def main():
loc = lm.LocationMapping()
m = loc.mapping
dsu = loc.dsu_list
keys = sorted(m.keys())
print dsu
for k in keys:
_, o = execute('blockdev --getsz /dev/%s' % m[k])
print '%s: %s %s' % (k, m[k], Sector(o).fit())
def main():
log.info('start to dd all devs')
mapping = lm.LocationMapping().mapping
pool = mp.Pool(processes=len(mapping.keys()))
for dev in mapping.values():
pool.apply_async(dd_dev, (dev,))
pool.close()
pool.join()
log.info('complete to dd all devs')
def main():
m = lm.LocationMapping()
for loc, dev in m.mapping.items():
print 'init disk %s' % dev
os.system('dd if=/dev/zero of=/dev/%s bs=1M count=12 oflag=direct' %
dev)
os.system('sync')
os.system('mysql -uroot -ppasswd < preinit/create_db.sql')
os.system('mysql -uroot < preinit/create_db.sql')
def main():
m = lm.LocationMapping()
for loc, dev in m.mapping.items():
try:
disk = adm.Disk(dev_name=dev)
disk.remove_dev()
except:
pass
print 'init disk %s' % dev
os.system('dd if=/dev/zero of=/dev/%s bs=1M count=16 oflag=direct' %
dev)
db.drop_data()
def handle_zero_disks(self, _=None):
self.handle_stop_zero()
mapping = lm.LocationMapping().mapping
for dev_name in mapping.values():
try:
disk = adm.Disk.lookup(dev_name=dev_name)
except:
continue
if disk.online:
zp = ZeroProcess(disk)
self.zerop[disk.location] = zp
zp.prepare()
for zp in self.zerop.values():
zp.start()
def main():
optmap = dict(getopt.getopt(sys.argv[1:], 's:w:')[0])
try:
sleep_sec = float(optmap['-s'])
except:
sleep_sec = DEFAULT_SLEEP_SEC
try:
tpw = Unit(optmap['-w'])
except:
tpw = DEFAULT_TOTAL_PER_WRITE
log.info('zero disk, sleep second: %s, total_per_write: %s' % (sleep_sec, tpw))
cmd = "ps aux | grep 'python zero_disk.py'"
_,o = execute(cmd, False)
pids = re.findall('\w+?\s+(\d+).+\n', o)
for pid in pids:
if int(pid) <> os.getpid():
cmd = 'kill %s' % pid
execute(cmd, False)
cmd = "ps aux | grep 'dd if=/dev/zero of=/dev/sd'"
_,o = execute(cmd, False)
pids = re.findall('\w+?\s+(\d+).+\n', o)
for pid in pids:
cmd = 'kill %s' % pid
execute(cmd, False)
Disk.delete().execute()
mapping = lm.LocationMapping().mapping
pool = mp.Pool(processes=len(mapping.keys()))
for _,dev_name in mapping.items():
try:
disk = adm.Disk.lookup(dev_name=dev_name)
except:
continue
if disk.online:
pool.apply_async(zero_disk, (disk, dev_name, tpw, sleep_sec))
pool.close()
pool.join()
def main():
m = lm.LocationMapping()
for loc, dev in m.mapping.items():
disk = adm.Disk(dev_name=dev)
disk.remove_dev()