Cisco UCS C240 M4 Installation And Service Manual page 90
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Installing or Replacing Server Components
The override parameter is a setting for the IO Accelerator VSL software by server and is not stored in
Note
the device. When moved to a new server, the device defaults to the 25 W power limit until an external
power cable is added or the override parameter is enabled for that device in the new server.
Determine the serial number of the installed Fusion device by using the
Step 1
Accelerator VSL software. Sample output is shown here:
fio-status
Adapter: Dual Controller Adapter
Fusion-io ioDrive2 3.0TB, Product Number:F01-001-2T41-CS-0001, FIO SN:1149D0969
External Power: NOT connected
PCIe Power limit threshold: 24.75W
Connected ioMemory modules:
fct2: SN:1149D0969-1121
fct3: SN:1149D0969-1111
In this example, 1149D0969 is the adapter serial number. If you have multiple Fusion ioDrive3 devices
installed in your system, use the
Note
Set the override parameter by editing the
Step 2
when you install the device drivers.
Change the value for the
a comma-separated list of adapter serial numbers.
options iomemory-vsl external_power_override=<value>
For example:
options iomemory-vsl external_power_override=1149D0969,1159E0972
Reboot the server or unload and then load the drivers to enforce the parameter changes.
Step 3
Cisco UCS C240 M4 Server Installation and Service Guide
3-50
fio-beacon
There is also a serial number label on the card, but we recommend that you use the
command to confirm the serial number is an adapter serial number (FIO SN in the sample output
above).
external_power_override
command to verify where each device is physically located.
/usr/modprove.d/iomemory-vsl.conf
parameter, where the
Chapter 3
Maintaining the Server
command in the IO
fio-status
fio-status
file, which is installed
for this parameter is
<value>
OL-32474-01
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