def probe(self):
self.uuid = util.gen_uuid()
# When multipathing is enabled, since we don't refcount the multipath maps,
# we should not attempt to do the iscsi.attach/detach when the map is already present,
# as this will remove it (which may well be in use).
if self.mpath == 'true' and self.dconf.has_key('SCSIid'):
maps = []
mpp_lun = False
try:
if (mpp_luncheck.is_RdacLun(self.dconf['SCSIid'])):
mpp_lun = True
link=glob.glob('/dev/disk/mpInuse/%s-*' % self.dconf['SCSIid'])
else:
maps = mpath_cli.list_maps()
except:
pass
if (mpp_lun):
if (len(link)):
raise xs_errors.XenError('SRInUse')
else:
if self.dconf['SCSIid'] in maps:
raise xs_errors.XenError('SRInUse')
self.iscsi.attach(self.uuid)
if not self.iscsi._attach_LUN_bySCSIid(self.SCSIid):
util.SMlog("Unable to detect LUN")
raise xs_errors.XenError('InvalidDev')
self._pathrefresh(LVHDoISCSISR)
out = LVHDSR.LVHDSR.probe(self)
self.iscsi.detach(self.uuid)
return out
def probe(self):
if self.mpath == "true" and self.dconf.has_key('SCSIid'):
# When multipathing is enabled, since we don't refcount the multipath maps,
# we should not attempt to do the iscsi.attach/detach when the map is already present,
# as this will remove it (which may well be in use).
maps = []
try:
maps = mpath_cli.list_maps()
except:
pass
if self.dconf['SCSIid'] in maps:
if (mpp_luncheck.is_RdacLun(self.dconf['SCSIid'])):
mpath_cli.remove_map(self.dconf['SCSIid'])
else:
raise xs_errors.XenError('SRInUse')
else:
if (mpp_luncheck.is_RdacLun(self.dconf['SCSIid'])):
link=glob.glob('/dev/disk/mpInuse/%s-*' % self.dconf['SCSIid'])
if (len(link)):
raise xs_errors.XenError('SRInUse')
self.mpathmodule.refresh(self.SCSIid,0)
try:
self._pathrefresh(LVHDoHBASR)
result = LVHDSR.LVHDSR.probe(self)
if self.mpath == "true":
self.mpathmodule.reset(self.SCSIid,True)
return result
except:
if self.mpath == "true":
self.mpathmodule.reset(self.SCSIid,True)
raise
def probe(self):
self.uuid = util.gen_uuid()
if self.mpath == 'true' and self.dconf.has_key('SCSIid'):
# When multipathing is enabled, since we don't refcount the
# multipath maps, we should not attempt to do the iscsi.attach/
# detach when the map is already present, as this will remove it
# (which may well be in use).
maps = []
try:
maps = mpath_cli.list_maps()
except:
pass
if self.dconf['SCSIid'] in maps:
raise xs_errors.XenError('SRInUse')
self.iscsi.attach(self.uuid)
if not self.iscsi._attach_LUN_bySCSIid(self.SCSIid):
util.SMlog("Unable to detect LUN")
raise xs_errors.XenError('InvalidDev')
self._pathrefresh(OCFSoISCSISR)
out = OCFSSR.OCFSSR.probe(self)
self.iscsi.detach(self.uuid)
return out
def probe(self):
if self.mpath == "true" and 'SCSIid' in self.dconf:
