btrfs-map-logical man page on Alpinelinux
[printable version]
BTRFS-MAP-LOGICAL(8) Btrfs Manual BTRFS-MAP-LOGICAL(8)
NAME
btrfs-map-logical - map btrfs logical extent to physical extent
SYNOPSIS
btrfs-map-logical <options> <device>
DESCRIPTION
btrfs-map-logical can be used to find out what the physical offsets are
on the mirrors, the result is dumped into stdout in default.
Mainly used for debug purpose.
OPTIONS
-l|--logical <logical_num>
Logical extent to map.
-c|--copy <copy>
Copy of the extent to read(usually 1 or 2).
-o|--output <filename>
Output file to hold the extent.
-b|--bytes <bytes>
Number of bytes to read.
EXIT STATUS
btrfs-map-logical will return 0 if no error happened. If any problems
happened, 1 will be returned.
AUTHOR
Written by Shilong Wang and Wenruo Qu.
COPYRIGHT
Copyright © 2013 FUJITSU LIMITED.
License GPLv2: GNU GPL version 2 http://gnu.org/licenses/gpl.html.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
mkfs.btrfs(8)
Btrfs v3.14.2 05/30/2014 BTRFS-MAP-LOGICAL(8)
[top]
List of man pages available for Alpinelinux
Copyright (c) for man pages and the logo by the respective OS vendor.
For those who want to learn more, the polarhome community provides shell access and support.
[legal]
[privacy]
[GNU]
[policy]
[cookies]
[netiquette]
[sponsors]
[FAQ]
Polarhome, production since 1999.
Member of Polarhome portal.
Based on Fawad Halim's script.
....................................................................
|
Vote for polarhome
|