systemd-fsckd.service(8)

NAME

   systemd-fsckd.service, systemd-fsckd.socket, systemd-fsckd - File
   system check progress reporting

SYNOPSIS

   systemd-fsckd.service

   systemd-fsckd.socket

   /lib/systemd/systemd-fsckd

DESCRIPTION

   systemd-fsckd.service is a service responsible for receiving file
   system check progress, and communicating some consolidated data to
   console and plymouth (if running). It also handles possible check
   cancellations.

   systemd-fsckd receives messages about file system check progress from
   fsck through an UNIX domain socket. It can display the progress of the
   least advanced fsck as well as the total number of devices being
   checked in parallel to the console. It will also send progress messages
   to plymouth. Both the raw data and translated messages are sent, so
   compiled plymouth themes can use the raw data to display custom
   messages, and scripted themes, not supporting i18n, can display the
   translated versions.

   systemd-fsckd will instruct plymouth to grab Control+C keypresses. When
   the key is pressed, running checks will be terminated. It will also
   cancel any newly connected fsck instances for the lifetime of
   systemd-fsckd.

PROTOCOL FOR COMMUNICATION WITH PLYMOUTH

   systemd-fsckd passes the following messages to the theme:

   Progress update, sent as a plymouth update message:
   "fsckd:<num_devices>:<progress>:<string>"

   "<num_devices>"
       the current number of devices being checked (int)

   "<progress>"
       the current minimum percentage of all devices being checking
       (float, from 0 to 100)

   "<string>"
       a translated message ready to be displayed by the plymouth theme
       displaying the data above. It can be overridden by themes
       supporting i18n.

   Cancel message, sent as a traditional plymouth message:
   "fsckd-cancel-msg:<string>"

   "<strings>"
       a translated string ready to be displayed by the plymouth theme
       indicating that Control+C can be used to cancel current checks. It
       can be overridden (matching only "fsckd-cancel-msg" prefix) by
       themes supporting i18n.

OPTIONS

   The following options are understood:

   -h, --help
       Print a short help text and exit.

   --version
       Print a short version string and exit.

EXIT STATUS

   On success, 0 is returned, a non-zero failure code otherwise. Note that
   the daemon stays idle for a while to accept new fsck connections before
   exiting.

SEE ALSO

   systemd(1), systemd-fsck(8), fsck(8), systemd-quotacheck.service(8),
   fsck.btrfs(8), fsck.cramfs(8), fsck.ext4(8), fsck.fat(8),
   fsck.hfsplus(8), fsck.minix(8), fsck.ntfs(8), fsck.xfs(8)

---

Free and Open Source Software