def stop(self):
if not self.active:
return 1
command = "%s --stop '%s'" % (RAID.prog, self.device)
if run_script(command, self.chroot) != 0:
log.error("Deactivation of raid '%s' failed: %s", self.name, msg)
return 0
self.active = False
return 1
def stop(self):
if not self.active:
return 1
command = "%s --stop '%s'" % (RAID.prog, self.device)
if run_script(command, self.chroot) != 0:
log.error("Deactivation of raid '%s' failed: %s", self.name, msg)
return 0
self.active = False
return 1
def info(device, chroot=None):
command = "%s --detail '%s'" % (RAID.prog, device)
if run_script(command, chroot) != 0:
log.error("Failed to get details for '%s'.", device)
return None
dict = {}
for line in msg.split("\n"):
line.strip()
if len(line) < 1 or line[0] == '#':
continue
if line.find(":") == -1:
continue
(key, value) = line.split(":", 1)
key = key.strip()
value = value.strip()
try:
if key == "Raid Level":
dict["level"] = long(value[4:])
elif key == "Array Size":
dict["size"] = 1024L * long(value.split()[0])
elif key == "Total Devices":
dict["total-devices"] = long(value)
elif key == "Active Devices":
dict["active-devices"] = long(value)
elif key == "Working Devices":
dict["working-devices"] = long(value)
elif key == "Spare Devices":
dict["spare-devices"] = long(value)
elif key == "Preferred Minor":
dict["preferred-minor"] = long(value)
elif key == "Failed Devices":
dict["failed-devices"] = long(value)
elif key == "State":
dict["state"] = value
elif key == "Layout":
dict["layout"] = value
elif key == "Chunk Size":
dict["chunk-size"] = value
elif key == "UUID":
dict["uuid"] = value
# uuid is not usable, because it changes with device names
# /dev/loopX is not good to get an uuid
except:
log.error("mdadm output malformed.")
return None
dict["device"] = device
return dict
def info(device, chroot=None):
command = "%s --detail '%s'" % (RAID.prog, device)
if run_script(command, chroot) != 0:
log.error("Failed to get details for '%s'.", device)
return None
dict = { }
for line in msg.split("\n"):
line.strip()
if len(line) < 1 or line[0] == '#':
continue
if line.find(":") == -1:
continue
(key, value) = line.split(":", 1)
key = key.strip()
value = value.strip()
try:
if key == "Raid Level":
dict["level"] = long(value[4:])
elif key == "Array Size":
dict["size"] = 1024L * long(value.split()[0])
elif key == "Total Devices":
dict["total-devices"] = long(value)
elif key == "Active Devices":
dict["active-devices"] = long(value)
elif key == "Working Devices":
dict["working-devices"] = long(value)
elif key == "Spare Devices":
dict["spare-devices"] = long(value)
elif key == "Preferred Minor":
dict["preferred-minor"] = long(value)
elif key == "Failed Devices":
dict["failed-devices"] = long(value)
elif key == "State":
dict["state"] = value
elif key == "Layout":
dict["layout"] = value
elif key == "Chunk Size":
dict["chunk-size"] = value
elif key == "UUID":
dict["uuid"] = value
# uuid is not usable, because it changes with device names
# /dev/loopX is not good to get an uuid
except:
log.error("mdadm output malformed.")
