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4-4 SPARC Enterprise M4000/M5000 Servers Service Manual • August 2009
4.2 Active Replacement
In active replacement the Solaris OS must be configured to allow the component to
be replaced. Active replacement has four stages:
■ “Removing a FRU From a Domain” on page 4-4
■ “Removing and Replacing a FRU” on page 4-5
■ “Adding a FRU Into a Domain” on page 4-5
■ “Verifying Hardware Operation” on page 4-6
Note – If the hard disk drive is the boot device, the hard disk will have to be
replaced using cold replacement procedures. However, active replacement can be
used if the boot disk can be isolated from the Solaris OS by disk mirroring software
and other software.
4.2.1 Removing a FRU From a Domain
Note – Before you remove a PCI cassette, make sure that there is no I/O activity on
the card in the cassette.
1. From the Solaris prompt, type the cfgadm command to get the component
status.
Ap_Id includes the IOU number (iou#0 or iou#1) and the PCI cassette slot number
(pci#1, pci#2, pci#3, pci#4).
2. Type the cfgadm command to disconnect the component from the domain:
# cfgadm -a
Ap_Id Type Receptacle Occupant
Condition
iou#0-pci#0 etherne/hp connected configured ok
iou#0-pci#1 fibre/hp connected configured ok
iou#0-pci#2 pci-pci/hp connected configured ok
# cfgadm -c unconfigure Ap_Id