EBOD I/O Module Replacement

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This page explains how a user can replace a faulty EBOD controller module (also referred to as the I/O Module or canister). This procedure is applicable only for a 7520 system containing an EBOD Enclosure. The detailed steps are discussed in the following sections:

 

Note.png Note: The EBOD controller module is hot-swappable and therefore removal/replacement may be performed by the user. The failed module should not be removed until you have a replacement at hand.

Note.png Note: Blank EBOD modules MUST be fitted in all unused slots. The enclosure will not cool properly if a slot is left open.

 

Removing an EBOD I/O module

Note.png Note: During the replacement procedure, the EBOD I/O module should be monitored by navigating to Manage Hardware page in the Web UI. The EBOD module shows up under EBOD Enclosure as 'Controller'. A green status indicates that the EBOD I/O module is healthy, a yellow status indicates that it is recovering or degraded and a red status indicates a failed EBOD I/O module.

  • Prior to the replacement of the failed module, ensure that the other EBOD controller module is 'active' and running.
    • Access the Web UI.
    • Navigate to Manage Hardware and verify that the status of the active EBOD is green and the failed EBOD is red.
  • Locate the failed EBOD controller module on the appliance backplane.
  • Remove the connecting cables (EBOD to controller) prior to taking the EBOD module out from the system.
    • Make a note of the exact SAS port of the EBOD that was connected to the controller.
    • Typically it should be SAS port A labeled as 'Host In' in the diagram shown below.
    • You will be required to restore the system to this configuration after the replacement of EBOD module.

 

EBOD_All_Labeled.png

 

  • Grasp the module latch between the thumb and forefinger and squeeze them together to release the EBOD latch.

 

Figure - EBOD Module Latch Operation

Removing_EBOD_1.png

 

  • Pull the latch outward to cam the module out of the enclosure.
  • Grip the latch handles and withdraw the module.

 

Figure - Removal of EBOD Module

Removing_EBOD_2.png

 

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Installing an EBOD I/O module

  • Check for damage, especially to the interface connector - do not install if the pins are bent.
  • With the latches in the open position, slide the module into the enclosure until the latches engage automatically.

 

Figure - Installing an EBOD Module

Installing_EBOD_1.png

 

  • Cam the module home by manually closing the latches. 

 

Figure - EBOD Module Latch Operation

Installing_EBOD_2.png

  • A click should be heard as the latches engage.
  • Reconnect the cables taking care to restore the exact configuration present prior to the replacement. For details on how to connect the cables, see the diagram below for guidance.

 

7520PowerCabling6_S.png

 

 

Note.png Note: The EBOD module may take up to 1 minute to re-initialize after re-cabling.
 

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