F.2. 使用标签配置 HA-LVM 故障切换

# pvcreate /dev/sd[cde]1

# vgcreate shared_vg /dev/sd[cde]1

# lvcreate -L 10G -n ha_lv shared_vg

# mkfs.ext4 /dev/shared_vg/ha_lv

<rm>  
   <failoverdomains>
       <failoverdomain name="FD" ordered="1" restricted="0">
          <failoverdomainnode name="neo-01" priority="1"/>
          <failoverdomainnode name="neo-02" priority="2"/>
       </failoverdomain>
   </failoverdomains>
   <resources>
       <lvm name="lvm" vg_name="shared_vg" lv_name="ha_lv"/>
       <fs name="FS" device="/dev/shared_vg/ha_lv" force_fsck="0" force_unmount="1" fsid="64050" fstype="ext4" mountpoint="/mnt" options="" self_fence="0"/>
   </resources>
   <service autostart="1" domain="FD" name="serv" recovery="relocate">
       <lvm ref="lvm"/>
       <fs ref="FS"/>
   </service>
</rm>

volume_list = [ "VolGroup00", "@neo-01" ]

# dracut -H -f /boot/initramfs-$(uname -r).img $(uname -r)