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いろいろです。

vagrant up で mount: unknown filesystem type 'vboxsf' が出る場合

すぐ忘れるのでメモ。

環境

Owner: Windows 10 Home Edition
Guest: CentOS7
VirtualBox: 5.1.22
Vagrant: 1.9.5

エラー

Boxは、CentOS7
マニュアル通り初期化。

C:\Users\suprsonicjetboy\dev>vagrant init centos/7
A `Vagrantfile` has been placed in this directory. You are now
ready to `vagrant up` your first virtual environment! Please read
the comments in the Vagrantfile as well as documentation on
`vagrantup.com` for more information on using Vagrant.

Vagrantfileは、ほぼ初期状態で、config.vm.synced_folder だけを追記。

Vagrant.configure("2") do |config|
  config.vm.box = "centos/7"
  config.vm.synced_folder ".", "/vagrant", type: "virtualbox"
end

起動。

C:\Users\suprsonicjetboy\dev>vagrant up --provider virtualbox
Bringing machine 'default' up with 'virtualbox' provider...
==> default: Box 'centos/7' could not be found. Attempting to find and install...
    default: Box Provider: virtualbox
    default: Box Version: >= 0
==> default: Loading metadata for box 'centos/7'
    default: URL: https://atlas.hashicorp.com/centos/7
==> default: Adding box 'centos/7' (v1704.01) for provider: virtualbox
    default: Downloading: https://atlas.hashicorp.com/centos/boxes/7/versions/1704.01/providers/virtualbox.box
    default: Progress: 100% (Rate: 2318k/s, Estimated time remaining: --:--:--)
==> default: Successfully added box 'centos/7' (v1704.01) for 'virtualbox'!
==> default: Importing base box 'centos/7'...
==> default: Matching MAC address for NAT networking...
==> default: Checking if box 'centos/7' is up to date...
==> default: Setting the name of the VM: vm_default_1494922631778_58849
==> default: Clearing any previously set network interfaces...
==> default: Preparing network interfaces based on configuration...
    default: Adapter 1: nat
==> default: Forwarding ports...
    default: 22 (guest) => 2222 (host) (adapter 1)
==> default: Booting VM...
==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 127.0.0.1:2222
    default: SSH username: vagrant
    default: SSH auth method: private key
    default:
    default: Vagrant insecure key detected. Vagrant will automatically replace
    default: this with a newly generated keypair for better security.
    default:
    default: Inserting generated public key within guest...
    default: Removing insecure key from the guest if it's present...
    default: Key inserted! Disconnecting and reconnecting using new SSH key...
==> default: Machine booted and ready!
==> default: Checking for guest additions in VM...
    default: No guest additions were detected on the base box for this VM! Guest
    default: additions are required for forwarded ports, shared folders, host only
    default: networking, and more. If SSH fails on this machine, please install
    default: the guest additions and repackage the box to continue.
    default:
    default: This is not an error message; everything may continue to work properly,
    default: in which case you may ignore this message.
==> default: Mounting shared folders...
    default: /vagrant => C:/Users/suprsonicjetboy/vm
Vagrant was unable to mount VirtualBox shared folders. This is usually
because the filesystem "vboxsf" is not available. This filesystem is
made available via the VirtualBox Guest Additions and kernel module.
Please verify that these guest additions are properly installed in the
guest. This is not a bug in Vagrant and is usually caused by a faulty
Vagrant box. For context, the command attempted was:

mount -t vboxsf -o uid=1000,gid=1000 vagrant /vagrant

The error output from the command was:

mount: unknown filesystem type 'vboxsf'

解決

プラグイン vagrant-vbguest のインストールで一発。

C:\Users\suprsonicjetboy\dev>vagrant plugin install vagrant-vbguest
Installing the 'vagrant-vbguest' plugin. This can take a few minutes...
Fetching: micromachine-2.0.0.gem (100%)
Fetching: vagrant-vbguest-0.14.2.gem (100%)
Installed the plugin 'vagrant-vbguest (0.14.2)'!

C:\Users\suprsonicjetboy\dev>vagrant up --provider virtualbox
Bringing machine 'default' up with 'virtualbox' provider...
==> default: Checking if box 'centos/7' is up to date...
==> default: Clearing any previously set forwarded ports...
==> default: Clearing any previously set network interfaces...
==> default: Preparing network interfaces based on configuration...
    default: Adapter 1: nat
==> default: Forwarding ports...
    default: 22 (guest) => 2222 (host) (adapter 1)
==> default: Booting VM...
==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 127.0.0.1:2222
    default: SSH username: vagrant
    default: SSH auth method: private key
==> default: Machine booted and ready!
[default] No installation found.
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: ftp.iij.ad.jp
 * extras: ftp.iij.ad.jp
 * updates: ftp.iij.ad.jp
Package kernel-devel-3.10.0-514.16.1.el7.x86_64 already installed and latest version
Package gcc-4.8.5-11.el7.x86_64 already installed and latest version
Package binutils-2.25.1-22.base.el7.x86_64 already installed and latest version
Package 1:make-3.82-23.el7.x86_64 already installed and latest version
Package 4:perl-5.16.3-291.el7.x86_64 already installed and latest version
Package bzip2-1.0.6-13.el7.x86_64 already installed and latest version
Nothing to do
Copy iso file C:\Program Files\Oracle\VirtualBox\VBoxGuestAdditions.iso into the box /tmp/VBoxGuestAdditions.iso
mount: /dev/loop0 is write-protected, mounting read-only
Installing Virtualbox Guest Additions 5.1.22 - guest version is unknown
Verifying archive integrity... All good.
Uncompressing VirtualBox 5.1.22 Guest Additions for Linux...........
VirtualBox Guest Additions installer
Copying additional installer modules ...
Installing additional modules ...
vboxadd.sh: Starting the VirtualBox Guest Additions.
Redirecting to /bin/systemctl start  vboxadd.service
Redirecting to /bin/systemctl start  vboxadd-service.service
==> default: Checking for guest additions in VM...
==> default: Mounting shared folders...
    default: /vagrant => C:/Users/suprsonicjetboy/vm
==> default: Machine already provisioned. Run `vagrant provision` or use the `--provision`
==> default: flag to force provisioning. Provisioners marked to run always will still run.

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