Replace a DIMM
T
he following table lists the memory capacity and the number of DIMMs installed in the system.
Table 3. Memory mapping
Memory capacity Number of DIMMs
288 GB 12 x 16 GB + 12 x 8 GB
This CRU is not hot-swappable, and requires a system shutdown to replace.
CAUTION:
If any components are not fully seated, the system may not boot upon completion of the procedure.
When installing a component into the system, verify it is fully seated before proceeding to the next step.
Topics:
• I
dentify a failed DIMM
• Shut down and disconnect the system
• Extend the system from the cabinet
• Remove the system cover
• Removing the air shroud
• Remove the memory module
• Install the memory module
• Installing the air shroud
• Install the system cover
• Slide the system into the cabinet
• Reconnect and power on the system
• Verify the replacement DIMM
• Restore the HA configuration
Identify a failed DIMM
Prerequisites
Establish a connection to the system as described in Establish a serial management connection to the PowerProtect system on
page 14.
About this task
Complete the following steps to identify a failed DIMM.
Steps
1. Enter the alert show current command to display message indicating a DIMM failure. A sample output is shown.
# alert show current
I
d Post Time Severity Class Object Message
-- ---------------------- -------- -------- ------- ------------------
14 Wed May 3 01:01:18 2017 ALERT HardwareFailure EVT-MEM-00002: Memory
size(512747300KB)
goes below the configured
size(529306480KB).
DDFS will not be started.
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46 Replace a DIMM
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