# 2       SWAP       20GB                          SWAP
# 3 /usr/sap 50GB /usr/sap
# 4 Shared 1 x 512 GiB /hana/shared
# 5、6 Log 2 x 300 GiB striped /hana/log
# 7、8、9 Data 3 x 225 GiB striped /hana/data

# nvme1n1 259:4 0 1.3T 0 disk
# ├─nvme1n1p1 259:5 0 18.6G 0 part [SWAP]
# ├─nvme1n1p2 259:6 0 46.6G 0 part /usr/sap
# ├─nvme1n1p3 259:7 0 476.9G 0 part /hana/shared
# ├─nvme1n1p4 259:8 0 238.4G 0 part /hana/log
# └─nvme1n1p5 259:9 0 476.9G 0 part /hana/data



#!/bin/sh
mkswap /dev/nvme2n1
mkfs.xfs /dev/nvme3n1
mkfs.xfs /dev/nvme4n1
pvcreate /dev/nvme5n1 /dev/nvme6n1 /dev/nvme7n1 /dev/nvme8n1 /dev/nvme9n1
vgcreate vg_log /dev/nvme5n1 /dev/nvme6n1
vgcreate vg_data /dev/nvme7n1 /dev/nvme8n1 /dev/nvme9n1
lvcreate -n lv_log -L 599g vg_log
lvcreate -n lv_data -L 674g vg_data
mkfs.xfs /dev/vg_log/lv_log
mkfs.xfs /dev/vg_data/lv_data

swapoff /dev/nvme1n1p1
umount -lf /usr/sap
umount -lf /hana/shared
umount -lf /hana/log
umount -lf /hana/data

mv /etc/fstab /etc/fstab.bak

cat >> /etc/fstab << EOF
LABEL=ROOT / xfs defaults 0 0
LABEL=EFI /boot/efi vfat defaults 0 0
`blkid /dev/nvme2n1 | awk -F '"' '{print "UUID=" $2}'` swap swap defaults 0 0
`blkid /dev/nvme3n1 | awk -F '"' '{print "UUID=" $2}'` /usr/sap xfs defaults 0 0
`blkid /dev/nvme4n1 | awk -F '"' '{print "UUID=" $2}'` /hana/shared xfs defaults 0 0
`blkid /dev/vg_log/lv_log | awk -F '"' '{print "UUID=" $2}'` /hana/log xfs defaults 0 0
`blkid /dev/vg_data/lv_data | awk -F '"' '{print "UUID=" $2}'` /hana/data xfs defaults 0 0
EOF

mount -a

swapon /dev/nvme2n1

mkdir -p /tools/{sap,shared,log,data}
mount /dev/nvme1n1p2 /tools/sap
mount /dev/nvme1n1p3 /tools/shared
mount /dev/nvme1n1p4 /tools/log
mount /dev/nvme1n1p5 /tools/data

cp -rp /tools/sap/* /usr/sap
cp -rp /tools/shared/* /hana/shared
cp -rp /tools/log/* /hana/log
cp -rp /tools/data/* /hana/data

umount -lf /tools/sap
umount -lf /tools/shared
umount -lf /tools/log
umount -lf /tools/data

echo "finish"


补充:lvm条带卷分散数据
# 创建新的lv卷
pvcreate /dev/nvme10n1 /dev/nvme11n1 /dev/nvme12n1 /dev/nvme13n1 /dev/nvme14n1
vgcreate vg-log /dev/nvme10n1 /dev/nvme11n1
vgcreate vg-data /dev/nvme12n1 /dev/nvme13n1 /dev/nvme14n1
lvcreate -n lv-log -i 2 -I 256 -L 599g vg-log
lvcreate -n lv-data -i 3 -I 256 -L 674g vg-data
mkfs.xfs /dev/vg-log/lv-log
mkfs.xfs /dev/vg-data/lv-data

补充:磁盘使用经验
1) 对一块新的硬盘,可以分成不同区后格式化使用,也可以不分区直接整块盘进行格式化使用。
2) 对一块新的硬盘,lvm操作时可以直接将该盘转为物理卷,也可以将已经分区的非8e的卷的
转化为物理卷。