def create(self, sr_uuid, size):
if self._checkmount():
raise xs_errors.XenError('SRExists')
# Check none of the devices already in use by other PBDs
if util.test_hostPBD_devs(self.session, sr_uuid, self.root):
raise xs_errors.XenError('SRInUse')
# Check serial number entry in SR records
for dev in self.root.split(','):
if util.test_scsiserial(self.session, dev):
raise xs_errors.XenError('SRInUse')
if not lvutil._checkVG(self.vgname):
lvutil.createVG(self.root, self.vgname)
if lvutil._checkLV(self.remotepath):
raise xs_errors.XenError('SRExists')
try:
numdevs = len(self.root.split(','))
cmd = ["lvcreate", "-n", sr_uuid]
if numdevs > 1:
lowest = -1
for dev in self.root.split(','):
stats = lvutil._getPVstats(dev)
if lowest < 0 or stats['freespace'] < lowest:
lowest = stats['freespace']
size_mb = (lowest / (1024 * 1024)) * numdevs
# Add stripe parameter to command
cmd += ["-i", str(numdevs), "-I", "2048"]
else:
stats = lvutil._getVGstats(self.vgname)
size_mb = stats['freespace'] / (1024 * 1024)
assert (size_mb > 0)
cmd += ["-L", str(size_mb), self.vgname]
text = util.pread(cmd)
cmd = ["lvchange", "-ay", self.remotepath]
text = util.pread(cmd)
except util.CommandException as inst:
raise xs_errors.XenError('LVMCreate', \
opterr='lv operation, error %d' % inst.code)
except AssertionError:
raise xs_errors.XenError('SRNoSpace', \
opterr='Insufficient space in VG %s' % self.vgname)
try:
util.pread2(["mkfs.ext4", "-F", self.remotepath])
except util.CommandException as inst:
raise xs_errors.XenError('LVMFilesystem', \
opterr='mkfs failed error %d' % inst.code)
#Update serial number string
scsiutil.add_serial_record(self.session, self.sr_ref, \
scsiutil.devlist_to_serialstring(self.root.split(',')))
def create(self, sr_uuid, size):
# THIS DRIVER IS DEPRECATED. RAISE.
raise Exception(
'The `ext4` SR type is deprecated since XCP-ng 8.1.\n'
'Use the main `ext` driver instead. It will create an EXT4 filesystem now, '
'not EXT3 anymore as it used to.')
if self._checkmount():
raise xs_errors.XenError('SRExists')
# Check none of the devices already in use by other PBDs
if util.test_hostPBD_devs(self.session, sr_uuid, self.root):
raise xs_errors.XenError('SRInUse')
# Check serial number entry in SR records
for dev in self.root.split(','):
if util.test_scsiserial(self.session, dev):
raise xs_errors.XenError('SRInUse')
if not lvutil._checkVG(self.vgname):
lvutil.createVG(self.root, self.vgname)
if lvutil._checkLV(self.remotepath):
raise xs_errors.XenError('SRExists')
try:
numdevs = len(self.root.split(','))
cmd = ["lvcreate", "-n", sr_uuid]
if numdevs > 1:
lowest = -1
for dev in self.root.split(','):
stats = lvutil._getPVstats(dev)
if lowest < 0 or stats['freespace'] < lowest:
lowest = stats['freespace']
size_mb = (lowest / (1024 * 1024)) * numdevs
# Add stripe parameter to command
cmd += ["-i", str(numdevs), "-I", "2048"]
else:
stats = lvutil._getVGstats(self.vgname)
size_mb = stats['freespace'] / (1024 * 1024)
assert (size_mb > 0)
cmd += ["-L", str(size_mb), self.vgname]
text = util.pread(cmd)
cmd = ["lvchange", "-ay", self.remotepath]
text = util.pread(cmd)
except util.CommandException, inst:
raise xs_errors.XenError('LVMCreate', \
opterr='lv operation, error %d' % inst.code)
def create(self, sr_uuid, size):
if self._checkmount():
raise xs_errors.XenError('SRExists')
# Check none of the devices already in use by other PBDs
if util.test_hostPBD_devs(self.session, sr_uuid, self.root):
raise xs_errors.XenError('SRInUse')
# Check serial number entry in SR records
for dev in self.root.split(','):
if util.test_scsiserial(self.session, dev):
raise xs_errors.XenError('SRInUse')
if not lvutil._checkVG(self.vgname):
lvutil.createVG(self.root, self.vgname)
if lvutil._checkLV(self.remotepath):
raise xs_errors.XenError('SRExists')
try:
numdevs = len(self.root.split(','))
cmd = ["lvcreate", "-n", sr_uuid]
if numdevs > 1:
lowest = -1
for dev in self.root.split(','):
stats = lvutil._getPVstats(dev)
if lowest < 0 or stats['freespace'] < lowest:
lowest = stats['freespace']
size_mb = (lowest / (1024 * 1024)) * numdevs
# Add stripe parameter to command
cmd += ["-i", str(numdevs), "-I", "2048"]
else:
stats = lvutil._getVGstats(self.vgname)
size_mb = stats['freespace'] / (1024 * 1024)
assert(size_mb > 0)
cmd += ["-L", str(size_mb), self.vgname]
text = util.pread(cmd)
cmd = ["lvchange", "-ay", self.remotepath]
text = util.pread(cmd)
except util.CommandException, inst:
raise xs_errors.XenError('LVMCreate', \
opterr='lv operation, error %d' % inst.code)
# One of the PV args failed, delete SR
try:
cmd = ["vgremove", self.vgname]
util.pread2(cmd)
except:
pass
raise xs_errors.XenError('LVMGroupCreate')
if lvutil._checkLV(self.remotepath):
raise xs_errors.XenError('SRExists')
try:
numdevs = len(self.root.split(','))
cmd = ["lvcreate", "-n", sr_uuid]
if numdevs > 1:
lowest = -1
for dev in self.root.split(','):
stats = lvutil._getPVstats(dev)
if lowest < 0 or stats['freespace'] < lowest:
lowest = stats['freespace']
size_mb = (lowest / (1024 * 1024)) * numdevs
# Add stripe parameter to command
cmd += ["-i", str(numdevs), "-I", "2048"]
else:
stats = lvutil._getVGstats(self.vgname)
size_mb = stats['freespace'] / (1024 * 1024)
assert(size_mb > 0)
cmd += ["-L", str(size_mb), self.vgname]
text = util.pread(cmd)
cmd = ["lvchange", "-ay", self.remotepath]
text = util.pread(cmd)