Configure iSCSI Initiator2019/01/17 |
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Configure iSCSI Initiator.
This example is based on the environment below.
+----------------------+ | +----------------------+ | [ iSCSI Target ] |10.0.0.30 | 10.0.0.31| [ iSCSI Initiator ] | | dlp.srv.world +----------+----------+ www.srv.world | | | | | +----------------------+ +----------------------+ |
| [1] | Configure iSCSI Initiator. |
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www:~ #
zypper -n install open-iscsi
www:~ #
vi /etc/iscsi/initiatorname.iscsi # change to the same IQN you set on the iSCSI target server InitiatorName= iqn.2019-01.world.srv:www.initiator01
www:~ #
vi /etc/iscsi/iscsid.conf # line 58: uncomment node.session.auth.authmethod = CHAP # line 62,63: uncomment and specify the username and password you set on the iSCSI target node.session.auth.username = username node.session.auth.password = password
www:~ #
systemctl restart iscsi iscsid
# discover target www:~ # iscsiadm -m discovery -t sendtargets -p 10.0.0.30 10.0.0.30:3260,1 iqn.2019-01.world.srv:dlp.target01 # confirm status after discovery www:~ # iscsiadm -m node -o show # BEGIN RECORD 2.0-876 node.name = iqn.2019-01.world.srv:dlp.target01 node.tpgt = 1 node.startup = manual node.leading_login = No iface.iscsi_ifacename = default ..... ..... node.conn[0].iscsi.IFMarker = No node.conn[0].iscsi.OFMarker = No # END RECORD # login to the target www:~ # iscsiadm -m node --login Logging in to [iface: default, target: iqn.2019-01.world.srv:dlp.target01, portal: 10.0.0.30,3260] Login to [iface: default, target: iqn.2019-01.world.srv:dlp.target01, portal: 10.0.0.30,3260] successful. # confirm the established session www:~ # iscsiadm -m session -o show tcp: [1] 10.0.0.30:3260,1 iqn.2019-01.world.srv:dlp.target01 (non-flash) # confirm the partitions www:~ # cat /proc/partitions major minor #blocks name 252 0 31457280 sda 252 1 31455232 sda1 253 0 30441472 dm-0 253 1 999424 dm-1 8 0 10485760 sdb # added new device provided from the target server as [sdb]
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| [2] | After setting iSCSI devide, configure on Initiator to use it like follwos. |
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# create label www:~ # parted --script /dev/sdb "mklabel msdos" # create partiton www:~ # parted --script /dev/sdb "mkpart primary 0% 100%" # format with ext4 www:~ # mkfs.ext4 /dev/sdb1
mke2fs 1.43.8 (1-Jan-2018)
Creating filesystem with 2619392 4k blocks and 655360 inodes
Filesystem UUID: dd9d1cd0-4597-421c-950a-47c1353860be
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632
Allocating group tables: done
Writing inode tables: done
Creating journal (16384 blocks): done
Writing superblocks and filesystem accounting information: done
# mount www:~ # mount /dev/sdb1 /mnt www:~ # df -hT Filesystem Type Size Used Avail Use% Mounted on devtmpfs devtmpfs 1.8G 0 1.8G 0% /dev tmpfs tmpfs 1.9G 0 1.9G 0% /dev/shm tmpfs tmpfs 1.9G 17M 1.8G 1% /run tmpfs tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup /dev/sda2 btrfs 40G 2.4G 38G 6% / /dev/sda2 btrfs 40G 2.4G 38G 6% /boot/grub2/x86_64-efi /dev/sda2 btrfs 40G 2.4G 38G 6% /tmp /dev/sda2 btrfs 40G 2.4G 38G 6% /var /dev/sda2 btrfs 40G 2.4G 38G 6% /.snapshots /dev/sda2 xfs 37G 70M 37G 1% /home /dev/sda2 btrfs 40G 2.4G 38G 6% /opt /dev/sda2 btrfs 40G 2.4G 38G 6% /boot/grub2/i386-pc /dev/sda2 btrfs 40G 2.4G 38G 6% /usr/local /dev/sda2 btrfs 40G 2.4G 38G 6% /srv /dev/sda2 btrfs 40G 2.4G 38G 6% /root tmpfs tmpfs 371M 0 371M 0% /run/user/0 /dev/sdb1 ext4 9.8G 37M 9.3G 1% /mnt |
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