

  1. From the CommCell Browser, right-click the subclient of a QR Agent for which you wish to enable software compression, then click Properties from the shortcut menu.
  2. Click the General tab of the Subclient Properties dialog box.
  3. Select the Compression ON option to enable software compression. 
  4. Click the Throttle Network Bandwidth (MB/HR) option and then enter the throughput as needed.
  5. Click OK to save your changes.

This task is now complete.


Enable or Disable Software Compression for Command Line Backups

Before you Begin

Required Capability: Capabilities and Permitted Actions

To enable or disable software compression for Command Line Backups:

  1. From the CommCell Browser, right-click the instance you want to modify, and then click Properties from the short-cut menu.
  2. To enable or disable software compression for command line backups, click the Storage Device Data Transfer Option tab and select the appropriate option.
  3. Click OK to save the changes.

This task is now complete.


Enable or Disable Software Compression for Log Backups

Before you Begin

Required Capability: Capabilities and Permitted Actions

To enable software compression for Log Backups:

  1. From the CommCell Browser, right-click a subclient of the instance containing the Log Backups that you wish to enable software compression for, and then click Properties.
  2. Click the Storage Device tab of the Subclient Properties dialog box.
  3. To enable or disable software compression for Archive Log Backups, click the Data Transfer Option tab and choose the appropriate compression option.
    Note that when you change the compression scheme for logs, you change it for data as well. Similarly, when you change the compression scheme for data, you change it for logs as well. 
  4. Click OK to save your changes. 

This task is now complete.


Enable or Disable Software Compression for Oracle Archive Log Backups

Before you Begin

Required Capability: Capabilities and Permitted Actions

To enable software compression for Oracle Archive Log Backups:

  1. From the CommCell Browser, right-click a subclient of the instance containing the Archive Log Backups that you wish to enable software compression for, and then click Properties.
  2. Click the Storage Device tab of the Subclient Properties dialog box.
  3. To enable or disable software compression for Archive Log Backups, click the Software Compression tab and choose the appropriate compression option.
    Note that when you change the compression scheme for Archive Logs you change it for data as well, and vice versa. 
  4. Click OK to save your changes. 

This task is now complete.


Enable or Disable Software Compression for Oracle Command Line Backups

Before you Begin

Required Capability: Capabilities and Permitted Actions

To enable or disable software compression for Oracle Command Line Backups:

  1. From the CommCell Browser, right-click the instance you want to modify, and then click Properties from the short-cut menu.
  2. To enable or disable software compression for command line backups, click the Storage Device Software Compression tab and select the appropriate option.
  3. Click OK to save the changes.

This task is now complete.


Enable or Disable Software Compression for a Replication Set

Related Topics

Before you Begin

Required Capability: Capabilities and Permitted Actions

To enable/disable software compression for a Replication Set:

  1. From the CommCell Browser, right-click the Replication Set and select Properties.
  2. From the Replication Set Properties (Replication Options) tab, either select or clear Compression ON.
  3. Click OK to save your settings and close the Replication Set Properties.

Enable or Disable Hardware Compression

Required Capability: See Capabilities and Permitted Actions

To enable or disable hardware compression:

  1. Right-click the storage policy copy and then click Properties.
  2. Click the Data Paths tab.
  3. Click the data path for which you wish to change the hardware compression and then click Properties.
  4. From the Data Path Properties dialog box, select the Hardware Compression checkbox to enable or de-select to disable hardware compression.
  5. Click OK to save your changes.

Enable Decompress Data before Backup for a NetWare File System Backup Set

Before You Begin

Required Capability: Capabilities and Permitted Actions

To enable Decompress Data before Backup:

  1. From the CommCell Browser, right-click the backup set of a NetWare File System iDataAgent for which you want to enable decompression, then click Properties.
  2. In the General tab, select Decompress Data before Backup
  3. Click OK to save your change.

This task is now complete.


View Data Paths Associated with a Subclient

Required Capability: See Capabilities and Permitted Actions

To view data paths:

  1. From the CommCell Browser, right-click the subclient whose data paths you want to view, then click Properties from the shortcut menu.
  2. Click the Storage Device tab of the Subclient Properties dialog box.
  3. From the Data [or Logs] Storage Policy tab, click Show Data Paths to view the data paths used by the subclient to access the storage media for data protection operations. Click Close to exit the Data Paths dialog box.
  4. Click OK to exit the Subclient Properties Storage Device tab.

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