000038904 - How to replace a faulted 15-drive DAC power supply and cooling module in RSA NetWitness Platform

Document created by RSA Customer Support Employee on May 29, 2020
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Article Number000038904
Applies ToRSA Product Set: RSA NetWitness Platform
RSA Product/Service Type: Core Appliance
RSA Version/Condition: 11.x
Product Name: 15-drive Direct Attached Capacity (DAC)
Issue

Power supply and cooling module in 15-drive DAC failed.
Power supply fault LED or Fan fault LED may went on.


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Resolution

Notice



DAC storage system is designed to be powered on continuously. Power supply/cooling module is hot swappable; you can replace or install these components while the storage system is running 

Access to the disks in your enclosure will time out and the disks will spin down two minutes after a power cooling module is removed from the enclosure. While the system can continue operating on a single power supply, the loss of a module’s two blowers causes the DAC to power down unless you replace the module within two minutes. When replacing both cooling modules, ensure the green light on one module has been steadily on for at least 5 seconds before removing power from the second module.



Removing a power/cooling module



  1. For a DC power cooling module, turn the power off by toggling the module's power switch to the off position, then wait two minutes before removing the module.
  2. Unplug the power cable.
  3. Turn the captive screw counterclockwise to release the power cooling module, and remove the module.

CAUTION: To protect a running system from overheating, the enclosure will power down unless you replace the power cooling module within two minutes.

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Installing a power/cooling module



  1. Gently insert the new power/cooling module into the enclosure, being sure that the module is completely seated.
  2. Secure the module with the captive screw.
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Check the power supply green LED is on and fault yellow LEDs are off.

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