Disk part for ceph devices

partition.sh

# sdb~e:        4x 1T DATA disk
# nvme0~1n1:    2x 3T META disk

# metadata:     2x(2x(50G DB + 10G WAL))

#!/bin/bash

NVME_DISK_LIST=("/dev/nvme0n1" "/dev/nvme1n1")
DATA_DISK_NUM=4
WAL_SIZE=10240
DB_SIZE=51200

for disk in ${NVME_DISK_LIST[@]}
do
    echo "make $disk gpt"
    parted -s $disk mklabel gpt
done

start=4
for i in $(seq $(($DATA_DISK_NUM/2)))
do
    end=`expr $start + $WAL_SIZE`

    for disk in ${NVME_DISK_LIST[@]}
    do
        echo "part wal for disk $disk, times $i"
        parted $disk mkpart primary ${start}MiB ${end}MiB
    done
    start=$end

    end=`expr $start + $DB_SIZE`
    for disk in ${NVME_DISK_LIST[@]}
    do
        echo "part db for disk $disk, times $i"
        parted $disk mkpart primary ${start}MiB ${end}MiB
    done
    start=$end
done

for disk in ${NVME_DISK_LIST[@]}
do
    parted $disk mkpart primary ${end}MiB 100%
done

echo "part ok."
lsblk