Verifying A System Control (Sc) Peripheral Board; Dvd-Rom Peripheral Replacement Procedures; Removing The Failed Dvd-Rom Peripheral From The System Control (Sc) Peripheral Board - Sun Microsystems Sun Fire E25K Service Manual

7.2.6

Verifying a System Control (SC) Peripheral Board

1. Monitor SCPOST for any error messages during SC boot.
SCPOST messages are output to an SMS console. To read SC SMS console messages,
you must attach a console cable and terminal to the SC.
2. Ensure that Solaris software can communicate to all the peripheral devices.
For the DVD-ROM, insert a CD and ensure it mounts properly.
I
For hard disks, check that the /dev/dsk and /dev/rdsk entries are correct and
I
that the Solaris software can access the disks (format, prtvtoc).
For the DAT drive, check that the /dev/rmt entries are correct and that the
I
Solaris software can access the tape device (mt status).
3. Verify the SC Board.
See Section 6.1.2.5, "Verifying a System Control (SC) Board" on page
7.3 DVD-ROM Peripheral Replacement
Procedures
All backup procedures and any other customer administrative procedures must be
completed by the responsible system administrator prior to DVD-ROM peripheral
replacement by field personnel.
7.3.1 Removing the Failed DVD-ROM Peripheral From
the System Control (SC) Peripheral Board
Caution – Be sure you are properly grounded before you begin the hardware
removal and installation. There are four ground points on the system cabinet, two at
the front top left and top right, and two at the rear top left and top right.
1. Open the Sun Fire E25K/E20K system cabinet access doors.
2. Power off the SC board.
See Section 6.1.2.2, "Powering Off a System Control (SC) Board" on page
3. Remove the SC peripheral board.
See Section 7.2.3, "Removing a System Control (SC) Peripheral Board" on page
7-8 Sun Fire E25K/E20K Systems Service Manual • April 2004
6-10.
6-4.
7-5.