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4-6 SPARC Enterprise M4000/M5000 Servers Service Manual • August 2009
4.2.4 Verifying Hardware Operation
● Verify the state of the status LEDs.
The POWER LED should be On and the CHECK LED should not be On.
Note – 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.
4.3 Hot Replacement
In hot replacement the Solaris OS does not need to be configured to allow the
component to be replaced. Depending on the FRU to be replaced, the FRU can either
be directly replaced or be inactivated or powered down using an XSCF command.