Sun Cluster 3.0 - 3.1 with StorageTek Fibre Channel RAID Arrays Manual for Solaris OS

ProcedureHow to Upgrade Storage Array Firmware

Use this procedure to upgrade storage array firmware in a running cluster. Storage array firmware includes controller firmware, unit interconnect card (UIC) firmware, EPROM firmware, and disk drive firmware.

Note –

When you upgrade firmware on a storage device or on an enclosure, redefine the stripe size of a LUN, or perform other LUN operations, a device ID might change unexpectedly. When you perform a check of the device ID configuration by running the scdidadm -c command, the following error message appears on your console if the device ID changed unexpectedly.

device id for nodename:/dev/rdsk/cXtYdZsN does not match physical 
device's id for ddecimalnumber, device may have been replaced.

To fix device IDs that report this error, run the scdidadm -R command for each affected device.

  1. Stop all I/O to the storage arrays you are upgrading.

  2. Apply the controller, disk drive, and loop-card firmware patches by using the arrays' GUI tools.

    For specific instructions, see the array's online documentation.

  3. Confirm that all storage arrays that you upgraded are visible to all nodes.

    # luxadm probe
  4. Restart all I/O to the storage arrays.

    You stopped I/O to these storage arrays in Step 1.