This article describes how to mount and unmount a CD-ROM on HP-UX.
To mount a CD-ROM, as the user root, perform the following steps one time:
- Determine the device address for the CD-ROM by entering the following command:
# ioscan -C disk -f -n
Output similar to the following is displayed. This output example indicates that the CD-ROM device file
is /dev/dsk/c1t2d0:
Class I H/W Path Driver S/W State H/W Type Description
===========================================================================
disk 0 8/0/19/0.6.0 sdisk CLAIMED DEVICE IBM DDRS-39130WS
/dev/dsk/c0t6d0 /dev/rdsk/c0t6d0
disk 1 8/16/5.2.0 sdisk CLAIMED DEVICE TOSHIBA CD-ROM XM-6201TA
/dev/dsk/c1t2d0 /dev/rdsk/c1t2d0
- Create a new directory called /cdrom at the root of the file system. This directory becomes the CD-ROM
mount point; all CD-ROM files appear under this directory.
- Determine whether the pfs daemon is running by entering the following command:
# ps -ef | grep pfs
If the pfs daemon is running, output similar to the following is displayed:
root 1681 1651 0 11:39:20 pts/ta 0:00 /usr/sbin/pfs_mountd
root 1682 1681 0 11:39:20 pts/ta 0:00 pfs_mountd.rpc
If the pfs daemon is running, go to Step 6.
If the pfs daemon is not running, complete Step 4 and Step 5
before trying to complete Step 6.
- Edit the file /etc/pfs_fstab by adding a line similar to the following to
indicate the hardware path for the CD-ROM:
/dev/dsk/c0t6d0 /cdrom pfs-rrip xlat=unix 0 0
- Enter the following commands. You must reenter these commands any time that
you restart your system.
# nohup /usr/sbin/pfs_mountd &
# nohup /usr/sbin/pfsd &
- To physically mount the CD-ROM, place the CD-ROM in the machine and enter the following command:
# /usr/sbin/pfs_mount /cdrom
Unmounting a CD-ROM
After you finish using the CD-ROM, enter the following command to unmount it:
# /usr/sbin/pfs_umount /cdrom
You can now eject the CD-ROM.
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