linux磁盘分区及逻辑卷

1.xfs格式化，挂载磁盘【基本磁盘挂载】

mkdir -p  /mnt/sdb
mkfs.xfs -f -n ftype=1 /dev/sdb
mount /dev/sdb  /mnt/sdb
blkid | grep sdb | sed s/\"//g | awk '{print $2 " /mnt/sdb xfs defaults 0 0 # sdb"}' >> /etc/fstab

2.划分逻辑卷、逻辑卷扩容、逻辑卷回缩
https://blog.csdn.net/j_ychen/article/details/79404197

3.磁盘阵列、磁盘raid比较
https://www.cnblogs.com/Wolf-Dreams/p/10693115.html