# When multipathing is enabled, since we don't refcount the
# multipath maps, we should not attempt to do the iscsi.attach/
# detach when the map is already present, as this will remove it
# (which may well be in use).
maps = []
try:
maps = mpath_cli.list_maps()
except:
pass
if self.dconf['SCSIid'] in maps:
raise xs_errors.XenError('SRInUse')
self.mpathmodule.refresh(self.SCSIid,0)
try:
self._pathrefresh(OCFSoHBASR)
result = super(OCFSoHBASR, self).probe()
if self.mpath == "true":
self.mpathmodule.reset(self.SCSIid,True)
return result
except:
if self.mpath == "true":
self.mpathmodule.reset(self.SCSIid,True)
raise
def deactivate():
util.SMlog("MPATH: multipath deactivate called")
cmd = ['ln', '-sf', iscsi_default_file, iscsi_file]
if os.path.exists(iscsi_default_file):
# Only do this if using our customized open-iscsi package
util.pread2(cmd)
# Stop the updatempppathd daemon
if _is_mpp_daemon_running():
cmd = ["service", "updatempppathd", "stop"]
util.pread2(cmd)
if _is_mpath_daemon_running():
# Flush the multipath nodes
for sid in mpath_cli.list_maps():
reset(sid,True)
# Disable any active MPP LUN maps (except the root dev)
systemroot = os.path.realpath(util.getrootdev())
for dev in glob.glob(DEVBYMPPPATH + "/*"):
if os.path.realpath(dev) != systemroot:
sid = os.path.basename(dev).split('-')[0]
reset(sid)
else:
util.SMlog("MPP: Found root dev node, not resetting")
# Check the ISCSI daemon doesn't have any active sessions, if not,
# restart in the new mode
if iscsilib.is_iscsi_daemon_running() and not iscsilib._checkAnyTGT():
iscsilib.restart_daemon()
util.SMlog("MPATH: multipath deactivated.")
def probe(self):
if self.mpath == "true" and self.dconf.has_key('SCSIid'):
# When multipathing is enabled, since we don't refcount the multipath maps,
# we should not attempt to do the iscsi.attach/detach when the map is already present,
# as this will remove it (which may well be in use).
maps = []
try:
maps = mpath_cli.list_maps()
except:
pass
if self.dconf['SCSIid'] in maps:
if (mpp_luncheck.is_RdacLun(self.dconf['SCSIid'])):
mpath_cli.remove_map(self.dconf['SCSIid'])
else:
raise xs_errors.XenError('SRInUse')
else:
if (mpp_luncheck.is_RdacLun(self.dconf['SCSIid'])):
link = glob.glob('/dev/disk/mpInuse/%s-*' %
self.dconf['SCSIid'])
if (len(link)):
raise xs_errors.XenError('SRInUse')
self.mpathmodule.refresh(self.SCSIid, 0)
try:
self._pathrefresh(LVHDoHBASR)
result = LVHDSR.LVHDSR.probe(self)
if self.mpath == "true":
self.mpathmodule.reset(self.SCSIid, True)
return result
except:
if self.mpath == "true":
self.mpathmodule.reset(self.SCSIid, True)
raise
def probe(self):
if self.mpath == "true" and self.dconf.has_key('SCSIid'):
# When multipathing is enabled, since we don't refcount the
# multipath maps, we should not attempt to do the iscsi.attach/
# detach when the map is already present, as this will remove it
# (which may well be in use).
maps = []
try:
maps = mpath_cli.list_maps()
except:
pass
if self.dconf['SCSIid'] in maps:
raise xs_errors.XenError('SRInUse')
self.mpathmodule.refresh(self.SCSIid,0)
try:
self._pathrefresh(OCFSoHBASR)
result = super(OCFSoHBASR, self).probe()
if self.mpath == "true":
self.mpathmodule.reset(self.SCSIid,True)
return result
except:
if self.mpath == "true":
self.mpathmodule.reset(self.SCSIid,True)
raise
def probe(self):
self.uuid = util.gen_uuid()
# When multipathing is enabled, since we don't refcount the multipath maps,
# we should not attempt to do the iscsi.attach/detach when the map is already present,
# as this will remove it (which may well be in use).
if self.mpath == 'true' and self.dconf.has_key('SCSIid'):
maps = []
mpp_lun = False
try:
if (mpp_luncheck.is_RdacLun(self.dconf['SCSIid'])):
mpp_lun = True
link = glob.glob('/dev/disk/mpInuse/%s-*' %
self.dconf['SCSIid'])
else:
maps = mpath_cli.list_maps()
except:
pass
if (mpp_lun):
if (len(link)):
raise xs_errors.XenError('SRInUse')
else:
if self.dconf['SCSIid'] in maps:
raise xs_errors.XenError('SRInUse')
self.iscsi.attach(self.uuid)
if not self.iscsi._attach_LUN_bySCSIid(self.SCSIid):
util.SMlog("Unable to detect LUN")
raise xs_errors.XenError('InvalidDev')
self._pathrefresh(LVHDoISCSISR)
out = LVHDSR.LVHDSR.probe(self)
self.iscsi.detach(self.uuid)
return out
def probe(self):
self.uuid = util.gen_uuid()
if self.mpath == 'true' and self.dconf.has_key('SCSIid'):
