Ejemplo n.º 1
0
Archivo: EXTSR.py Proyecto: stormi/sm
    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(',')))
Ejemplo n.º 2
0
    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)
Ejemplo n.º 3
0
    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)
Ejemplo n.º 4
0
                    # One of the PV args failed, delete SR
                    try:
                        cmd = ["vgremove", self.vgname]
                        util.pread2(cmd)                   
                    except:
                        pass
                    raise xs_errors.XenError('LVMGroupCreate')
        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)