Dell EqualLogic PS4100 Hardware Maintenance Manual

Also see for PS4100: Hardware Overview Configuration guide Setting up Installation and setup guide

Contents

Dell EqualLogic PS4100 Hardware Maintenance Manual Manual pdf 30 page image

PS4100 Hardware Maintenance Guide Maintaining Control Modules242. Push down on the orange release tab and swing the black lever out.3. Slide the control module into the chassis until you feel resistance.Figure 18 Installing a Control Module4. Rotate the black lever inward, which pushes the control module completely into the slot. The latch onthe lever will snap into place.5. Reconnect the network cables.6. If the array was shut down, turn on power to the array.7. Make sure the control module is operational. See Interpreting Control Module LEDs on page 18.When connected, the control module cache-to-flash module receives full charge. If it cannot be charged,its status is reported as BAD in the Group Manager GUI. You must remove the control module andreplace it with another one.If two control modules are installed but only one is shown in the GUI or CLI, the control module maynot be properly installed. Reinstall the control module. If both control modules still are not shown in theGUI or CLI, they may not be running the same firmware. Contact your array support provider.Replacing the MicroSD CardEach control module includes a microSD card that contains the PS Series firmware.If a control module fails, remove the microSD card from the failed control module and install the card in thereplacement control module. This will make sure that the new control module is running the same firmwareas the other control module in the array.You can remove a control module without shutting down the array if the remaining control module has atleast one connected and functioning network interface. If you remove the active control module (the LEDlabeled ACT will be green), there will be a short interruption as failover to the secondary control moduleoccurs.When you remove the control module, place it on a surface that is protected from electrostatic discharge.