Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages


home | help
mfssclass(1)		    This is part of MooseFS		  mfssclass(1)

       mfssclass - MooseFS storage classes management tools

       mfsgetsclass [-r] [-n|-h|-H|-k|-m|-g] OBJECT...

       mfssetsclass [-r] [-n|-h|-H|-k|-m|-g] SCLASS_NAME OBJECT...

       mfscopysclass [-r] [-n|-h|-H|-k|-m|-g] SOURCE_OBJECT OBJECT...

       mfsxchgsclass  [-r] [-n|-h|-H|-k|-m|-g] SRC_SCLASS_NAME DST_SCLASS_NAME

       mfslistsclass [-l] [MOUNT_POINT]

       These tools operate on object's storage class name. This	is an extended
       version of classic goal.	 There are predefined storage classes provided
       as equivalents of goals 1 to  9	(names	are  simply  "1","2",...,"9").
       Other classes can be created/modified/deleted etc. by administrator us-
       ing mfsscadmin tool.

       mfsgetsclass prints current storage class of given object(s).   -r  op-
       tion  enables recursive mode, for files there is	no difference, for di-
       rectories it shows the number of	objects	in  each  storage  class  con-
       tainded in the whole subtree of this directory.

       mfssetsclass  changes current storage class of given object(s).	-r op-
       tion enables recursive mode.

       mfscopysclass copies storage class from one object to given object(s).

       mfsxchgsclass sets storage class	to DST_SCLASS_NAME of given objects(s)
       but only	when current storage class is set to SRC_SCLASS_NAME.

       mfslistsclass  lists  currently defined storage classes.	 -l option en-
       ables long format - whole class definition is printed for  each	class,
       not only	its name. For description of storage class definition refer to
       mfsscadmin manpage.

       Most of mfstools	use -n,	-h, -H,	-k, -m and -g options to select	format
       of  printed  numbers.  -n causes	to print exact numbers,	-h uses	binary
       prefixes	(Ki, Mi, Gi as 2^10, 2^20 etc.)	while -H uses SI prefixes  (k,
       M, G as 10^3, 10^6 etc.). -k, -m	and -g show plain numbers respectivaly
       in kibis	(binary	kilo - 1024), mebis (binary mega - 1024^2)  and	 gibis
       (binary	giga - 1024^3).	 The same can be achieved by setting MFSHRFOR-
       MAT environment variable	to: 0 (exact numbers), 1  or  h	 (binary  pre-
       fixes),	2  or  H (SI prefixes),	3 or h+	(exact numbers and binary pre-
       fixes), 4 or H+ (exact numbers and SI  prefixes).  The  default	is  to
       print just exact	numbers.

       When  new  object  is  created  in  MooseFS, attributes such as storage
       class, trashtime	and extra attributes are inherited from	parent	direc-
       tory.  So if you	set i.e. "noowner" attribute and storage class to "im-
       portant"	in a directory then every new object created in	this directory
       will  have  storage  class set to "important" and "noowner" flag	set. A
       newly created object inherits always the	current	set  of	 its  parent's
       attributes.  Changing a directory attribute does	not affect its already
       created children. To change an attribute	for a directory	and all	of its
       children	use -r option.

       Report bugs to <>.

       Copyright (C) 2020 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 un-
       der 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

       mfsmount(8), mfstools(1), mfsscadmin(1)

MooseFS	3.0.115-1		 October 2020			  mfssclass(1)


Want to link to this manual page? Use this URL:

home | help