def import_cached(cls, cf = conf.ZPOOL_CACHE):
"""
Import all the pools from zpool cache
Returns
[ZPool]
"""
try:
st = os.stat(cf)
except:
print 'can\'t access %s' % cf
return None
pools = []
xdr = NVPair.unpack_file(cf)
for pool in NVPair.strip(xdr['value']).values():
pools.append(ZPool(pool))
return pools
def import_cached(cls, cf=conf.ZPOOL_CACHE):
"""
Import all the pools from zpool cache
Returns
[ZPool]
"""
try:
st = os.stat(cf)
except:
print 'can\'t access %s' % cf
return None
pools = []
xdr = NVPair.unpack_file(cf)
for pool in NVPair.strip(xdr['value']).values():
pools.append(ZPool(pool))
return pools
def _from_data(self, data):
self.boot_header = data[8 << 10: 16 << 10]
self.nvlist = NVPair.unpack(data[16 << 10: 128 << 10])
self.data = NVPair.strip(self.nvlist['value'])
# find the active uberblock
ub_array = data[128 << 10 :]
ubbest = None
i = 0
for data in split_records(ub_array, UBERBLOCK_SIZE):
ub = UberBlock(data)
ub.index = i
i = i + 1
if not ub.valid():
continue
if ub.better_than(ubbest):
ubbest = ub
# use index here so we don't have to parse blockptr for every ub, that saves a lot
data = get_record(ub_array, UBERBLOCK_SIZE, ubbest.index)
ubbest.ub_rootbp = BlockPtr(data[40: 168])
self.ubbest = ubbest
def _from_data(self, data):
self.boot_header = data[8 << 10:16 << 10]
self.nvlist = NVPair.unpack(data[16 << 10:128 << 10])
self.data = NVPair.strip(self.nvlist['value'])
# find the active uberblock
ub_array = data[128 << 10:]
ubbest = None
i = 0
for data in split_records(ub_array, UBERBLOCK_SIZE):
ub = UberBlock(data)
ub.index = i
i = i + 1
if not ub.valid():
continue
if ub.better_than(ubbest):
ubbest = ub
# use index here so we don't have to parse blockptr for every ub, that saves a lot
data = get_record(ub_array, UBERBLOCK_SIZE, ubbest.index)
ubbest.ub_rootbp = BlockPtr(data[40:168])
self.ubbest = ubbest