mfsmetadump.8

.TH mfsmetadump "8" "November 2017" "MooseFS 3.0.98-1" "This is part of MooseFS"
.SH NAME
mfsmetadump - dump MooseFS metadata info in human readable format
.SH SYNOPSIS
\fBmfsmetadump\fP \fImetadata_file\fP
.SH DESCRIPTION
\fBmfsmetadump\fP dumps MooseFS metadata info in human readable format. 
Output consists of several sections with different types of information. Every section consist
of header data - rows starting with hash (#) sign - and content data (may be empty).
.SH FILE HEADER
.TP 20
header
MooseFS version
.TP
version
metadata file version
.TP
fileid
metadata file id
.SH SECTION HEADER
.TP 20
section header 
section header (section type + version)
.TP
length
length of section
.TP
section type
name of section
.TP
version
hexadecimal representation of section version
.SH SESS SECTION
.TP 20
nextsessionid
first free session id
.TP
statscount
number of stats remembered in each session
.TP 10
SESSION
line describing a single session
.RS
.IP s
session id
.IP p
IP address
.IP r
root inode number
.IP f
session flags
.IP g
mingoal and maxgoal
.IP t
mintrashtime and maxtrashtime
.IP m
maproot uid,gid and mapall uid,gid
.IP d
disconnection time (optional)
.IP c
current hour stats data
.IP l
last hour stats data
.IP i
session name (usually local mount point)
.RE
.SH LABELS SECTION
.TP 20
section header 
section header (section type + version)
.TP
length
length of section
.TP
section type
name of section (always LABS for labels)
.TP
version
hexadecimal representation of section version
.TP 10
LABELDESC
line with label description
.RS
.IP l
label letter
.IP n
label description
.RE
.TP 10
LABELSET line with one labels set used in system
.RS
.IP #
labelset number
.IP m
creation mode
.IP d
arch delay
.IP c
create labels
.IP k
keep labels
.IP a
archive labels
.RE
.SH NODES SECTION
.TP 20
maxinode
maximum inode number used by system
.TP
hashelements
number of inodes in hash tabble
.TP 10
NODE 
line with node (inode) description
.RS
.IP k
node type (-,D,S,F,B,C,L,T,R)
.RS
.IP -
file
.IP D
directory
.IP S
socket
.IP F
fifo
.IP B
block device
.IP C
character device
.IP L
symbolic link
.IP T
trash file
.IP R
sustained file (removed open file)
.RE
.IP i
inode number
.IP #
labelset number (10+) or goal (1-9)
.IP e
flags
.IP m
mode
.IP u
uid
.IP g
gid
.IP a,m,c
atime, mtime and ctime timestamps
.IP t
trashtime
.IP d
rdevhi,rdevlo (only block and character devices)
.IP p
path (only symbolic links)
.IP l
file length (only files)
.IP c
chunk list (only files)
.IP r
sessions that have this file open (only files)
.SH EDGES SECTION
.TP 20
nextedgeid
next available edge id (descending)
.TP 10
EDGE
line with edge description
.RS
.IP p
parent inode number
.IP c
child inode number
.IP i
edge id
.IP n
edge name
.RE
.SH FREE SECTION
.TP 20
free nodes
number of free (reusable) nodes
.TP 10
FREEID
line with free inode description
.RS
.IP i
inode number
.IP f
deletion timestamp
.RE
.SH QUOTA SECTION
.TP 20
quota nodes
number of nodes with quota
.TP 10
QUOTA
line with quota description
.RS
.IP i
inode number
.IP g
grace period
.IP e
exceeded
.IP f
flags
.IP s
soft quota exceeded timestamp
.IP si
soft inode quota
.IP hi
hard inode quota
.IP sl
soft length quota
.IP hl
hard length quota
.IP ss
soft size quota
.IP hs
hard size quota
.IP sr
soft real size quota
.IP hr
hard real size quota
.RE
.SH XATR SECTION
.TP 10
XATTR
line with xattr description
.RS
.IP i
inode number
.IP n
xattr name
.IP v
xattr value
.RE
.SH POSIX ACL SECTION
.TP 10
POSIXACL
line with acl description
.RS
.IP i
inode number
.IP t
acl type
.IP u
user (file owner) permissions
.IP g
group permissions
.IP o
other permissions
.IP m
permission mask
.IP n
named permissions - list of objects:
.RS
.IP u(\fIU\fp):\fIP\fP
permissions \fIP\fP for user with uid \fIU\fP
.IP g(\fIG\fp):\fIP\fP
permissions \fIP\fP for group with gid \fIG\fP
.RE
.RE
.SH OPEN SECTION
.TP 10
OPENFILE
line with open file description
.RS
.IP s
session id
.IP i
inode number
.RE
.SH FLOCK SECTION
.TP 10
FLOCK
line with flock-lock description
.RS
.IP i
inode number
.IP s
session id
.IP o
lock owner (FUSE lock owner)
.IP t
lock type ('R' - shared lock, 'W' - exclusive lock)
.RE
.SH POSIX LOCK SECTION
.TP 10
POSIXLOCK
line with posix-lock description
.RS
.IP i
inode number
.IP s
session id
.IP o
lock owner (FUSE lock owner)
.IP p
local process id (owner pid)
.IP r
lock range in format <\fISTART\fP,\fIEND\fP)
.IP t
lock type ('R' - shared lock, 'W' - exclusive lock)
.RE
.SH CHUNKSERVERS SECTION
.TP 20
chunk servers
number of chunkservers
.TP 10
CHUNCKSERVER
line with chunk server description
.RS
.IP i
server ip
.IP p
server port
.IP #
server id
.IP m
maintenance mode
.RE
.SH CHUNKS SECTION
.TP 20
nextchunkid
first available chunk number
.TP 10
CHUNK
line with chunk description
.RS
.IP i
chunk number
.IP v
chunk version
.IP t
"locked to" timestamp
.IP a
archive flag
.RE
.SH "REPORTING BUGS"
Report bugs to <bugs@moosefs.com>.
.SH COPYRIGHT
Copyright (C) 2017 Jakub Kruszona-Zawadzki, Core Technology Sp. z o.o.

This file is part of MooseFS.

MooseFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 2 (only).

MooseFS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with MooseFS; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA
or visit http://www.gnu.org/licenses/gpl-2.0.html
.SH "SEE ALSO"
.BR mfsmaster (8)