btier_setup(1)

General Commands Manual

btier_setup(1)

NAME

btier_setup - The setup utility for BTIER

BTIER       - A blockdevice that provides automated tiered storage

SYNTAX

Attach : ./btier_setup -f datadev[:datadev:datadev] -s(sync / writethrough) 
		-c(create) -h(help) -B(write direct) 
		-V(write using vfs)
Detach : ./btier_setup -d /dev/tier_device_name

VERSION

This man page documents btier_setup version 0.1.3

DESCRIPTION

btier_setup

OPTIONS

-c: When BTIER is used with a regular file and attached for the first time -c will enable btier_setup to create the file with a size that must be specified with -s
-f: Specify either a blockdevice or a regular file. When regular file is used it must either already exist or -c must be specified with -s
-s: When -s is specified all writes received by btier will be written synchronously to the underlying devices
-z: Specifies the sectorsize. Valid options are 512..4096 bytes.
-B: Do not use vfs, instead use bio's when the underlying device is a real blockdevice. When the underlying device is a file vfs will still be used.
-V: Use vfs even when the underlying device is a real block device.

Email bug reports to
mruijter@gmail.com.

COPYRIGHT

You can redistribute BTIER and btier_setup and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.

BTIER 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.

AUTHOR

Mark Ruijter <mruijter@gmail.com>