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This chapter includes the following sections:
Cisco UCS Manager version 3.1 supports the existing rack server integration and management option through Shared LOM, using two separate cables for data traffic and management traffic. The prerequisites for integration with Cisco UCS Manager are built into the C-Series servers. Make sure you have correct server firmware for integration with Cisco UCS Manager. If not, upgrade your server firmware before integrating the server with Cisco UCS Manager. See Cisco UCS Host Upgrade Utility, User Guide.
Requirements for Cluster Setup
The following are the requirements for C-series server integration with Cisco UCS Manager version 3.1 in cluster setup:
A Cisco UCS system running Cisco UCS Manager software release 3.1.
An adapter that supports dual-wire integration.
Any of the Cisco UCS C-Series servers and corresponding Cisco UCS Manager release version:
Two Cisco UCS 6200 Series or 6300 Series FIs. The switch ports that carry server traffic must be enabled as server ports.
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Two RJ-45 Ethernet cables. The RJ-45 Ethernet cables are used to connect the management traffic paths.
Two 1000BASE-T SFP transceivers (GLC-T)
Four 10-Gb Small Form-Factor Pluggable (SFP) cables.
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Do not mix SFP types on an uplink. If you mix the SFP types on an uplink, a Discovery Failed error appears.
If you integrate the server in a non-cluster setup along with the Cisco UCS Manager and C-series rack mount server, you need the following components :
One Cisco UCS 6200 Series or 6300 Series FIs. The switch ports where Fabric Extenders (FEX) are connected must be marked as server ports.
One RJ-45 Ethernet cable. The RJ-45 Ethernet cable connects the management traffic path.
One 1000BASE-T SFP transceiver (GLC-T)
Three 10-Gb SFP cables.
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To view illustrations on the connectivity for each C-Series Rack-Mount Server, see Physical Connectivity Illustrations for Cluster Setup.
Make sure the server CIMC is set to factory default settings to integrate with Cisco UCS Manager.
ステップ 1 | Install the server in the rack. See the Install and Upgrade Guide for the server that you are using. The install guides are available at the following url: Install and Upgrade Guides. |
ステップ 2 |
To connect the management traffic paths, do the following:
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ステップ 3 | To connect the data traffic paths, do the following: |
ステップ 4 |
Connect the paths from the FEXes to the FIs. These paths carry both data and management traffic.
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ステップ 5 | Attach a power cord to each power supply in your server, and then attach the power cord to a grounded AC power outlet. |
ステップ 6 | Reboot the server. |
The following image shows a samples of the physical connectivity for C-Series Rack-Mount Server with Cisco UCS Domain, Cisco UCS Manager, release 3.1.
This image shows the cabling configuration for Cisco UCS Manager integration with a C-Series Rack-Mount Server. The paths shown in blue carry management traffic. The paths shown in gold carry data traffic.
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1 |
Cisco UCS 6200 Series or 6300 FI (Fabric A) |
6 |
Cisco Nexus 2232PP or Cisco Nexus 2232TM-E or Cisco Nexus 2348UPQ FEX (Fabric B) |
2 |
GLC-T transceiver in FEX port (Fabric A) |
7 |
C-Series Rack-Mount Server |
3 |
Cisco Nexus 2232PP or Cisco Nexus 2232TM-E or Cisco Nexus 2348UPQ FEX (Fabric A) |
8 |
1-Gb Ethernet LOM ports |
4 |
Cisco UCS 6200 Series or 6300 FI (Fabric B) |
9 |
10-Gb Adapter card in supported PCIe or MLOM slot. |
5 |
GLC-T transceiver in FEX port (Fabric B) |
To connect the C-Series server with the UCS domain, complete the same steps described in Connecting the C-Series Server with Cisco UCS Domain in Non-cluster Setup. Instead of connecting two FIs and two FEXes, you will connect only one FI and one FEX.
The following illustration is an example of non-cluster setup in dual-wire management.