# When multipathing is enabled, since we don't refcount the
# multipath maps, we should not attempt to do the iscsi.attach/
# detach when the map is already present, as this will remove it
# (which may well be in use).
maps = []
try:
maps = mpath_cli.list_maps()
except:
pass
if self.dconf['SCSIid'] in maps:
raise xs_errors.XenError('SRInUse')
self.iscsi.attach(self.uuid)
if not self.iscsi._attach_LUN_bySCSIid(self.SCSIid):
util.SMlog("Unable to detect LUN")
raise xs_errors.XenError('InvalidDev')
self._pathrefresh(OCFSoISCSISR)
out = OCFSSR.OCFSSR.probe(self)
self.iscsi.detach(self.uuid)
return out
def deactivate():
util.SMlog("MPATH: multipath deactivate called")
# Adjust any HBAs on the host
cmd = [hba_script, "disable"]
util.SMlog(util.pread2(cmd))
cmd = ['ln', '-sf', iscsi_default_file, iscsi_file]
util.pread2(cmd)
# Stop the updatempppathd daemon
if _is_mpp_daemon_running():
cmd = ["/etc/init.d/updatempppathd", "stop"]
util.pread2(cmd)
if _is_mpath_daemon_running():
# Flush the multipath nodes
for sid in mpath_cli.list_maps():
reset(sid, True)
# Disable any active MPP LUN maps (except the root dev)
systemroot = os.path.realpath(util.getrootdev())
for dev in glob.glob(DEVBYMPPPATH + "/*"):
if os.path.realpath(dev) != systemroot:
sid = os.path.basename(dev).split('-')[0]
reset(sid)
else:
util.SMlog("MPP: Found root dev node, not resetting")
# Check the ISCSI daemon doesn't have any active sessions, if not,
# restart in the new mode
if iscsilib.is_iscsi_daemon_running() and not iscsilib._checkAnyTGT():
iscsilib.restart_daemon()
util.SMlog("MPATH: multipath deactivated.")
def deactivate():
util.SMlog("MPATH: multipath deactivate called")
# Adjust any HBAs on the host
cmd = [hba_script, "disable"]
util.SMlog(util.pread2(cmd))
cmd = ['ln', '-sf', iscsi_default_file, iscsi_file]
util.pread2(cmd)
# Stop the updatempppathd daemon
if _is_mpp_daemon_running():
cmd = ["/etc/init.d/updatempppathd", "stop"]
util.pread2(cmd)
if _is_mpath_daemon_running():
# Flush the multipath nodes
for sid in mpath_cli.list_maps():
reset(sid,True)
# Disable any active MPP LUN maps (except the root dev)
systemroot = os.path.realpath(util.getrootdev())
for dev in glob.glob(DEVBYMPPPATH + "/*"):
if os.path.realpath(dev) != systemroot:
sid = os.path.basename(dev).split('-')[0]
reset(sid)
else:
util.SMlog("MPP: Found root dev node, not resetting")
# Check the ISCSI daemon doesn't have any active sessions, if not,
# restart in the new mode
if iscsilib.is_iscsi_daemon_running() and not iscsilib._checkAnyTGT():
iscsilib.restart_daemon()
util.SMlog("MPATH: multipath deactivated.")
def deactivate():
util.SMlog("MPATH: multipath deactivate called")
cmd = ['ln', '-sf', iscsi_default_file, iscsi_file]
if os.path.exists(iscsi_default_file):
# Only do this if using our customized open-iscsi package
util.pread2(cmd)
# Stop the updatempppathd daemon
if _is_mpp_daemon_running():
cmd = ["service", "updatempppathd", "stop"]
util.pread2(cmd)
if _is_mpath_daemon_running():
# Flush the multipath nodes
for sid in mpath_cli.list_maps():
reset(sid, True)
# Disable any active MPP LUN maps (except the root dev)
systemroot = os.path.realpath(util.getrootdev())
for dev in glob.glob(DEVBYMPPPATH + "/*"):
if os.path.realpath(dev) != systemroot:
sid = os.path.basename(dev).split('-')[0]
reset(sid)
else:
util.SMlog("MPP: Found root dev node, not resetting")
# Check the ISCSI daemon doesn't have any active sessions, if not,
# restart in the new mode
if iscsilib.is_iscsi_daemon_running() and not iscsilib._checkAnyTGT():
iscsilib.restart_daemon()
util.SMlog("MPATH: multipath deactivated.")
