LINUX7 creating a logical Volume LV error problem

LINUX7 creating a logical Volume LV error problem

1. System environment

   #系统版本cat /etc/redhat-release CentOS Linux release 7.4.1708 (Core)

2. Create steps

   #创建LVM分区fdisk /dev/sdb

   #安装lvm2包yum install -y lvm2

   #创建pvpvcreate /dev/sdb1

   #创建vgvgdata vgdata /dev/sdb1

   #创建lvlvcreate  -n lvdata -l +100%FREE  vgdata

   #格式化逻辑卷mkfs.ext4 /dev/vgdata/lvdata

   #创建挂载点mkdir /data

3. Create LV Error in LVM

   #创建lvlvcreate  -n lvdata -l +100%FREE  vgdata#报错信息/dev/mapper/vgdata-lvdata: open failed: No such file or directory/dev/vgdata/lvdata: not found: device not clearedAborting. Failed to wipe start of new LV.

4. Workaround

   #使用参数-Znlvcreate -Zn -n lvdata -l +100%FREE  

LINUX7 creating a logical Volume LV error problem