#填坑篇
- 初始执行很长时间，最后抛出
exit code 20，检查内核依赖
[root@centos76_01 ~]# drbdadm create-md drbd
read from drbdsetup
: Success
read from drbdsetup
: Success
Command 'drbdmeta 0 v08 /dev/sdc1 internal create-md' terminated with exit code 20
#当前内核
uname -r
#默认启动
grub2-editenv list
#如果不一致，重启切换内核
reboot -h now
- 磁盘存在分区，需要清空This would corrupt existing data
#fdisk 的非交互模式 parted if disk >2T using gpt
#meta-disk 通过脚本计算 metacalc.sh，磁盘对齐
parted /dev/sdd mklabel gpt
parted -a optimal /dev/sdd mkpart primary 0% 2G
parted -a optimal /dev/sdd mkpart primary 2G 100%
parted /dev/sdd p
#notice kernel
partprobe /dev/sdd
#清空meta-disk you need to zero out the first part
dd if=/dev/zero of=/dev/sdd1 bs=1M oflag=direct status=progress
#数据盘格式化
mkfs.ext4 /dev/sdd2
