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):
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, 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):
systemroot = util.getrootdev()
rootdev = self.root.split(',')[0]
# Create PVs for each device
for dev in self.root.split(','):
if dev in [systemroot, '%s1'%systemroot, '%s2'%systemroot]:
raise xs_errors.XenError('Rootdev', \
opterr=('Device %s contains core system files, ' \
+ 'please use another device') % dev)
if not os.path.exists(dev):
raise xs_errors.XenError('InvalidDev', \
opterr=('Device %s does not exist') % dev)
try:
f = os.open("%s" % dev, os.O_RDWR | os.O_EXCL)
except:
raise xs_errors.XenError('SRInUse')
os.close(f)
try:
# Overwrite the disk header, try direct IO first
cmd = ["dd","if=/dev/zero","of=%s" % dev,"bs=1M", \
"count=100","oflag=direct"]
util.pread2(cmd)
except util.CommandException, inst:
if inst.code == errno.EPERM:
try:
cmd = ["dd","if=/dev/zero","of=%s" % dev,"bs=1M", \
"count=100"]
util.pread2(cmd)
except util.CommandException, inst:
raise xs_errors.XenError('LVMWrite',
opterr='disk %s, error %d' % (dev, inst.code))
else:
raise xs_errors.XenError('LVMWrite',
opterr='disk %s, error %d' % (dev, inst.code))
if not lvutil._checkPV(dev):
try:
cmd = ["pvcreate", "--metadatasize", "10M", dev]
util.pread2(cmd)
except util.CommandException, inst:
raise xs_errors.XenError('LVMPartCreate',
opterr='disk %s, error %d' % (dev, 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, 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):
systemroot = util.getrootdev()
rootdev = self.root.split(',')[0]
# Create PVs for each device
for dev in self.root.split(','):
if dev in [systemroot, '%s1'%systemroot, '%s2'%systemroot]:
raise xs_errors.XenError('Rootdev', \
opterr=('Device %s contains core system files, ' \
+ 'please use another device') % dev)
if not os.path.exists(dev):
raise xs_errors.XenError('InvalidDev', \
opterr=('Device %s does not exist') % dev)
try:
f = os.open("%s" % dev, os.O_RDWR | os.O_EXCL)
except:
raise xs_errors.XenError('SRInUse')
os.close(f)
try:
# Overwrite the disk header, try direct IO first
cmd = ["dd","if=/dev/zero","of=%s" % dev,"bs=1M", \
"count=100","oflag=direct"]
util.pread2(cmd)
except util.CommandException, inst:
if inst.code == errno.EPERM:
try:
cmd = ["dd","if=/dev/zero","of=%s" % dev,"bs=1M", \
"count=100"]
util.pread2(cmd)
except util.CommandException, inst:
raise xs_errors.XenError('LVMWrite',
opterr='disk %s, error %d' % (dev, inst.code))
else:
raise xs_errors.XenError('LVMWrite',
opterr='disk %s, error %d' % (dev, inst.code))
if not lvutil._checkPV(dev):
try:
cmd = ["pvcreate", "--metadatasize", "10M", dev]
util.pread2(cmd)
except util.CommandException, inst:
raise xs_errors.XenError('LVMPartCreate',
opterr='disk %s, error %d' % (dev, inst.code))
def create(self, sr_uuid, size):
if not self.isMaster:
util.SMlog('sr_create blocked for non-master')
raise xs_errors.XenError('LVMMaster')
if lvutil._checkVG(self.vgname):
raise xs_errors.XenError('SRExists')
# Check none of the devices already in use by other PBDs
if util.test_hostPBD_devs(self.session, 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')
systemroot = util.getrootdev()
rootdev = self.root.split(',')[0]
# Create PVs for each device
for dev in self.root.split(','):
if dev in [systemroot, '%s1'%systemroot, '%s2'%systemroot]:
raise xs_errors.XenError('Rootdev', \
opterr=('Device %s contains core system files, ' \
+ 'please use another device') % dev)
if not os.path.exists(dev):
raise xs_errors.XenError('InvalidDev', \
opterr=('Device %s does not exist') % dev)
try:
f = os.open("%s" % dev, os.O_RDWR | os.O_EXCL)
except:
raise xs_errors.XenError('SRInUse', \
opterr=('Device %s in use, please check your existing ' \
+ 'SRs for an instance of this device') % dev)
os.close(f)
try:
# Overwrite the disk header, try direct IO first
cmd = ["dd","if=/dev/zero","of=%s" % dev,"bs=1M","count=100", \
"oflag=direct"]
util.pread2(cmd)
except util.CommandException, inst:
if inst.code == errno.EPERM:
try:
# Overwrite the disk header, try normal IO
cmd = ["dd","if=/dev/zero","of=%s" % dev,"bs=1M", \
"count=100"]
util.pread2(cmd)
except util.CommandException, inst:
raise xs_errors.XenError('LVMWrite', \
opterr='device %s' % dev)
else:
raise xs_errors.XenError('LVMWrite', \
opterr='device %s' % dev)
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)