def do_stop(self):
if not self.is_up():
self.log.info("%s is already down" % self.label)
return
self.remove_holders()
udevadm_settle()
self.deactivate_lv()
def scanscsi(self, hba=None, target=None, lun=None, log=None):
if not os.path.exists('/sys') or not os.path.ismount('/sys'):
print("scanscsi is not supported without /sys mounted",
file=sys.stderr)
return 1
disks_before = glob.glob('/sys/block/sd*')
disks_before += glob.glob('/sys/block/vd*')
hba_num = self.hba_num(hba)
if hba_num is not None:
hosts = glob.glob('/sys/class/scsi_host/host' + str(hba_num))
target_num = self.target_num(hba_num, target)
else:
hosts = glob.glob('/sys/class/scsi_host/host*')
target_num = None
if target_num is None:
target_num = '-'
if lun is None:
lun = '-'
for host in hosts:
scan_f = host + '/scan'
if not os.path.exists(scan_f):
continue
if log:
log.info("scan %s target%s lun%s", os.path.basename(host),
target_num, lun)
os.system('echo - ' + target_num + ' ' + lun + ' >' + scan_f)
udevadm_settle()
disks_after = glob.glob('/sys/block/sd*')
disks_after += glob.glob('/sys/block/vd*')
new_disks = set(disks_after) - set(disks_before)
if len(new_disks) == 0:
if log:
log.info("scsi scan found no new disk")
return 0
if log:
log.info(self.diskinfo_header())
for disk in new_disks:
if log:
log.info(self.diskinfo_str(disk))
self.wait_devpath("/dev/" + disk.replace("/sys/block/", ""))
return 0
def scanscsi(self, hba=None, target=None, lun=None):
if not os.path.exists('/sys') or not os.path.ismount('/sys'):
print("scanscsi is not supported without /sys mounted",
file=sys.stderr)
return 1
disks_before = glob.glob('/sys/block/sd*')
disks_before += glob.glob('/sys/block/vd*')
hba_num = self.hba_num(hba)
if hba_num is not None:
hosts = glob.glob('/sys/class/scsi_host/host' + str(hba_num))
target_num = self.target_num(hba_num, target)
else:
hosts = glob.glob('/sys/class/scsi_host/host*')
target_num = None
if target_num is None:
target_num = '-'
if lun is None:
lun = '-'
for host in hosts:
scan_f = host + '/scan'
if not os.path.exists(scan_f):
continue
print("scan", os.path.basename(host), "target" + target_num,
"lun" + lun)
os.system('echo - ' + target_num + ' ' + lun + ' >' + scan_f)
udevadm_settle()
disks_after = glob.glob('/sys/block/sd*')
disks_after += glob.glob('/sys/block/vd*')
new_disks = set(disks_after) - set(disks_before)
if len(new_disks) == 0:
print("no new disk found")
return 0
self.print_diskinfo_header()
#for disk in disks_before:
for disk in new_disks:
self.print_diskinfo(disk)
return 0
def snapdestroykey(self, s):
if protected_mount(self.snaps[s]['snap_mnt']):
self.log.error("the snapshot is no longer mounted in %s. panic."%self.snaps[s]['snap_mnt'])
raise ex.excError
cmd = ['fuser', '-kmv', self.snaps[s]['snap_mnt']]
(ret, out, err) = self.vcall(cmd, err_to_info=True)
cmd = [rcEnv.syspaths.umount, self.snaps[s]['snap_mnt']]
(ret, out, err) = self.vcall(cmd)
udevadm_settle()
cmd = ['lvremove', '-A', 'n', '-f', self.snaps[s]['snap_dev']]
self.log.info(' '.join(cmd))
for i in range(1, 30):
out, err, ret = justcall(cmd)
if ret == 0:
break
err_l1 = err.split('\n')
err_l2 = []
out_l = out.split('\n')
for e in err_l1:
if 'This metadata update is NOT backed up' in e:
pass
elif 'Falling back to direct link removal.' in e:
out_l.append(e)
elif 'Falling back to direct node removal.' in e:
out_l.append(e)
else:
err_l2.append(e)
err = '\n'.join(err_l2)
out = '\n'.join(out_l)
if len(out) > 0:
self.log.info(out)
if len(err) > 0:
self.log.error(err)
if ret != 0:
self.log.error("failed to remove snapshot %s (attempts: %d)"%(self.snaps[s]['snap_dev'], i))
elif i > 1:
self.log.info("successfully removed snapshot %s (attempts: %d)"%(self.snaps[s]['snap_dev'], i))
del(self.snaps[s])