Chapter 7. IBM System x3690 X5 371
You can download the Problem Determination and Service Guide for the IBM System
x3690 X5 from the following website:
http://www.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5085205
7.10.2 System recovery
In the unlikely event of a MAX5 power loss or severe failure that prevents the unit from
functioning, the memory-expanded x3690 X5 powers down. Perform the following steps to
immediately resume the x3690 X5 system operation while the MAX5 is being repaired:
1. Remove the power to the x3690 X5 and the MAX5.
2. Unplug the QPI scalability cable and the MAX5 for repair.
3. Plug the x3690 X5 power back in.
4. Allow the IMM to boot and then power on the server.
After the MAX5 expansion is functioning properly, schedule downtime and reattach it to the
x3690 X5 using the QPI scalability cable. Follow the guidelines for the MAX5 expansion
attachment in 7.4, “MAX5 considerations” on page 311.
Important: The attachment and detachment of MAX5 require that the system is down and
that the power is removed from the System x3690 X5.
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