虚拟机mount local filesystem failed

[root@localhost ~]# mount -a
Error: cannot mount filesystem: Protocol error
[root@localhost ~]# cat /etc/fstab
LABEL=/ / ext3 defaults 1 1
LABEL=/home /home ext3 defaults 1 2
LABEL=/boot /boot ext3 defaults 1 2
tmpfs /dev/shm tmpfs defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
LABEL=SWAP-sda3 swap swap defaults 0 0
# Beginning of the block added by the VMware software
.host:/ /mnt/hgfs vmhgfs defaults,ttl=5 0 0
# End of the block added by the VMware software
[root@localhost ~]#

是安装了vmware tools的缘故吗？注释
#.host:/ /mnt/hgfs vmhgfs defaults,ttl=5 0 0
解决问题
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