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# lvm.py - lvm probing control
#
# Jeremy Katz <katzj@redhat.com>
#
# Copyright 2002 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# general public license.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import iutil
import os,sys
import string
def vgscan():
"""Runs vgscan."""
rc = iutil.execWithRedirect("/usr/sbin/vgscan",
["vgscan", "-v"],
stdout = "/tmp/lvmout",
stderr = "/tmp/lvmout",
searchPath = 1)
if rc:
raise SystemError, "vgscan failed"
def vgactivate():
"""Activate volume groups by running vgchange -ay."""
rc = iutil.execWithRedirect("/usr/sbin/vgchange",
["vgchange", "-ay"],
stdout = "/tmp/lvmout",
stderr = "/tmp/lvmout",
searchPath = 1)
if rc:
raise SystemError, "vgchange failed"
def vgdeactivate():
"""Deactivate volume groups by running vgchange -an."""
rc = iutil.execWithRedirect("/usr/sbin/vgchange",
["vgchange", "-an"],
stdout = "/tmp/lvmout",
stderr = "/tmp/lvmout",
searchPath = 1)
if rc:
raise SystemError, "vgchange failed"
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