Cisco Profile Series Manuale utente
Contents
Introduction
Potentially Impacted Systems (~11000 servers):
Customer Visibility/Impact:
Work-Around Options:
Introduction
The intent of this document is to address the manufacturing issue related to the Peripheral
Component Interconnect Express (PCIe) Option ROM settings as seen on some Cisco C220 M4
and C240 M4 servers. A number of the C-Series servers have shipped to customers with the
incorrect PCIe Option ROM settings, preventing them from booting to many PCIe based devices
(Including but not limited to RAID Controller / Serial-Attached SCSI (SAS) Host Bus Adapter
(HBA), Modular LAN on Motherboard (MLOM) or other networking cards or HBAs. The instructions
below will assist you in resolveing customers impacted by this.
Potentially Impacted Systems (~11000 servers):
C220 M4: Systems shipped between Feb 14th and Mar 28th
C240 M4: Systems shipped between Feb 14th and Mar 28th
Customer Visibility/Impact:
Customers are unable to boot from any PCIe Slot based device, as the "All PCIe Slots
OptionROM" flag has been disabled. Customers will need to toggle this BIOS token, and can do
so using any of the workaround methods mentioned below.
Work-Around Options:
Work-Around #1 (Recommended):
Log in to the IMC, and navigate to the Summary / BIOS / Configure BIOS / Advanced Tab as
shown below.
Set the “All PCIe Slots OptionROM” flag to “enabled”. Save changes and REBOOT the host.
Work-Around #2:
Connect crash cart / launch vKNM to the system. Power the system on and use the F2 menu to
set the “All PCIe Slots OptionROM” flag to ENABLED.
Navigate to the Advanced LOM and PCIe Slots Configuration tab, and press ENTER1.
Scroll down and set the "All PCIe Slots OptionROM" to ENABLED2.
Save changes by pressing F10 and reboot the server.3.
Work-Around #3:
NOTE: This work-around assumes that the Cisco IMC is online and the IP is known. This script
also uses default IMC credentials of admin/password, so if these have been changed users will
need to modify the $pass field as required.
This solution is for customers who used DHCP to IP the IMC(s). Use XML API to log into one or
more system and set the “all PCIe Slots OptionROM” flag correctly. A sample script has been
provided below:
Step 1: Download IMC PowerTool module from the following page:
IMC PowerTool
Save & Run the following file as a <filename>.ps1 file:
Import-Module CiscoUcsPs
$multiimc = Set-UcsPowerToolConfiguration -SupportMultipleDefaultUcs $true
# The tool will prompt user to enter IP’s when run
$imclist = Read-Host "Enter Cisco IMC IP or list of IMC IPs separated by commas"
[array]$imclist = ($imclist.split(",")).trim()
$user = 'admin'
# The default password is on the next line (update as needed)
$pass = ConvertTo-SecureString –String "password" –AsPlainText -Force
$cred = New-Object –TypeName System.Management.Automation.PSCredential
–ArgumentList $user, $pass
$out = Connect-Imc -Credential $cred $imclist
Set-ImcRackUnit -RackUnit 1 -AdminPower soft-shut-down -Force
Get-ImcBiosSettings | Get-ImcBiosVfPCIOptionROMs | Set-ImcBiosVfPCIOptionROMs -
VpPCIOptionROMs "Enabled" -Force
sleep 25
Set-ImcRackUnit -RackUnit 1 -AdminPower up -Force
$out = Disconnect-Imc
Work-Around #4 (Live Linux USB with UCScfg):
This work-around involves creating a live bootable USB, that includes the tools necessary to
correct the OptionROM settings. This requires a blank USB that is at least 4GB in size. Note: the
steps below were performed on Windows 7.
Download the live .iso image here: Live CD1. Download Universal USB Installer here: http://www.pendrivelinux.com/universal-usb-installer-
easy-as-1-2-3/
2.
Launch UUI, and select CentOS as the desired Linux Distribution3. Point UUI to the .iso downloaded in step 1.4. Select desired USB drive to install to, and then click “Create”. Wait for the process to
complete, then USB is ready to use.
5.
6. Plug in USB to affected server and select it as the desired boot device.
Note: The USB loaded with the above image will boot to CentOS, and then launch a series of
UCScfg commands. This particular .iso corrects the optionROM settings AND sets the MLOM Port
0 as the first boot device. After the configuration changes complete, the server will power off.
Changes will be reflected at next power on. UCScfg can be used to customize BIOS/IMC settings
as desired, and the process shown above is just an example, and will correct the issues
mentioned in this article only.
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