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Manual Chapter: Platform Maintenance
Manual Chapter
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About maintaining the platform

The Herculon iSeries platform contains components that you can replace individually without exchanging the entire system. This platform contains these replaceable components:

  • AC power supply
  • Fan tray (i10000 Series only)
  • Storage drive (i10000 Series only)

About power supplies

This platform supports up to two hot swappable power supplies.

CAUTION:
Running without power supplies installed in all available bays in the platform can affect cooling and electromagnetic interference (EMI). If you need to run the unit with one power supply unit (PSU), you must install a blank supply bracket into the empty power supply bay. The blank supply bracket is required to maintain proper airflow in the system. If you do not have a blank supply bracket, leave all supplies installed and disconnect power from any unused PSUs.
CAUTION:
Do not mix power supply unit (PSU) models. If two PSUs are installed in the same system, use only PSUs of the same model.
Important: This product is sensitive to electrostatic discharge (ESD). F5® recommends that you use proper ESD grounding procedures and equipment when you install or maintain the unit.
Note: The AC power supply units (PSU) do not have an on/off switch. You can control the power from the rack switch.

About AC power supplies

This platform can support up to two AC power supplies. Most platforms come with only one power supply by default. You can hot swap a power supply without powering down the system if there are two installed, and one remains installed and operational during the replacement process.

The platform supports power supply redundancy, which ensures that the system is unaffected if a single power supply fails in a system containing more than one power supply.

CAUTION:
As a safety precaution, the socket outlet must be installed near the equipment and be easily accessible.

Replacing an AC power supply in a single-supply system

In the event of a power supply failure, you can replace an AC power supply in a single supply system.
CAUTION:
Be sure that you are using the correct wattage power supply when performing a power supply replacement.
  1. Use the touchscreen LCD to halt and power off the system.
    Performing a proper shutdown procedure helps maintain system integrity.
  2. Before removing the PSU from your system, disconnect the AC power cord from the power supply by squeezing one or both of the power cord lock actuators.
    Important: Locking AC power cords might not be available in all countries.
  3. Remove the failed AC PSU by squeezing the ejector latch and pulling straight toward you.
    Note: After you remove a power supply unit (PSU) from the system, wait for 30 seconds before reinserting the supply to ensure that the circuitry is fully discharged.
  4. Inspect the new PSU, especially the connector area, for any damage that might have occurred during shipment.
  5. Slide the new PSU into the empty slot and push it in until the latch engages.
    Note: While installing the supply, use care to ensure that the supply's connector does not come into contact with the rear of the chassis.
  6. Ensure that the PSU is fully seated in the chassis.
  7. Connect the AC power cord to the new PSU.
    If the system does not boot after you apply power to the PSU, use the touchscreen LCD to power on the system.

Replacing an AC power supply in a dual-supply system

In the event of a power supply unit (PSU) failure, you can replace an AC PSU in a dual-supply system without powering down the system, provided that there is at least one PSU operating during the replacement process.
CAUTION:
Be sure that you are using the correct wattage power supply when performing a power supply replacement.
  1. Make sure that you have a live power supply unit (PSU) already installed in your system if you want to hot swap a PSU while the system is running.
  2. Before removing the PSU from your system, disconnect the AC power cord from the power supply by squeezing one or both of the power cord lock actuators.
    Important: Locking AC power cords might not be available in all countries.
  3. Remove the failed AC PSU by squeezing the ejector latch and pulling straight toward you.
    Note: After you remove a power supply unit (PSU) from the system, wait for 30 seconds before reinserting the supply to ensure that the circuitry is fully discharged.
  4. Inspect the new PSU, especially the connector area, for any damage that might have occurred during shipment.
  5. Slide the new PSU into the empty slot and push it in until the latch engages.
    Note: While installing the supply, use care to ensure that the supply's connector does not come into contact with the rear of the chassis.
  6. Ensure that the PSU is fully seated in the chassis.
  7. Connect the AC power cord to the new PSU.
    If the system does not boot after you apply power to the PSU, use the touchscreen LCD to power on the system.
  8. Optional: Use the LCD touchscreen to clear any alert messages that might have resulted from performing the PSU replacement.

