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3.1 Maintenance Types of the PCI Expansion Unit


3.1 Maintenance Types of the PCI Expansion Unit
This section describes the maintenance types of the PCI expansion unit.
Maintenance of the PCI expansion unit is divided into two types depending on the input power status of the PCI expansion unit: hot maintenance and cold maintenance. The terms are defined as follows:
Hot Maintenance
Maintenance can be performed with the power cord of the PCI expansion unit connected. Hot maintenance can be performed for the FRUs to be maintained by using the ioxadm or cfgadm command.
Cold Maintenance
Maintenance is performed with the power cord of the PCI expansion unit disconnected. Cold maintenance can be performed for all the FRUs of the PCI expansion unit.
Cold maintenance work varies depending on the method of releasing the link card mounted in the destination server.
  1. Releasing the link card after stopping the system
    This operation can be done when the connection destination of the PCI expansion unit is the SPARC M12-1/M12-2/M12-2S/M10-1/M10-4/M10-4S.
    Cold maintenance of the PCI expansion unit can be performed after stopping the system to which the PCI expansion unit is connected.
  2. Releasing the link card using PHP
    This operation can be done when the connection destination of the PCI expansion unit is the SPARC M12-2/M12-2S/M10-4/M10-4S and the setting for the direct I/O function is disabled.
    Cold maintenance of the PCI expansion unit can be performed after releasing the link card mounted in the destination server from the system using PCI hot plug (PHP).
  3. Releasing the link card using DR
    This operation can be done only when the connection destination of the PCI expansion unit has the building block configuration of the SPARC M12-2S/M10-4S.
    Cold maintenance of the PCI expansion unit can be performed after releasing the chassis in which the link card is mounted from the system using physical partition dynamic reconfiguration (DR).
Table 3-1 to Table 3-3 are lists of maintainable FRUs and maintenance types.
Table 3-1  When the Connection Destination of the PCI Expansion Unit is the SPARC M12-1/M10-1
-: Not maintainable
FRU Hot Maintenance Cold Maintenance Reference
PCI Express card (*1) Enabled (*2) Enabled Chapter 8
Link board - Enabled Chapter 9
Link cable - Enabled Chapter 11
Management cable - Enabled Chapter 12
Power supply unit Enabled (*3) Enabled Chapter 13
Fan unit Enabled Enabled Chapter 14
PCI tray - Enabled Chapter 15
I/O board - Enabled Chapter 16
Fan backplane - Enabled Chapter 17
*1 The types of maintenance for the PCIe card vary depending on the status of the PCIe card requiring maintenance. For details, see Table 3-5.
*2 Maintenance work is performed using PCI hot plug (PHP).
*3 This is supported only for a redundant configuration.
Table 3-2  When the Connection Destination of the PCI Expansion Unit is the SPARC M12-2/M12-2S/M10-4/M10-4S (in a Single-Unit Configuration)
-: Not maintainable
FRU Hot Maintenance Cold Maintenance Reference
PCI Express card (*1) Enabled (*2) Enabled Chapter 8
Link board Enabled (*3) Enabled Chapter 9
Link cable Enabled (*3) Enabled Chapter 11
Management cable Enabled (*3) Enabled Chapter 12
Power supply unit Enabled (*4) Enabled Chapter 13
Fan unit Enabled Enabled Chapter 14
PCI tray - Enabled Chapter 15
I/O board - Enabled Chapter 16
Fan backplane - Enabled Chapter 17
*1 The types of maintenance for the PCIe card vary depending on the status of the PCIe card requiring maintenance. For details, see Table 3-5.
*2 Maintenance work is performed using PCI hot plug (PHP). Combined with dynamic SR-IOV or the dynamic reconfiguration function for PCIe end point devices, it also enables active maintenance of a PCIe card assigned as the SR-IOV virtual function or PCIe end point, to an I/O domain.
*3 It is necessary to use PCI Hot Plug (PHP) to release the link card mounted on a destination server from the system. If the setting for the direct I/O function is enabled, then maintenance must be performed with the system powered off because the link card cannot use PHP.
*4 This is supported only for a redundant configuration.
Table 3-3  When the Connection Destination of the PCI Expansion Unit is the SPARC M12-2S/M10-4S (in a Building Block Configuration)
-: Not maintainable
FRU Hot Maintenance Cold Maintenance Reference
PCI Express card (*1) Enabled (*2) Enabled Chapter 8
Link board Enabled (*3) Enabled Chapter 9
Link cable Enabled (*3) Enabled Chapter 11
Management cable Enabled (*3) Enabled Chapter 12
Power supply unit Enabled (*4) Enabled Chapter 13
Fan unit Enabled Enabled Chapter 14
PCI tray - Enabled Chapter 15
I/O board - Enabled Chapter 16
Fan backplane - Enabled Chapter 17
*1 The types of maintenance for the PCIe card vary depending on the status of the PCIe card requiring maintenance. For details, see Table 3-6.
*2 Maintenance work is performed using PCI hot plug (PHP). Combined with dynamic SR-IOV or the dynamic reconfiguration function for PCIe end point devices, it also enables active maintenance of a PCIe card assigned as the SR-IOV virtual function or PCIe end point, to an I/O domain.
*3 It is necessary to use PCI Hot Plug (PHP) to release the link card mounted on a destination server from the system. If the setting for the direct I/O function is enabled, the link card cannot use PHP. So, release the link card from the system using physical partition dynamic reconfiguration (DR).
*4 This is supported only for a redundant configuration.