#!/bin/sh
# 假设要解除的软raid 是 /dev/md0
# 卸载 /dev/md0
umount /dev/md0
# 抹掉软raid信息,停软raid,多次执行,确保抹除
mdadm -S /dev/md0
mdadm -S /dev/md0
mdadm -S /dev/md0
mdadm -S /dev/md0
mdadm -S /dev/md0
# 逐盘重新分区
disk_arr=(/dev/nvme0n1 /dev/nvme1n1 /dev/nvme2n1 /dev/nvme3n1)
for device in ${disk_arr[@]}
do
/sbin/fdisk $device 2>&1 << EOF
d
n
p
1
1
36481
t
fd
p
w
EOF
done
# 再次操作抹掉软raid信息,停软raid,多次执行,确保抹除
mdadm -S /dev/md0
mdadm -S /dev/md0
mdadm -S /dev/md0
# 格盘
for disk in {0..3}
do
echo mkfs.ext4 /dev/nvme${disk}n1;
mkfs.ext4 /dev/nvme${disk}n1 > /dev/null 2>&1
done
# 盘信息写入 /etc/fstab
echo "/dev/nvme0n1 /data1 ext4 noatime,acl,user_xattr 1 2
/dev/nvme1n1 /data2 ext4 noatime,acl,user_xattr 1 2
/dev/nvme2n1 /data3 ext4 noatime,acl,user_xattr 1 2
/dev/nvme3n1 /data4 ext4 noatime,acl,user_xattr 1 2" >> /etc/fstab
# 建挂载目录
for i in `seq 1 4`;
do
mkdir /data${i}
done
# 挂载
mount -a
# 查看挂载后效果
df -h
Linux解除软Raid
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转载自blog.csdn.net/weixin_44648216/article/details/103533878
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