About the fan tray

The i10000 Series platforms have a removable fan tray that is designed to maintain airflow throughout the chassis. You can change or replace the fan tray as part of the routine maintenance of the unit, or in the event of a fan failure. The fans in the fan tray run constantly while the unit is powered on. Over time, the fans can wear out, requiring you to replace the fan tray.

The i10000 Series fan tray

Important: This product is sensitive to electrostatic discharge (ESD). F5® recommends that you use proper ESD grounding procedures and equipment when you install or maintain the unit.

Replacing the fan tray

You do not need special tools to replace the fan tray. You do not need to power down the unit when replacing the fan tray; however, F5® highly recommends that you do not leave the unit operating without a fan tray for longer than 30 seconds.
CAUTION:
Operating the unit without a fan tray for more than 30 seconds might cause permanent damage.
  1. Locate the fan tray on the back of the chassis.
  2. Loosen the fan tray screws by turning them counterclockwise with a Phillips screwdriver.
    Note: The screws that hold the fan tray in place are captive and cannot be removed from the assembly.
  3. Remove the fan tray from the chassis by grasping the handles and pulling straight toward you.
  4. Slide the new fan tray into the fan tray slot.
  5. Tighten the screws into place with a Phillips screwdriver.
    Use 5 inch-pounds (0.6 Newton-meters) of torque on these screws. The fan tray is connected to the system when you tighten the screws completely. Once seated, the fan tray automatically powers up and begins circulating air through the chassis.

About storage drive options

The i10000 Series platforms include one replaceable solid-state drive (SSD) by default.

Important: Replacement drives provided by F5 do not come pre-installed with software.

About replacing a drive in single-drive system

For i10000 Series platforms that include only one drive by default, the drive is located in drive bay 1. You must install the replacement drive back into drive bay 1. You must also power down the system when replacing a drive as part of routine maintenance or in the event of a drive failure.

Important: The replacement storage drive provided by F5® does not come with pre-installed software. You will need to create a bootable USB flash drive to install software onto the drive. Alternately, you can use a PXE server to install the software. For more information, see support.f5.com/kb/en-us/solutions/public/13000/100/sol13117.html.

Prerequisites for replacing a single drive

Before you replace a storage drive in a single-drive system, you need:

  • A USB flash drive with a storage capacity that exceeds the size of the desired F5® software ISO image
  • An F5 software ISO image
  • An F5 system or a Linux system that is used to create a bootable USB flash drive

Replacing a storage drive tray in a single-drive system

You can remove the faulty drive from the chassis and install the blank replacement drive that you received from F5® Networks. You can access the storage drives after removing the fan tray from the back of the chassis.
Note: All photos shown are examples. The appearance of your components or accessories might vary slightly.
  1. Locate the fan tray on the back of the chassis.
  2. Loosen the fan tray screws by turning them counterclockwise with a Phillips screwdriver.
    Note: The screws that hold the fan tray in place are captive and cannot be removed from the assembly.
  3. Remove the fan tray from the chassis by grasping the handles and pulling straight toward you.
  4. Remove the faulty drive by pushing the lever in the middle of the drive tray to the left.
  5. Pull the large latch straight toward you to eject the drive tray from the chassis.
  6. Slide the new drive tray into the empty drive bay until the latch engages the chassis.
  7. Rotate the latch to the locking position by pushing it inward toward the chassis until the latch clicks.
  8. Slide the fan tray back into the fan tray slot.
  9. Tighten the screws into place with a Phillips screwdriver.
    Use 5 inch-pounds (0.6 Newton-meters) of torque on these screws. The fan tray is connected to the system when you tighten the screws completely. Once seated, the fan tray automatically powers up and begins circulating air through the chassis.
After you install the blank replacement drive, use a bootable USB flash drive to install software onto the drive. Alternately, you can use a PXE server to install the software. For more information, see https://support.f5.com/kb/en-us/solutions/public/13000/100/sol13117.html.
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