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1 |
Cisco UCS 6200 Series or 6300 FI (Fabric A) |
4 |
Cisco UCS C-series server |
2 |
GLC-T transceiver in FEX port (Fabric A) |
5 |
1-Gb Ethernet LOM ports |
3 |
Cisco Nexus 2232PP or Cisco Nexus 2232TM-E or Cisco Nexus 2348UPQ FEX (Fabric A) |
6 |
Cisco UCS VIC adapter in supported PCIe slot |
You can manage and monitor all rack-mount servers that have been integrated with a Cisco UCS domain through Cisco UCS Manager. After the integration, you will perform all rack-mount server management tasks only through the service profiles from Cisco UCS Manager GUI or Cisco UCS Manager CLI. The C-Series Rack-Mount Server Cisco IMC is not accessible when you start managing the server with Cisco UCS Manager.
Cisco UCS Manager provides information, errors, and faults for each rack-mount server that it has discovered.
For more information on managing C-Series Rack-Mount Servers from Cisco UCS Manager, see the chapter on Managing Rack-Mount Servers in your release specific Cisco UCS Manager Configuration Guide.
When you manage a Cisco UCS C-Series server with Cisco UCS Manager software, a UCS Manager service profile is associated with the server. If you want to revert a C-Series server to standalone mode (so that it can be managed by CIMC software), you must do the following actions in UCS Manager:
ステップ 1 | Disassociate the UCS Manager service profile from the server. | ||
ステップ 2 |
Decommission the server.
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ステップ 3 | Reset CIMC to factory defaults. |
When you connect the C-Series servers in Cisco UCS system, make sure to review the following information:
The C-Series UCSM integration requires six 10-Gb SFP cables for the following purposes:
Linking the data traffic paths between server and FEX - 2 cables
Uplinks from the FEXes to the FIs - 4 cables
Each of the four uplinks from the FEXes to the FIs can use either a Cisco 10-Gb twinax cable, or one of the following SFP types:
注意 |
Do not mix SFP types on an uplink. If you mix SFP types on an uplink, you will get Discovery failed errors. |
Using the power button or Cisco UCS Manager, if you set the desired power status to Down for an integrated C-Series server's associated service profile, when you try to rest the server to the desired power state, the server becomes out of sync with the actual power state. This may cause the server to shut down unexpectedly at a later time.
Use the Boot Server action in Cisco UCS Manager to safely reboot a server from a power-down state.
The following table shows how the physical server power states can differ from the Cisco UCS Manager service profile power states when the power button on the server is used.
Initial Service Profile Power State |
Server Initial Power State |
Action From Physical Power Button |
Actual Server Power State After the Action |
Power State Under UCSM Equipment Tab |
Desired Power State Under Service Profile |
---|---|---|---|---|---|
Down |
Off |
Push button to turn on |
On |
On |
Down |
Up |
On |
Push button to turn off |
Off |
Off |
Up |
Make sure to consider the following when using the adapter cards in Cisco UCS C-Series server integration with Cisco UCS Manager:
Cisco UCS Manager supports only four UCS managed adapter cards in the integrated Cisco UCS C-series servers, even if the server has more than four PCI slots. If you have more than four adapter cards in the server, after integration, the rack server discovery fails in Cisco UCS Manager.
When you add, remove, or replace an adapter card in a UCS-managed server, you must first decommission the server in Cisco UCS Manager. After the operation, you must then recommission the server.
If you install more than one adapter in the server each adapter in a cluster UCS Manager environment, each adapter must be connected to both path A and B. Attempting to connect both ports on an adapter to a single path results in a discovery failure due to an unsupported configuration. If you attempt to connect only one link from each adapter to the fabric, the server may reboot during a card failure to rediscover the data pathways. Neither of these scenarios are supported with connectivity options.
Whenever you decommission or recommission a Cisco UCS FEX, all the servers that are connected to that FEX must be re-acknowledged in UCS Manager.