debug("param->vtoy_disk_size=%llu size=%llu\n",
(unsigned long long)param->vtoy_disk_size, (unsigned long long)size);
- if (param->vtoy_disk_size == size &&
+ if ((param->vtoy_disk_size == size || param->vtoy_disk_size == size + 512) &&
memcmp(vtguid, param->vtoy_disk_guid, 16) == 0)
{
debug("<%s> is right ventoy disk\n", device);