def setrwLV(vg, lv, rw=True):
permission = {False: 'r', True: 'rw'}[rw]
try:
changelv(vg, lv, ("--permission", permission))
except se.StorageException:
l = getLV(vg, lv)
if l.writeable == rw:
# Ignore the error since lv is now rw, hoping that the error was
# because lv was already rw, see BZ#654691. We may hide here
# another lvchange error.
return
raise se.CannotSetRWLogicalVolume(vg, lv, permission)
def setrwLV(vg_name, lv_name, rw=True):
log.info("Changing LV permissions (vg=%s, lv=%s, rw=%s)", vg_name, lv_name,
rw)
permission = {False: 'r', True: 'rw'}[rw]
try:
changelv(vg_name, lv_name, ("--permission", permission))
except se.StorageException:
lv = getLV(vg_name, lv_name)
if lv.writeable == rw:
# Ignore the error since lv is now rw, hoping that the error was
# because lv was already rw, see BZ#654691. We may hide here
# another lvchange error.
return
raise se.CannotSetRWLogicalVolume(vg_name, lv_name, permission)