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Split Backplane Configurations |
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Note - This document is intended for use by authorized Sun service providers, and the procedures described in this document should be performed only by authorized Sun service providers. |
Two new backplane configurations are available for Sun Fire V880 servers that are equipped with both a base backplane and an expansion backplane:
The new configurations provide customers with enhanced hardware redundancy and data availability. See About the Split Backplane Configurations for a description of the new configurations.
This document includes the following sections, which provide the setup instructions for the new configurations and useful reference information:
You will need the following documents to complete the setup procedures:
The procedures in this document enable you to set up the new split backplane configurations for Sun Fire V880 servers that are equipped with both a base backplane and an expansion backplane. Before you perform the procedures:
Following are brief descriptions of the new configurations:
Before the Solaris operating environment can recognize the split backplane configurations, the following patches must be installed to upgrade the Sun Fire V880 server fibre channel backplane firmware:
The minimum OpenBootTM firmware level is version 4.7.5. The recommended OpenBoot firmware level is version 4.10.8 (patch ID 112186-10) or later.
These patches are available on the SunSolveSM web site: http://sunsolve.sun.com
To set up the split backplane configurations, you need PCI Dual Fibre Channel Network Adapters+ and fibre channel cables in the quantities shown in the following table.
Before you begin to set up the split backplane single-loop configuration, verify that the fibre channel backplane firmware has been upgraded with the appropriate software patch cited in Firmware Patches Required. If the firmware is not upgraded, install the appropriate patch as instructed in the README document for the patch. Both the patch and the README document are available on the SunSolve web site.
The following procedure is based on the assumption that the expansion backplane is already installed. If you need to install the expansion backplane, see the Sun Fire 880 Server Service Manual (part number 806-6597) for instructions.
To set up the split backplane single-loop configuration, complete the following steps:
1. Set the OpenBoot configuration variable auto-boot? to false.
3. Remove the primary and secondary I/O fan tray assemblies.
See the Sun Fire 880 Server Service Manual for instructions.
4. Disconnect the following cables (if installed) from the expansion backplane and the base backplane:
For cable connector locations, see Reference for Connector Locations.
a. Base/expansion cable from both base and expansion backplanes connectors J0801.
b. FC-AL data cable from base backplane connectors J01103 and J01102, and from expansion backplane connectors J01101 and J01100.
c. FC-AL data cable from expansion backplane connectors J0201 and J0200, and from base backplane connectors J0501 and J0500.
5. Choose a slot for the PCI Dual Fibre Channel Network Adapter+.
For higher throughput, select one of the 66-MHz slots (PCI slot 7 or 8). See Reference for PCI Slot Locations.
6. Install the PCI Dual Fibre Channel Network Adapter+.
See the Sun Fire 880 Server Service Manual for PCI card installation instructions.
The network adapter contains two external optical transceiver connectors, located on the spine of the adapter. Pull the dust cover from each external connector before you install the adapter.
After you install the network adapter, replace the dust cover on the Port 1 connector. In this configuration, Port 1 of the network adapter cannot be used to connect to external devices. Use only Port 2 to connect to external devices.
7. Connect the new FC-AL data cable (P3 and P4) to connectors J3 (P3) and J4 (P4) on the PCI Dual Fibre Channel Network Adapter+ and to expansion backplane connectors (C) J0200 and (D) J0201.
8. Install the primary and secondary I/O fan tray assemblies and check that the FC-AL data cable does not interfere with the fans. If necessary, use tie-wraps to attach the cable to the internal wall near the backplanes.
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Caution - Before you power on the system, be sure that the front and side doors and all plastic outer panels are properly installed. |
9. Power on the system and access the ok prompt.
See "How to Initiate a Reconfiguration Boot" in the Sun Fire 880 Server Owner's Guide.
10. Verify that all disks and network adapters are recognized by the OpenBoot PROM. At the ok prompt, type the probe-scsi-all command.
11. Perform a reconfiguration boot of the Solaris software. At the ok prompt, type the boot -r command.
12. Verify that Solaris recognizes both the base and expansion backplanes. At the Solaris prompt, type the luxadm probe command.
# luxadm probe Found Enclosure(s): SUNWGS INT FCBPL Name:FCloop Node WWN:508002000017c4d8 Logical Path:/dev/es/ses0 SUNWGS INT FCBPL Name:FCloop Node WWN:50800200001cb798 Logical Path:/dev/es/ses2 |
The luxadm probe command displays the enclosure name, World Wide Number, and logical path name for each FC-AL backplane. Notice that the display shows the same enclosure name (FCloop in the example) for both backplanes. Also note the logical path name of each device. You need this information to perform Step 13.
13. Change the enclosure name of one of the FC-AL backplanes. Type the luxadm enclosure_name command.
Each backplane must have a unique enclosure name. Use the luxadm enclosure_name command to assign a unique name by changing one of the enclosure names as shown in the following example.
To change the enclosure name, assign the new name (FCloop2 in the example) and enter the path name (/dev/es/ses2 in the example) of the appropriate backplane. You obtained the path name from the luxadm probe command output shown in Step 12.
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Note - There is no output from the luxadm enclosure_name command. |
14. Verify that the Solaris software recognizes the correct enclosure name for each backplane. Type the luxadm probe command.
Notice that the output example now shows a unique name (FCloop and FCloop2 in the example) for each backplane.
# luxadm probe Found Enclosure(s): SUNWGS INT FCBPL Name:FCloop Node WWN:508002000017c4d8 Logical Path:/dev/es/ses0 SUNWGS INT FCBPL Name:FCloop2 Node WWN:50800200001cb798 Logical Path:/dev/es/ses2 |
15. Verify that the Solaris software recognizes all disks attached to each backplane. Type the luxadm display command and specify the enclosure name for each backplane.
