Ubuntu installs the Virtual Tape library Mhvtl method

The project needs to use the tape library, first installs the Virtual tape library MHVTL to simulate, below is the detailed installation step, needs the friend to be possible to refer to under

　　1 Download source

From the website https://sites.google.com/site/linuxvtl2/home#mhvtl-download download the latest version of MHVTL, I am under the latest mhvtl-2013-10-20.tgz version.

　　2 Ensure kernel versions are consistent

Make sure your kernel is open and your system is running a version of the kernel, because MHVTL has a kernel module that compiles it, if the kernel is open and your system is running a kernel that is not a version, the kernel module in the installation MHVTL is not loaded into the kernel, Although it can be modified by the vermagic_string in the include/linux/vermagic.h of the source code to match the current PC kernel uname-r, it is not recommended.

　　3 Extract Source code

Tar Xvfz mhvtl-2013-10-20.tgz

　　4 Install four packages LSSCSI,SG3_UTILS,LIBLZO2-DEV,MTX directly with the Apt-get Install command to install it

Apt-get LSSCSI sg3_utils Liblzo2-dev MTX

The Liblzo2-dev package is not loaded when you compile MHVTL, you are prompted not to find the file lzo/lzoconf.h

　　5 Create MHVTL groups and users

/usr/sbin/groupadd--system VTL

/usr/sbin/useradd--system-c "vitrual Tape Library"-d/opt/vtl-g vtl-m VTL

　　6 Compiling kernel modules

CD Mhvtl-2013-10-20/kernel

Make

Make install

　　7 Compiling User space code

CD mhvtl-2013-10-20

Make

Make install

　　8 Modify/OPT/MHVTL and/ETC/MHVTL directory owners, do not modify the start MHVTL

Chown-r VTL:VTL/OPT/MHVTL

Chown-r VTL:VTL/ETC/MHVTL

/ETC/MHVTL is the configuration file path,/OPT/MHVTL is the virtual tape Library storage path

　　9 Starting the MHVTL daemon

/ETC/INIT.D/MHVTL start

　　10 View Virtual Tape library status information

Lsscsi-g

We can see that our virtual device is hanging on the hba#6, where the MEDIUMX type of device is the picker, in this case the/DEV/SG13,/DEV/SG14.

Run command mtx-f/DEV/SG13 status