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Dell DL1300 Appliance User's Guide

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Creating a repository

To create a repository:

  1. Navigate to the Core Console.
  2. Click Configuration > Repositories .
  3. Click Add new. The Add New Repository dialog box appears.
  4. Enter the information as described in the following table.
    Text Box Description
    Repository Name Enter the display name of the repository. By default, this text box consists of the word Repository and an index number which sequentially adds a number to the new repository starting with 1. You can change the name as needed. You can enter up to 150 characters.
    Concurrent Operations Define the number of concurrent requests that you want the repository to support. By default the value is 64.
    Comments Optionally, enter a descriptive note about this repository.
  5. To define the specific storage location or volume for the repository, click Add Storage Location.
    • CAUTION: If the AppAssure repository that you are creating in this step is later removed, all files at the storage location of your repository will be deleted. If you do not define a dedicated folder to store the repository files, then those files will be stored in the root; deleting the repository will also delete the entire contents of the root, resulting in catastrophic data loss.
    • NOTE: Repositories are stored on primary storage devices. Archival storage devices such as Data Domain are not supported due to performance limitations. Similarly, repositories must not be stored on NAS filers that tier to the cloud as these devices tend to have performance limitations when used as primary storage.
    The Add Storage Location dialog box is displayed.
  6. To specify your system's disk space as the new storage location to be added, enter the following information:

    • Text Box Description
      Data Path Enter the location for storing the protected data; for example, type X:\Repository\Data.

      When specifying the path, use only alphanumeric characters, the hyphen, and the period (only to separate host names and domains). The letters a to z are case-insensitive. Do not use spaces. No other symbols or punctuation characters are permitted.

      Metadata Path Enter the location for storing the protected metadata; for example, type X:\Repository\Metadata.

      When specifying the path, use only alphanumeric characters, the hyphen, and the period (only to separate host names and domains). The letters a to z are case-insensitive. Do not use spaces. No other symbols or punctuation characters are permitted.

  7. In the Details pane, click Show/Hide Details and enter the details for the storage location described as follows:
    Text Box Description
    Size Set the size or capacity for the storage location. The default is 250 MB. You can choose from the following:
    • MB
    • GB
    • TB
    • NOTE: The size that you specify cannot exceed the size of the volume.
    • NOTE: If the storage location is a New Technology File System (NTFS) volume using Windows XP or Windows 7, the file size limit is 16 TB.

      If the storage location is an NTFS volume using Windows 8 or Windows Server 2012, the file size limit is 256 TB.

    • NOTE: To validate the operating system, Windows Management Instrumentation (WMI) must be installed on the intended storage location.
    Write Caching Policy The write caching policy controls how the Windows Cache Manager is used in the repository and helps to tune the repository for optimal performance on different configurations.
    Set the value to one of the following:
    • On
    • Off
    • Sync
    If the value is set to On, which is the default, Windows controls the caching.
    • NOTE: Setting the write caching policy to On could result in faster performance. If you are using a version of Windows Server prior to Server 2012, the recommended setting is Off.

    If set to Off, AppAssure controls the caching.

    If set to Sync, Windows controls the caching as well as the synchronous input/output.

    Bytes per Sector Specify the number of bytes you want each sector to include. The default value is 512.
    Average Bytes per Record Specify the average number of bytes per record. The default value is 8192.
  8. Click Save. The Repositories screen is displayed to include the newly added storage location.
  9. Repeat step 4 through step 7 to add more storage locations for the repository.
  10. Click Create to create the repository. The Repository information appears in the Configuration tab.

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