In the following example, the base backplane (FCloop in the example) has six attached disks in slots 0 - 5.
The following example shows the luxadm display output for the expansion backplane (FCloop2 in the example).
Before you begin to set up the split backplane dual-loop configuration, verify that the fibre channel backplane firmware has been upgraded with the appropriate software patch cited in Firmware Patches Required. If the firmware is not upgraded, install the appropriate patch as instructed in the README document for the patch. Both the patch and the README document are available on the SunSolve web site.
The following procedure is based on the assumption that the expansion backplane is already installed. If you need to install the expansion backplane, see the Sun Fire 880 Server Service Manual (part number 806-6597) for instructions.
To set up the split backplane dual-loop configuration, complete the following steps:
1. Set the OpenBoot configuration variable auto-boot? to false.
3. Remove the primary and secondary I/O fan tray assemblies.
See the Sun Fire 880 Server Service Manual for instructions.
4. Disconnect the following cables (if installed) from the expansion backplane and the base backplane:
For cable connector locations, see Reference for Connector Locations.
a. Base/expansion cable from base and expansion backplane connector J0801.
b. FC-AL data cable (Loop B) from base backplane connectors J01103 and J01102 and from expansion backplane connectors J01101 and J01100.
c. FC-AL data cable (Loop A) from expansion backplane connectors J0201 and J0200 and from base backplane connectors J0501 and J0500.
5. Choose the slots for the PCI Dual Fibre Channel Network Adapters+.
For easy cable routing, plan to install two of the PCI Dual Fibre Channel Network Adapters+ in any two of PCI slots 0 - 6 and the other network adapter in PCI slot 7 or 8. Installing the network adapters in these slots enables you to route all three cables along the floor of the I/O compartment. See Reference for PCI Slot Locations.
6. Install the three PCI Dual Fibre Channel Network Adapters+.
See the Sun Fire 880 Server Service Manual for PCI card installation instructions.
The network adapter contains two external optical transceiver connectors, located on the spine of the adapter. Pull the dust cover from each external connector before you install the adapters.
After you install the network adapters, replace the dust covers on the Port 1 connectors. In this configuration, Port 1 of the network adapters cannot be used to connect to external devices. Use only Port 2 to connect to external devices.
7. Connect the three new FC-AL data cables as follows:
a. For one of the PCI Dual Fibre Channel Network Adapters+ in one of the slots 0 to 6, connect a new FC-AL data cable (P3 and P4) from network adapter connectors J3 (P3) and J4 (P4) to expansion backplane connectors (C) J0200 and (D) J0201.
b. For the other PCI Dual Fibre Channel Network Adapter+ in one of the slots 0 to 6, connect a new FC-AL data cable (P3 and P4) from network adapter connectors J3 (P3) and J4 (P4) to expansion backplane connectors (C) J01100 and (D) J01101.
c. For the PCI Dual Fibre Channel Network Adapter+ in slot 7 or 8, connect a new FC-AL data cable (P3 and P4) from network adapter connectors J3 (P3) and J4 (P4) to base backplane connectors (C) J01100 and (D) J01101.
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Note - If you install Loop B, you must also install Loop A or the backplanes will not initialize. |
8. Install the primary and secondary I/O fan tray assemblies and check that the FC-AL cables do not interfere with the fan. If necessary, use tie-wraps to attach the cables to the internal wall near the FC-AL backplanes.
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Caution - Before you power on the system, be sure that the front and side doors and all plastic outer panels are properly installed. |
9. Power on the system and access the ok prompt.
See "How to Initiate a Reconfiguration Boot" in the Sun Fire 880 Server Owner's Guide.
10. Verify that all disks and network adapters are recognized by the OpenBoot PROM. At the ok prompt, type the probe-scsi-all command.
11. Perform a reconfiguration boot of the Solaris software. At the ok prompt, type the boot -r command.
12. Verify that the Solaris software recognizes both the base and expansion backplanes. At the Solaris prompt, type the luxadm probe command.
The luxadm probe command displays the enclosure name, World Wide Number, and logical path name for each FC-AL backplane. Notice that the display shows the same enclosure name (FCloop in the example) for both backplanes. Also note the logical path name of each device. You need this information to perform Step 13.
13. Change the enclosure name of one of the FC-AL backplanes. Type the luxadm enclosure_name command.
Each backplane must have a unique enclosure name. Use the luxadm enclosure_name command to assign a unique name by changing one of the enclosure names as shown in the following example.
To change the enclosure name, assign the new name (FCloop2 in the example) and enter the path name (/dev/es/ses2 in the example) of the appropriate backplane. You obtained the path name from the output from the luxadm probe command shown in Step 12. You can enter either of the path names (/dev/es/ses2 or /dev/es/ses3) shown in Step 12.
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Note - There is no output from the luxadm enclosure_name command. |
14. Verify that the Solaris software recognizes the correct enclosure name for each backplane. Type the luxadm probe command.
Notice that the output example now shows a unique name (FCloop and FCloop2 in the example) for each backplane.
15. Verify that the Solaris software recognizes all disks attached to each backplane. Type the luxadm display command and specify the enclosure name for each backplane.
In the following example, the base backplane (FCloop in the example) has six attached disks in slots 0 - 5.
The following example shows the luxadm display output for the expansion backplane (FCloop2 in the example).
The locations of the connectors on the base and expansion backplanes are shown in the following figure.
The locations of the connectors on the PCI Dual Fibre Channel Network Adapter+ are shown in the following figure.
The locations and characteristics of the PCI slots are shown in the following figure.
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