02-17-2006
From the mount man page:
Quote:
(i) The command
mount -a [-t type] [-O optlist]
(usually given in a bootscript) causes all file systems mentioned in
fstab (of the proper type and/or having or not having the proper
options) to be mounted as indicated, except for those whose line con-
tains the noauto keyword. Adding the -F option will make mount fork, so
that the filesystems are mounted simultaneously.
(ii) When mounting a file system mentioned in fstab, it suffices to
give only the device, or only the mount point.
(iii) Normally, only the superuser can mount file systems. However,
when fstab contains the user option on a line, anybody can mount the
corresponding system.
Thus, given a line
/dev/cdrom /cd iso9660 ro,user,noauto,unhide
any user can mount the iso9660 file system found on his CDROM using the
command
mount /dev/cdrom
or
mount /cd
For more details, see fstab(5)
(See your man page for mount for specifics to your OS and/or post your OS and version)
/dev/hda1 / ext3 defaults,errors=remount-ro 0 1
hda1 is the physical device
/ is the mount point
ext3 is the filesystem type
defaults,errors=remount-ro are options to the mount command errors=remount-ro means if errors are encountered, remount the partition as read-only (-ro). So if you are doing a remount rw, you are remounting it read-write after errors were encountered. Instead of doing that, you might want to fix the problems that it's having.
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LEARN ABOUT OPENSOLARIS
systemd-remount-fs.service
SYSTEMD-REMOUNT-FS.SERVICE(8) systemd-remount-fs.service SYSTEMD-REMOUNT-FS.SERVICE(8)
NAME
systemd-remount-fs.service, systemd-remount-fs - Remount root and kernel file systems
SYNOPSIS
systemd-remount-fs.service
/lib/systemd/systemd-remount-fs
DESCRIPTION
systemd-remount-fs.service is an early boot service that applies mount options listed in fstab(5) to the root file system, the /usr file
system, and the kernel API file systems. This is required so that the mount options of these file systems -- which are pre-mounted by the
kernel, the initial RAM disk, container environments or system manager code -- are updated to those listed in /etc/fstab. This service
ignores normal file systems and only changes the root file system (i.e. /), /usr and the virtual kernel API file systems such as /proc,
/sys or /dev. This service executes no operation if /etc/fstab does not exist or lists no entries for the mentioned file systems.
For a longer discussion of kernel API file systems see API File Systems[1].
SEE ALSO
systemd(1), fstab(5), mount(8)
NOTES
1. API File Systems
https://www.freedesktop.org/wiki/Software/systemd/APIFileSystems
systemd 237 SYSTEMD-REMOUNT-FS.SERVICE(8)