Example #1
0
def get_lun_scsiid_devicename_mapping(targetIQN, portal):
    iscsilib.refresh_luns(targetIQN, portal)
    lunToScsiId={}
    path = os.path.join("/dev/iscsi",targetIQN,portal)
    try:
	deviceToLun = {}
	deviceToScsiId = {}
        for file in util.listdir(path):
	    realPath = os.path.realpath(os.path.join(path, file))
	    if file.find("LUN") == 0 and file.find("_") == -1:		
                lun=file.replace("LUN","")
		if deviceToScsiId.has_key(realPath):
		    lunToScsiId[lun] = (deviceToScsiId[realPath], realPath) 
		else:
		    deviceToLun[realPath] = lun
	        continue
		
	    if file.find("SERIAL-") == 0:
		scsiid = file.replace("SERIAL-", "")
		# found the SCSI ID, check if LUN has already been seen for this SCSI ID.
		if deviceToLun.has_key(realPath):
		    # add this to the map
		    lunId = deviceToLun[realPath]
                    lunToScsiId[lunId] = (scsiid, realPath)
                else:
		    # The SCSI ID was seen first so add this to the map
		    deviceToScsiId[realPath] = scsiid

        return lunToScsiId
    except util.CommandException, inst:
        XenCertPrint("Failed to find any LUNs for IQN: %s and portal: %s" % targetIQN, portal)
        return {}
Example #2
0
def get_lun_scsiid_devicename_mapping(targetIQN, portal):
    iscsilib.refresh_luns(targetIQN, portal)
    lunToScsiId={}
    path = os.path.join("/dev/iscsi",targetIQN,portal)
    try:
	deviceToLun = {}
	deviceToScsiId = {}
        for file in util.listdir(path):
	    realPath = os.path.realpath(os.path.join(path, file))
	    if file.find("LUN") == 0 and file.find("_") == -1:		
                lun=file.replace("LUN","")
		if deviceToScsiId.has_key(realPath):
		    lunToScsiId[lun] = (deviceToScsiId[realPath], realPath) 
		else:
		    deviceToLun[realPath] = lun
	        continue
		
	    if file.find("SERIAL-") == 0:
		scsiid = file.replace("SERIAL-", "")
		# found the SCSI ID, check if LUN has already been seen for this SCSI ID.
		if deviceToLun.has_key(realPath):
		    # add this to the map
		    lunId = deviceToLun[realPath]
                    lunToScsiId[lunId] = (scsiid, realPath)
                else:
		    # The SCSI ID was seen first so add this to the map
		    deviceToScsiId[realPath] = scsiid

        return lunToScsiId
    except util.CommandException, inst:
        XenCertPrint("Failed to find any LUNs for IQN: %s and portal: %s" % targetIQN, portal)
        return {}
Example #3
0
def get_lun_scsiid_devicename_mapping(targetIQN, portal):
    iscsilib.refresh_luns(targetIQN, portal)
    lunToScsiId={}
    path = os.path.join("/dev/iscsi",targetIQN,portal)
    try:
        for file in util.listdir(path):
            realPath = os.path.realpath(os.path.join(path, file))
            if file.find("LUN") == 0 and file.find("_") == -1:		
                lun=file.replace("LUN","")
                scsi_id = scsiutil.getSCSIid(os.path.join(path, file))
                lunToScsiId[lun] = (scsi_id, realPath)

        return lunToScsiId
    except util.CommandException, inst:
        XenCertPrint("Failed to find any LUNs for IQN: %s and portal: %s" % (targetIQN, portal))
        return {}