Пример #1
0
    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
Пример #2
0
    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
Пример #3
0
    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
Пример #4
0
    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