07-26-2014
I guess you can re-use the 1GB only within the volume manager i.e. lvcreate.
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LEARN ABOUT REDHAT
lvmchange
LVMCHANGE(8) System Manager's Manual LVMCHANGE(8)
NAME
lvmchange - change attributes of the logical volume manager
SYNOPSIS
lvmchange [-d|--debug] [-f|--force] [-h|--help] {[-i|--iop_verion]| [-R|--reset]} [-v|--verbose]
DESCRIPTION
lvmchange allows you to reset the logical volume manager. Please be careful to have all logical volumes closed and/or unused!
OPTIONS
-d, --debug
Enables additional debugging output (if compiled with DEBUG).
-f, --force
Force the action without confirmation.
-h, --help
Print a usage message on standard output and exit successfully.
-i, --iop_version
Display the LVM io protocol version. This version number ensures that no incompatible data is passed to the driver.
-R, --reset
Emergency reset of the logical volume manager. This function is a "last resort" if something goes wrong to allow the the logical
volume manager module to be unloaded. Not used in normal operation. Please be careful NOT to reset when logical volumes are in
use!!!
-v, --verbose
Gives verbose information about lvmchange's activities.
Example
"lvmchange -fR" resets the logical volume manager without confirmation.
DIAGNOSTICS
lvmchange returns an exit code of 0 for success or > 0 for error:
1 error opening logical volume manager
2 error resetting logical volume manager
95 driver/module not in kernel
96 invalid I/O protocol version
97 error locking logical volume manager
99 invalid command line
See also
lvm(8), vgcreate(8), lvcreate(8)
AUTHOR
Heinz Mauelshagen <Linux-LVM@Sistina.com>
Heinz Mauelshagen LVM TOOLS LVMCHANGE(8)