.\"
.TH E2MMPSTATUS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
-e2mmpstatus \- Check MMP status of an ext4 filesystem
+e2mmpstatus \- Check MMP status of an ext4 file system
.SH SYNOPSIS
.BR e2mmpstatus " [" \-i ]
-.RI < filesystem >
+.RI < file system >
.SH OPTIONS
.TP
.B \-i
.SH DESCRIPTION
.B e2mmpstatus
is used to check Multiple-Mount Protection (MMP) status of an ext4
-filesystem with the
+file system with the
.B mmp
feature enabled. The specified
-.I filesystem
+.I file system
can be a device name (e.g.
.IR /dev/hdc1 ", " /dev/sdb2 ),
-or an ext4 filesystem label or UUID, for example
+or an ext4 file system label or UUID, for example
.B UUID=8868abf6-88c5-4a83-98b8-bfc24057f7bd
or
.BR LABEL=root .
By default, the
.B e2mmpstatus
-program checks whether it is safe to mount the filesystem without taking
+program checks whether it is safe to mount the file system without taking
the risk of mounting it more than once.
.PP
MMP (multiple-mount protection) is a feature that adds protection against
-the filesystem being modified simultaneously by more than one node.
-It is NOT safe to mount a filesystem when one of the following conditions
+the file system being modified simultaneously by more than one node.
+It is NOT safe to mount a file system when one of the following conditions
is true:
.br
- 1. e2fsck is running on the filesystem.
+ 1. e2fsck is running on the file system.
.br
- 2. the filesystem is in use by another node.
+ 2. the file system is in use by another node.
.br
3. The MMP block is corrupted or cannot be read for some reason.
.br
.SH EXIT CODE
The exit code returned by
.B e2mmpstatus
-is 0 when it is safe to mount the filesystem, 1 when the MMP block shows
-the filesystem is in use on another node and it is NOT safe to mount
-the filesystem, and 2 if some other failure occurred that prevents the
+is 0 when it is safe to mount the file system, 1 when the MMP block shows
+the file system is in use on another node and it is NOT safe to mount
+the file system, and 2 if some other failure occurred that prevents the
check from properly detecting the current MMP status.
.SH SEE ALSO
.BR dumpe2fs (8),