Seagate ST11200N Información técnica descargar pdf (Pagina 39)

Configuring Optical Disk Drives

Example 2

Using the previous sample sgscan output, if the desired optical disk drive connects to

SCSI ID 0 of S bus 1 adapter card 1, you would use the following device paths:

Volu me h ead er d evice:

/dev/rdsk/c1t0d0s0

Character device:

/dev/rdsk/c1t0d0s6

Setting the HP Optical Drive Type in Nonvolatile Memory

To use HP optical disk drives, the system must recognize the optical drives as disk drives

at system boot time. If you are adding HP 1.2 gigabyte or equivalent model

magneto-optical disk drives, the system may not recognize these as disk drives.

▼ To recognize these drives

1. Install the sg loadable driver, if it is not already installed. See “Configuring SG and ST

Drivers” on page 9 for information on installing this driver.

2. Use the scsi_command command to change the device type (stored in the drive’s

nonvolatile memory) from optical memory to disk. The format of the command

follows.

/usr/openv/volmgr/bin/scsi_command -d /dev/sg/

sg_id

-disk

sg_id is the logical identifier assigned to the optical disk drive for use by the sg driver.

See “Configuring SCSI Robotic Controls” on page 13 for information on determining

the logical identifier.

Note The /dev path allows Media Manager to access the optical disk drive through the

sg driver. This is an exception to the usual case where Media Manager uses the sg

driver to access robotic controls. Therefore be sure to specify the SCSI ID for the

optical disk drive, not the SCSI ID for the robotic control.

3. Reboot the system with the reconfigure option (boot -r or reboot -- -r) to allow

the drive to be recognized as a disk drive by the kernel’s SCSI disk (sd) driver during

system initialization.

Chapter 2, Sun Solaris 25

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Seagate ST11200N Información técnica Pagina 39