SANtricity 11 Manuals (CA08872-010)

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Change SSD Cache settings

You can edit the name of the SSD Cache and view its status, maximum and current capacity, Drive Security and Data Assurance status, and its associated volumes and drives.

SANtricity 11.80 or later, this feature is supported on ETERNUS AB3100 and ETERNUS AB6100 controllers using HDDs with SAS extensions. Either NVMe SSD or SAS SSD can be used as SSD Read cache. However, they cannot be mixed.

Steps
  1. Select Storage > Pools & Volume Groups.

  2. Select the SSD Cache that you want to edit, and then click View/Edit Settings.

    The SSD Cache Settings dialog box appears.

  3. Review or edit the SSD Cache settings as appropriate.

    Field details
    Setting Description

    Name

    Displays the name of the SSD Cache, which you can change. A name for the SSD Cache is required.

    Characteristics

    Shows the status for the SSD Cache. Possible statuses include:

    • Optimal

    • Unknown

    • Degraded

    • Failed (A failed state results in a critical MEL event.)

    • Suspended

    Capacities

    Shows the current capacity and maximum capacity allowed for the SSD Cache.

    The maximum capacity allowed for the SSD Cache depends on the controller’s primary cache size:

    • Up to 1 GiB

    • 1 GiB to 2 GiB

    • 2 GiB to 4 GiB

    • More than 4 GiB

    Security and DA

    Shows the Drive Security and Data Assurance status for the SSD Cache.

    • Secure-capable
      Indicates whether the SSD Cache is comprised entirely of secure-capable drives. A secure-capable drive is a self-encrypting drive that can protect its data from unauthorized access.

    • Secure-enabled
      Indicates whether security is enabled on the SSD Cache.

    • DA capable
      Indicates whether the SSD Cache is comprised entirely of DA-capable drives. A DA-capable drive can check for and correct errors that might occur as data is communicated between the host and storage system.

    Associated objects

    Shows the volumes and drives associated with the SSD Cache.

  4. Click Save.

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