def deactivate():
util.SMlog("MPATH: dm-multipath deactivate called")
# Adjust any HBAs on the host
if os.path.realpath(mpath_file) != mpath_disable_file:
cmd = [hba_script, "disable"]
util.SMlog(util.pread2(cmd))
cmd = ['ln', '-sf', mpath_disable_file, mpath_file]
util.pread2(cmd)
cmd = ['ln', '-sf', iscsi_default_file, iscsi_file]
util.pread2(cmd)
if _is_mpath_daemon_running():
# Flush the multipath nodes
for sid in mpath_cli.list_maps():
reset(sid,True)
# ...then stop the daemon
cmd = ["/etc/init.d/multipathd", "stop"]
util.pread2(cmd)
# Check the ISCSI daemon doesn't have any active sessions, if not,
# restart in the new mode
if iscsilib.is_iscsi_daemon_running() and not iscsilib._checkAnyTGT():
iscsilib.restart_daemon()
util.SMlog("MPATH: dm-multipath deactivated.")
def deactivate():
util.SMlog("MPATH: multipath deactivate called")
if _is_mpath_daemon_running():
# Flush the multipath nodes
for sid in mpath_cli.list_maps():
reset(sid, True)
# Disable any active MPP LUN maps (except the root dev)
systemroot = os.path.realpath(util.getrootdev())
for dev in glob.glob(DEVBYMPPPATH + "/*"):
if os.path.realpath(dev) != systemroot:
sid = os.path.basename(dev).split('-')[0]
reset(sid)
else:
util.SMlog("MPP: Found root dev node, not resetting")
# Check the ISCSI daemon doesn't have any active sessions, if not,
# restart in the new mode
if iscsilib.is_iscsi_daemon_running() and not iscsilib._checkAnyTGT():
iscsilib.restart_daemon()
util.SMlog("MPATH: multipath deactivated.")
def list():
maps = mpath_cli.list_maps()
for m in maps:
print(m)
def list():
maps = mpath_cli.list_maps()
for m in maps:
print m
assert hconf["multipathhandle"] == "dmp"
except:
mpc_exit(session, 0)
# Check root disk if multipathed
try:
if get_root_dev_major() == get_dm_major():
def _remove(key):
session.xenapi.host.remove_from_other_config(localhost, key)
def _add(key, val):
session.xenapi.host.add_to_other_config(localhost, key, val)
config = session.xenapi.host.get_other_config(localhost)
maps = mpath_cli.list_maps()
# Ensure output headers are not in the list
if "name" in maps:
maps.remove("name")
# first map will always correspond to the root dev, dm-0
assert len(maps) > 0
i = maps[0]
if (not match_bySCSIid) or i == SCSIid:
util.SMlog("Matched SCSIid %s, updating " " Host.other-config:mpath-boot " % i)
key = "mpath-boot"
if not config.has_key(key):
update_config(key, i, "", _remove, _add)
else:
update_config(key, i, config[key], _remove, _add)
except:
util.SMlog("MPATH: Failure updating Host.other-config:mpath-boot db")
if get_root_dev_major() != get_dm_major():
hconf = session.xenapi.host.get_other_config(localhost)
assert(hconf['multipathing'] == 'true')
mpath_enabled = True
except:
mpath_enabled = False
# Check root disk if multipathed
try:
if get_root_dev_major() == get_dm_major():
def _remove(key):
session.xenapi.host.remove_from_other_config(localhost,key)
def _add(key, val):
session.xenapi.host.add_to_other_config(localhost,key,val)
config = session.xenapi.host.get_other_config(localhost)
maps = mpath_cli.list_maps()
# Ensure output headers are not in the list
if 'name' in maps:
maps.remove('name')
# first map will always correspond to the root dev, dm-0
assert(len(maps) > 0)
i = maps[0]
if (not match_bySCSIid) or i == SCSIid:
util.SMlog("Matched SCSIid %s, updating " \
" Host.other-config:mpath-boot " % i)
key="mpath-boot"
if not config.has_key(key):
update_config(key, i, "", _remove, _add)
else:
update_config(key, i, config[key], _remove, _add)
except: