Disk and File System Administration - Solaris 9 System Administrator - page 171

Table 7.7 Fields of the /etc/vfstab File

Field Description

Device To Mount Logical block device name of the file system partition to mount.

Device To fsck Logical raw device name used for the fsck command.

Mount Point Subdirectory where the file system should be mounted.

FS Type File system type.

fsck Pass Flag used to indicate whether the fsck command should be exe-

cuted automatically (a nonzero numeric value indicates yes).

Mount At Boot A “yes” indicates that the file system should be mounted at boot

or when the mountall command is executed; otherwise, “no”.

Mount Options Any mount options that are desired and appropriate for the file

system.

The umountall(1M) command is used to unmount all the file systems listed
in the /etc/mnttab file, except root, /proc , /var , and /usr .

Keep in mind the purposes of the /etc/mnttab and /etc/vfstab files. The /etc/mnttab
file lists currently mounted file systems (unless the -m command-line argument is
used with the mount command). The /etc/vfstab file provides a list of file systems
that should be mounted automatically at system boot or when the mountall com-
mand is used.

Accessing Data on CD-ROMs and Floppy
Disks
Properly formatted disks and CD-ROMs can be mounted using the mount
command and accessed like any other file system. The umount command is
also used to unmount a disk or CD-ROM. However, in the Solaris environ-
ment, mounting these types of media is easier by use of Vo lume Management .
Volume Management provides automatic mounting of removable volumes
(floppy disk and CD-ROM). This service is provided by the Volume
Management daemon, vold(1M) . By default, vold is enabled.

Using CD-ROMs
When a CD-ROM is inserted into a CD-ROM drive, the vold program rec-
ognizes it as a properly formatted CD-ROM and automatically mounts it in the
/cdrom directory. The first CD-ROM is mounted at /cdrom/cdrom0 , the second
at /cdrom/cdrom1 , and so on. If the CD-ROM is partitioned, each slice or par-
tition is mounted. For example, if the CD-ROM volume contains six slices ( s0
through s5 ), each is mounted ( /cdrom/cdrom0/s0 through /cdrom/cdrom0/s5 ).
Once mounted, the partitions can be used like any other read-only disk drive.