return None
dict["device"] = device
return dict
def assemble(self):
command = "%s --assemble '%s'" % (RAID.prog, self.device) + \
" %s" % (" ".join(self.devices))
status = run_script(command, self.chroot)
if status != 0:
log.error("mdadm failed on '%s' with error code %d", self.name,
status)
return 1
self.active = True
dict = self.info(self.device, self.chroot)
if not dict:
self.stop()
return 0
self.level = dict["level"]
self.spares = dict["spare-devices"]
self.preferred_minor = dict["preferred-minor"]
self.size = dict["size"]
return 0
def assemble(self):
command = "%s --assemble '%s'" % (RAID.prog, self.device) + \
" %s" % (" ".join(self.devices))
status = run_script(command, self.chroot)
if status != 0:
log.error("mdadm failed on '%s' with error code %d", self.name,
status)
return 1
self.active = True
dict = self.info(self.device, self.chroot)
if not dict:
self.stop()
return 0
self.level = dict["level"]
self.spares = dict["spare-devices"]
self.preferred_minor = dict["preferred-minor"]
self.size = dict["size"]
return 0
def create(self, level, spares=0):
num = len(self.devices) - spares
self.level = level
self.spares = spares
command = "%s --create '%s' --run" % (RAID.prog, self.device) + \
" --raid-devices=%d" % (num) + \
" --spare-devices=%d" % (self.spares) + \
" --level=%d" % (self.level) + \
" %s" % (" ".join(self.devices))
if run_script(command, self.chroot) != 0:
log.error("Failed to create raid '%s'.", self.name)
return 0
self.active = True
dict = self.info(self.device, self.chroot)
if not dict:
self.stop()
return 0
self.preferred_minor = dict["preferred-minor"]
self.size = dict["size"]
return 1
def create(self, level, spares=0):
num = len(self.devices) - spares
self.level = level
self.spares = spares
command = "%s --create '%s' --run" % (RAID.prog, self.device) + \
" --raid-devices=%d" % (num) + \
" --spare-devices=%d" % (self.spares) + \
" --level=%d" % (self.level) + \
" %s" % (" ".join(self.devices))
if run_script(command, self.chroot) != 0:
log.error("Failed to create raid '%s'.", self.name)
return 0
self.active = True
dict = self.info(self.device, self.chroot)
if not dict:
self.stop()
return 0
self.preferred_minor = dict["preferred-minor"]
self.size = dict["size"]
return 1
def examine(device, chroot=None):
command = "%s -E '%s'" % (RAID.prog, device)
if run_script(command, chroot) != 0:
log.error("Unable to get raid information for '%s'.", device)
return None
dict = {}
for line in msg.split("\n"):
line.strip()
if not line or len(line) < 1:
continue
if line.find(":") != -1:
(key, value) = line.split(":", 1)
key = key.strip()
value = value.strip()
try:
if key == "Magic":
dict["magic"] = value
elif key == "UUID":
dict["uuid"] = value
elif key == "Raid Level":
dict["level"] = long(value[4:])
elif key == "Raid Devices":
dict["raid-devices"] = long(value)
elif key == "Total Devices":
dict["total-devices"] = long(value)
elif key == "Preferred Minor":
dict["preferred-minor"] = long(value)
elif key == "State":
dict["state"] = value
elif key == "Active Devices":
dict["active-devices"] = long(value)
elif key == "Working Devices":
dict["working-devices"] = long(value)
elif key == "Failed Devices":
dict["failed-devices"] = long(value)
elif key == "Spare Devices":
dict["spare-devices"] = long(value)
elif key == "Layout":
dict["layout"] = value
elif key == "Chunk Size":
dict["chunk-size"] = value
except:
log.error("mdadm output malformed.")
return None
else:
splits = line.split()
try:
if splits[0] == "this":
dict["device-number"] = long(splits[1])
except:
log.error("mdadm output malformed.")
return None
for key in [
"magic", "uuid", "level", "raid-devices", "total-devices",
"preferred-minor", "state", "active-devices", "failed-devices",
"device-number"
]:
if not dict.has_key(key):
log.warning("Raid information for '%s' is incomplete: %s",
device, key)
return None
dict["device"] = device
return dict
def examine(device, chroot=None):
command = "%s -E '%s'" % (RAID.prog, device)
if run_script(command, chroot) != 0:
log.error("Unable to get raid information for '%s'.", device)
return None
dict = { }
for line in msg.split("\n"):
line.strip()
if not line or len(line) < 1:
continue
if line.find(":") != -1:
(key, value) = line.split(":", 1)
key = key.strip()
value = value.strip()
try:
if key == "Magic":
dict["magic"] = value
elif key == "UUID":
dict["uuid"] = value
elif key == "Raid Level":
dict["level"] = long(value[4:])
elif key == "Raid Devices":
dict["raid-devices"] = long(value)
elif key == "Total Devices":
dict["total-devices"] = long(value)
elif key == "Preferred Minor":
dict["preferred-minor"] = long(value)
elif key == "State":
dict["state"] = value
elif key == "Active Devices":
dict["active-devices"] = long(value)
elif key == "Working Devices":
dict["working-devices"] = long(value)
elif key == "Failed Devices":
dict["failed-devices"] = long(value)
elif key == "Spare Devices":
dict["spare-devices"] = long(value)
elif key == "Layout":
dict["layout"] = value
elif key == "Chunk Size":
dict["chunk-size"] = value
except:
log.error("mdadm output malformed.")
return None
else:
splits = line.split()
try:
if splits[0] == "this":
dict["device-number"] = long(splits[1])
except:
log.error("mdadm output malformed.")
return None
for key in [ "magic", "uuid", "level", "raid-devices", "total-devices",
"preferred-minor", "state", "active-devices",
"failed-devices", "device-number" ]:
if not dict.has_key(key):
log.warning("Raid information for '%s' is incomplete: %s",
device, key)
return None
dict["device"] = device
return dict