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Qumulo C-Series Chassis Field Replacement Unit

IN THIS ARTICLE 

This article outlines how to swap a chassis on the C-72T and C-168T platforms.

NOTE: Shutting down the node causes a quorum event and puts the cluster into an n-1 state. When you finish the chassis replacement process and power on the new chassis, another event occurs when the node rejoins the quorum.

PROCESS

  1. Power down the node and unplug all cables from it.
  2. Loosen the black thumbscrews and remove your node from the rack.
    NOTE: We strongly recommend getting help from a colleague.
    remove_node.jpg
  3. Install the new diskless chassis into the rack.
    diskless_chassis.jpg
  4. Transfer the boot drive from the bottom slot on the back of the existing chassis to the new chassis.
    boot_drive.png
  5. Move the 12 HDDs in the drawer and 3 SSDs from the existing chassis to the new chassis, ensuring that you install the drives into the same slots.

    TIP: Install the HDDs into the chassis and leave the levers up until all drives are in place. Then, lower the drive levers in each row from the middle drives outward. For more information about installing the drives, see Qumulo C-Series Drive Field Replacement Unit.

    remove_drives.jpg       insert_drives.jpg

  6. Connect the cables to the new chassis.
  7. Power on the chassis.
    QK_power_o.png
  8. If the current IPMI settings are set statically (not through DHCP), you must reapply them to each node in the cluster. For more information, see IPMI Quick Reference Guide for Qumulo C-Series. 

RESOLUTION

You can now swap a chassis on the C-72T and C-168T platforms.

ADDITIONAL RESOURCES

Qumulo C-Series Drive Field Replacement Unit

Qumulo C-Series Drive Diagrams

IPMI Quick Reference Guide for Qumulo C-Series

QQ CLI: Cluster Configuration

 

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