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VESS A6000 Series Replacing a Power Supply on Vess A6600
Babatunde Akinkuolie posted this 30 October 2024

The Vess A6600 systems can accommodate two AC power supplies in the bay at the rear of the chassis. The Vess A6800 systems can accommodate three AC power supplies in the bay at the rear of the chassis. Each unit provides up to 550 Watts of power. Only a single power supply is required for operation, with the second power supply purely as a redundant, load-sharing backup. It can be removed without affecting system operation.

Installing and Removing the Power Supply

  1. Align the power supply unit with the power supply slot. Ensure that the LED appears on the left when you are installing the power supply unit.
  2. Carefully slide the PSU all the way into the power supply bay until it clicks into place.

Removing the Power Supply Unit

To remove a failed power supply, please first identify the failed power supply .

  1. Hold onto the power supply handle while pressing the locking lever towards the power supply handle.
  2. Pull to remove the power supply from the chassis.

NOTE:

  1. Before replacing the power supply, power off the server, unplug the power cord, and disconnect all wiring from the power supply.
  2. In a redundant system, you do not need to power down the server.

Thunderbolt™ Pegasus Family Moving from a Legacy Pegasus to a Pegasus32 chassis
Babatunde Akinkuolie posted this 30 October 2024

Introduction

As times slowly passes it leaves it's mark on the world. The mountains rise up and wear down, the continents shift and change configuration, and worst of all, the dinosaurs have become extinct.

But on shorter timescales we also grow older, as does our equipment. Most things we use, like cars, furniture and most of all, computers either fail or become obselete. Few today use a computer based upon the venerable i486.

Storage has also changed over the years, in capacity, speed, and price.

Updating our equipment is an ongoing process. There are many reasons for updating our equipment, it could be because of equipment failures, or it could be that the storage speed of yesterday's equipment may not be up to the today's task of editing a 4k video.

Moving from a Legacy Pegasus to a Pegasus32 chassis

The promise Pegasus has a builtin capacity for upgrading. The disk set from a Pegasus1, a Pregasus2, or a Pegasus3 can be moved to a Pegasus32 chassis and the Volume will mount.

The process is simple...

  1. Make sure both Pegasus units are powered off.
  2. Move the Hard Drive carriers from the Legacy Pegasus to the Pegasus32. It's best to move the Legacy Pegasus drives to the corresponding slot on the Pegasus32.
  3. Connect the Pegasus32 power cable and Thunderbolt cable.
  4. After the Pegasus32 boots, the Volume should mount.

Some Limitations

The macOS version must support the Pegasus32 driver. macOS High Sierra for example, does not support the Pegasus32 driver. The Pegasus32 FCS (First Customer Shipment) driver supports macOS 10.14 (Mohave), 10.15 (Catalina) and above on Intel Macs.

If the Mac being used has Thunderbolt 2 ports, then a Thunderbolt 2 > Thunderbolt 3 adapter will be needed. The Apple adapter is recommended.

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