mhVTL on Linux 7

・ GitHub-mhvtl

Install mhVTL

Setting epel-release repo.

]# wget -O /etc/yum.repos.d/epel-6.repo https://mirrors.aliyun.com/repo/epel-archive-6.repo

]# wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo

Install packages.

]# yum -y install zlib-devel lzo-devel gcc prel kernel-devel mtx mt-st lsscsi sysstat sg3_utils scsi-target-utils

Make install mhvtl and start mhvtl service.

]# wget -O /tmp/mhvtl-1.6-3_release.tar.gz --no-check-certificate /assets/software/mhvtl/mhvtl-1.6-3_release.tar.gz
]# cd /tmp && tar -zxf mhvtl-1.6-3_release.tar.gz

]# cd /tmp/mhvtl-1.6-3_release/kernel
]# make && make install
]# modprobe mhvtl
]# lsmod | grep mhvtl

]# cd /tmp/mhvtl-1.6-3_release
]# make && make install

]# systemctl start mhvtl.target

]# lsscsi -g
[0:0:0:0]    disk    VMware   Virtual disk     2.0   /dev/sda   /dev/sg0
[3:0:0:0]    cd/dvd  NECVMWar VMware SATA CD00 1.00  /dev/sr0   /dev/sg1
[36:0:0:0]   mediumx STK      L700             0106  /dev/sch1  /dev/sg10
[36:0:1:0]   tape    IBM      ULT3580-TD5      0106  /dev/st4   /dev/sg6
[36:0:2:0]   tape    IBM      ULT3580-TD5      0106  /dev/st1   /dev/sg3
[36:0:3:0]   tape    IBM      ULT3580-TD4      0106  /dev/st7   /dev/sg11
[36:0:4:0]   tape    IBM      ULT3580-TD4      0106  /dev/st0   /dev/sg2
[36:0:8:0]   mediumx STK      L80              0106  /dev/sch0  /dev/sg8
[36:0:9:0]   tape    STK      T10000B          0106  /dev/st6   /dev/sg9
[36:0:10:0]  tape    STK      T10000B          0106  /dev/st3   /dev/sg5
[36:0:11:0]  tape    STK      T10000B          0106  /dev/st5   /dev/sg7
[36:0:12:0]  tape    STK      T10000B          0106  /dev/st2   /dev/sg4

Configuring and start tgtd service.

]# cat >>/etc/tgt/targets.conf <<EOF
# Added for mhvtl
<target iqn.2021-09.14.com.dcs.tape>
    backing-store   /dev/sg0
    backing-store   /dev/sg1
    backing-store   /dev/sg10
    backing-store   /dev/sg2
    backing-store   /dev/sg9
    backing-store   /dev/sg6
    backing-store   /dev/sg4
    backing-store   /dev/sg11
    backing-store   /dev/sg5
    backing-store   /dev/sg8
    backing-store   /dev/sg3
    backing-store   /dev/sg7
    device-type pt
    bs-type sg
</target>
# End of add
EOF

]# systemctl restart tgtd

Tape commands.

# show robot status
]# mtx -f /dev/sg10 status

# show drive mount status
]# sg_turs /dev/st0

# load or unload cartridge of slot 1 from drive 0
]# mtx -f /dev/sg10 load 1 0
]# mtx -f /dev/sg10 unload 1 0

# move cartridge for slot 10 to slot 40
]# mtx -f /dev/sg10 transfer 10 40

IBM ITDT - system test

ibm-itdt-system-test