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Contents
# LinuxAdmin Volume Group Representation
#
# Copyright (C) 2013 Red Hat Inc.
# Licensed under the MIT License
class LinuxAdmin
class VolumeGroup < LinuxAdmin
# volume group name
attr_accessor :name
# other fields available
# volume group access
# volume group status
# internal volume group number
# maximum number of logical volumes
# current number of logical volumes
# open count of all logical volumes in this volume group
# maximum logical volume size
# maximum number of physical volumes
# current number of physical volumes
# actual number of physical volumes
# size of volume group in kilobytes
# physical extent size
# total number of physical extents for this volume group
# allocated number of physical extents for this volume group
# free number of physical extents for this volume group
# uuid of volume group
def initialize(args = {})
@name = args[:name]
end
def attach_to(lv)
run!(cmd(:lvextend),
:params => [lv.name, self.name])
self
end
def extend_with(pv)
run!(cmd(:vgextend),
:params => [@name, pv.device_name])
pv.volume_group = self
self
end
def self.create(name, pv)
self.scan # initialize local volume groups
run!(cmd(:vgcreate),
:params => [name, pv.device_name])
vg = VolumeGroup.new :name => name
pv.volume_group = vg
@vgs << vg
vg
end
def self.scan
@vgs ||= begin
vgs = []
out = run!(cmd(:vgdisplay), :params => { '-c' => nil}).output
out.each_line do |line|
fields = line.lstrip.split(':')
vgs << VolumeGroup.new(:name => fields[0])
end
vgs
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems