lfs-mirror-read(1)

NAME

lfs-mirror-read - read a mirror's content of a mirrored file

SYNOPSIS

DESCRIPTION

This command reads the content of a file's mirror, the file is specified by the path name MIRRORED_FILE, the mirror is specified by its mirror ID MIRROR_ID.

If an OUTPUT_FILE is specified, the content will be written to the file, otherwise the standard output stream will be used.

OPTIONS

-N, --mirror-id MIRROR_ID

This option indicates the content of which mirror specified by MIRROR_ID needs to be read. The MIRROR_ID is the numerical unique identifier for a mirror.

-o, --outfile output_file

The path name of the output file, if not specified, the standard output stream will be used.

EXAMPLES

Dump the content of mirror with mirror ID 3 for /mnt/lustre/file1 to STDOUT:

# lfs mirror read --mirror-id 3 /mnt/lustre/file1

Dump the content of mirror with mirror ID 2 for /mnt/lustre/file1 to file /tmp/m2:

# lfs mirror read -N 2 -o /tmp/m2 /mnt/lustre/file1

AVAILABILITY

The lfs mirror read command is part of the lustre(7) filesystem package since release 2.12.0

SEE ALSO

lfs(1), lfs-getstripe(1), lfs-mirror-copy(1), lfs-mirror-create(1), lfs-mirror-delete(1), lfs-mirror-extend(1), lfs-mirror-resync(1), lfs-mirror-split(1), lfs-mirror-verify(1), lfs-mirror-write(1), lfs-setstripe(1)