NAME¶

mkcp - make a NILFS2 checkpoint

SYNOPSIS¶

mkcp [options] [device|node]

DESCRIPTION¶

mkcp is a utility for making a checkpoint or snapshot for the NILFS2 file system found in device. device may be a block device or a filesystem node (file or directory) on the filesystem. When device is omitted, it tries to find a NILFS2 file system from /proc/mounts.

This command is valid only for mounted NILFS2 file systems, and will fail if the device has no active mounts.

OPTIONS¶

-s, --snapshot

Create a snapshot.

-p, --print

Print the checkpoint number when successfully created.

-h, --help

Display help message and exit.

-V, --version

Display version and exit.

AUTHOR¶

Koji Sato

AVAILABILITY¶

mkcp is part of the nilfs-utils package and is available from https://nilfs.sourceforge.io.

SEE ALSO¶

nilfs(8), lscp(1), chcp(8), rmcp(8), nilfs-tune(8).