Caution io modules are not hot pluggable or swappable

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CAUTION I/O modules are not hot-pluggable or swappable. Procedure 1. Stop the system using the system poweroff command to allow the proper shut down of the file system and other system components. Note The system poweroff command completes when the front panel blue LED turns off. For help connecting to a system using a laptop computer and terminal emulator, see the document FE Toolkit Inventory and Common Procedures for FRU Tasks at . 2. If necessary, move the CMA and the cabling out of the way to access the I/O module. 3. From the rear of the chassis, pull the handle on the I/O module handle to release it. The ejector button should release. Figure 2 Removing an I/O module 4. Gently pull the module from the chassis. 5. Place the I/O module on a clean, ESD-protected surface. Installing an I/O module To install an I/O module: Procedure 1. Align the module with the empty slot and carefully push the module into the slot. Field Replaceable Units 20 Data Domain DD6300, DD6800, and DD9300 Field Replacement Unit Guide Page 25 of 80
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Figure 3 Inserting the I/O module 2. When the I/O module appears to be seated, push and release the small button on the handle. Figure 4 Pushing the button on the I/O module handle l If the button remains in, the module is fully seated. l If the button springs back, gently push the module further into the chassis, then push the button again. l If the button still does not rest flush with its handle, remove the module and repeat steps 1 and 2. Verify the I/O module replacement Check each I/O module LED. Each I/O module ejector handle contains a bi-colored LED. Green indicates normal function, while an amber color indicates a fault condition. Procedure 1. Enter the alerts show current command and confirm that the system has cleared the alert for the failed I/O module. It may take one to two minutes after the I/O module replacement before the system clears the alert. Field Replaceable Units Verify the I/O module replacement 21 Page 26 of 80
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# alerts show current No active alerts. NVRAM module replacement This section describes how to remove and replace the NVRAM module. NVRAM module overview The 8-GB NVRAM module is located in slot 0. It is removed in a fashion similar to the I/O modules. The NVRAM module provides 8GB of high speed NVRAM storage. It uses an embedded CPU with a built in DDR3 memory controller, DMA engines, and PCIe root complex as a data moving engine to transfer data between system memory and local memory on the module. Firmware is executed from the on-board boot flash. The driver allows communication between the host and module. Identify a failed NVRAM module The NVRAM module is located in Slot 0 on the back of the chassis. Procedure 1. Log in as sysadmin. 2. Enter the alerts show current command for alert information about battery and NVRAM card status or the alerts show current-detailed command for detailed alert information about battery and NVRAM card status.
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