def get_drive_info_for_array(config, raid_dev):
# capture the current status of the drives
num_expected = config.get_as_int('MONITOR_EXPECTED_NUM_DRIVES')
working_drives = raidutils.num_working_drives_in_array(raid_dev)
drives_in_array = raidutils.drives_in_array(raid_dev)
missing_drives = raidutils.get_missing_drives_for_array(config, raid_dev)
# build a list of tuples for all drives with the following information:
# ( drive_num, logical name, serial number, drive state[missing, active, fautly, spare] )
# for missing drives the logical name will be empty
all_drive_information = []
for logical_name, drive_state in drives_in_array:
serial_num = diskutils.id_for_device('/dev/%s' % logical_name)
if serial_num == None:
serial_num = None
drive_num = -1
else:
drive_num = get_drive_number(config, serial_num, num_expected)
all_drive_information.append(
(drive_num, logical_name, serial_num, drive_state))
for drive_num, serial_num in missing_drives:
logical_name = 'None'
drive_state = 'missing'
all_drive_information.append(
(drive_num, logical_name, serial_num, drive_state))
all_drive_information.sort(lambda x, y: cmp(x[0], y[0]))
return [raid_dev, all_drive_information]
def get_drive_info_for_array(config,raid_dev):
# capture the current status of the drives
num_expected = config.get_as_int('MONITOR_EXPECTED_NUM_DRIVES')
working_drives = raidutils.num_working_drives_in_array(raid_dev)
drives_in_array = raidutils.drives_in_array(raid_dev)
missing_drives = raidutils.get_missing_drives_for_array(config,raid_dev)
# build a list of tuples for all drives with the following information:
# ( drive_num, logical name, serial number, drive state[missing, active, fautly, spare] )
# for missing drives the logical name will be empty
all_drive_information = []
for logical_name,drive_state in drives_in_array:
serial_num=diskutils.id_for_device('/dev/%s' % logical_name)
if serial_num==None:
serial_num=None
drive_num=-1
else:
drive_num=get_drive_number(config,serial_num,num_expected)
all_drive_information.append( (drive_num, logical_name, serial_num, drive_state) )
for drive_num,serial_num in missing_drives:
logical_name='None'
drive_state='missing'
all_drive_information.append( (drive_num, logical_name, serial_num, drive_state) )
all_drive_information.sort(lambda x,y: cmp(x[0],y[0]))
return [raid_dev,all_drive_information];
def main(self, md):
"""
Identify the drives in the MD array be serial number
and record in raid_monitor.conf.
Argument is of form 'md0'
"""
syslog.openlog('inv-driveid', 0, syslog.LOG_LOCAL5)
# drives come back sorted for me! Whee!
good_drives=raidutils.drives_in_array(md, True)
if good_drives == None:
message="No drives found for device: %s\n" % md
syslog.syslog(message)
sys.stderr.write(message+"\n")
return -1
if len(good_drives) != 2:
message="Only 1 drive found, not recording result"
syslog.syslog(message)
sys.stderr.write(message+"\n")
return 0
# load config
config = fileutils.ConfigFileDict(constants.INV_RAID_MONITOR_CONFIG_FILE)
for x in (0,1):
id = diskutils.id_for_device('/dev/'+good_drives[x][0])
disk='DISK'+str(x+1)
config.set_as_str(disk,id)
message="%s id: %s" % (disk, id)
sys.stdout.write(message+"\n")
syslog.syslog(message)
config.save_config()
return 0
