View SRDF protected and SRDF/Metro protected storage groups

Symmetrix Remote Data Facility (SRDF) facilitates the data replication from one storage system to another through a storage area network or Internet Protocol (IP) network.

About this task

Unisphere provides SRDF monitoring and management for storage groups, including SRDF/Metro protected storage groups. Only single hop SRDF is supported for SRDF/Metro, that is, current or cascaded setups are not supported. See Manage remote replication sessions for additional information.

Steps

  1. Select the storage system.
  2. Click Data Protection to view the Protection dashboard and select SRDF or SRDF/Metro from the Protection section of the summary panel.
    The following properties display, depending on the operating environment:
    • Storage Group—User-defined storage group name
    • States—The state of the storage group - possible values are:
      • ActiveActive
      • ActiveBias
      • Consistent
      • Failed Over
      • Invalid
      • Partitioned
      • R1 Updated
      • R1 Update in progress
      • Suspended
      • Synchronization in progress
      • Synchronized
      • Transmit Idle

    If Unisphere detects an asynchronous state change event for an SRDF group from Solutions Enabler, it updates the Unisphere state for the SRDF group and its related SRDF device groups and SRDF storage groups. The Storage Group list view must be refreshed so that the latest state is reflected.

    • Modes—The SRDF modes
    • SRDF Type—The SRDF type (SGs with volumes having multiple SRDF types display multiples here, for example, R1 and R2).
    • SRDF Groups—The SRDF group number (Concurrent SRDF setups list multiple SRDF group numbers.)
    • Capacity(GB)—Total capacity of the storage group in GB
    • Masking Views—The number of associated masking views
    • Emulation—The emulation type (ALL, FBA, CKD)
    • Bias Location—The bias location
    • Witness Protected—Indicator if witness protected

    Click An icon showing the letter i to view the details.

    A graphic displaying the replication configuration is displayed. It shows the following items:

    • Containers representing the R1 and R2 volumes are displayed. The color of the container indicates the status of the container:
      • An icon of a blue cyclinder with the text "I/O" Read write enabled
      • An icon of a blue cylinder with no text Write disabled
      • An icon of a yellow cylinder with a question mark Connectivity lost
    • An arrow indicating the direction of I/O
    • A central icon and label indicating the state of the replication pair
      • An icon of a green circle with a tick symbol Synchronized, Consistent, ActiveActive, ActiveBias
      • An icon of a blue circle with two arrow symbols forming a circleSynchronization in progress
      • An icon of a yellow circle with a pause symbol Suspended, Split, Failed Over
      • An icon of a yellow circle with an exclamation symbol Unknown
      • An icon of a red square with an X symbol Partitioned, Transmit Idle

    The following properties are displayed:

    • Storage Group—User-defined storage group name
    • States—Possible values for the state of the storage group are:
      • ActiveActive
      • ActiveBias
      • Consistent
      • Failed Over
      • Invalid
      • Partitioned
      • R1 Updated
      • R1 Update in progress
      • Suspended
      • Synchronization in progress
      • Synchronized
      • Transmit Idle
    • Modes—The SRDF modes
    • Capacity(GB)—Total capacity of the storage group in GB
    • SRDF Groups—The SRDF group number (Concurrent SRDF setups list multiple SRDF group numbers.)
    • SRDF Pairs—Number of associated SRDF pairs
    • Masking Views—The number of associated masking views
    • Emulation—The emulation type (ALL, FBA, CKD)
    • Bias Location—The bias location
    • Group Type—The group type
    • Production Volumes—The number of production volumes
    • Last Updated—The date and time of the last update

    The following controls are available, depending on the operating environment and the mode: