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2026-04-19T07:28:30Z
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Ekaanbj: /* Install initiator */
2022-03-27T08:25:30Z
<p><span class="autocomment">Install initiator</span></p>
<p><b>New page</b></p><div>=Configure Storage Server with iSCSI.=<br />
Storage server with iSCSI on network is called iSCSI Target.<br />
Client Host that connects to iSCSI Target is called iSCSI Initiator.<br />
==Install target==<br />
dnf -y install scsi-target-utils<br />
==Create a disk image==<br />
mkdir /ssd/iscsi<br />
dd if=/dev/zero of=/ssd/iscsi/target001.img count=0 bs=1 seek=10G<br />
vim /etc/tgt/conf.d/target01.conf<br />
<target iqn.2022-03.se.halfface.iscsi:target001><br />
# provided devicce as a iSCSI target<br />
backing-store /ssd/iscsi/target001.img<br />
# iSCSI Initiator's IQN you allow to connect. Or set nothing to allow all.<br />
initiator-name iqn.2022-03.se.halfface.iscsi:node01.initiator01<br />
# initiator-address 10.111.222.13<br />
# authentication info ( set anyone you like for "username", "password" )<br />
incominguser username password<br />
</target> <br />
==If selinux.==<br />
chcon -R -t tgtd_var_lib_t /ssd/iscsi<br />
semanage fcontext -a -t tgtd_var_lib_t /ssd/iscsi<br />
==Open firewall==<br />
firewall-cmd --add-service=iscsi-target --permanent<br />
firewall-cmd --reload<br />
==Start tgtd==<br />
systemctl enable --now tgtd<br />
==show status==<br />
tgtadm --mode target --op show<br />
<br />
==Install initiator==<br />
dnf -y install iscsi-initiator-utils<br />
vim /etc/iscsi/initiatorname.iscsi<br />
InitiatorName=iqn.2022-03.se.halfface.iscsi:node01.initiator01<br />
vim /etc/iscsi/iscsid.conf<br />
node.session.auth.authmethod = CHAP<br />
node.session.auth.username = username<br />
node.session.auth.password = password<br />
==Start iscsid service.==<br />
systemctl enable iscsid.service<br />
systemctl restart iscsid.service<br />
==Discover target==<br />
iscsiadm -m discovery -t sendtargets -p 10.111.222.1<br />
[ 1542.659413] Loading iSCSI transport class v2.0-870.<br />
[ 1542.679005] iscsi: registered transport (tcp)<br />
10.0.0.30:3260,1 iqn.2019-11.world.srv:dlp.target01<br />
==Confirm status after discovery==<br />
[root@node01 ~]# iscsiadm -m node -o show<br />
# BEGIN RECORD 2.0-876<br />
node.name = iqn.2019-11.world.srv:dlp.target01<br />
node.tpgt = 1<br />
node.startup = automatic<br />
node.leading_login = No<br />
iface.iscsi_ifacename = default<br />
...<br />
node.conn[0].iscsi.IFMarker = No<br />
node.conn[0].iscsi.OFMarker = No<br />
# END RECORD<br />
==Login to the target==<br />
iscsiadm -m node --login<br />
Logging in to [iface: default, target: iqn.2019-11.world.srv:dlp.target01, portal: 10.0.0.30,3260] (multiple)<br />
Login to [iface: default, target: iqn.2019-11.world.srv:dlp.target01, portal: 10.0.0.30,3260] successful.<br />
==Confirm the established session==<br />
iscsiadm -m session -o show<br />
tcp: [1] 10.0.0.30:3260,1 iqn.2019-11.world.srv:dlp.target01 (non-flash)<br />
Confirm the partitions<br />
lsblk<br />
==Format and mount disk==<br />
gdisk /dev/sda<br />
mount /dev/sda1 /mnt/<br />
==logout from all sessions.==<br />
iscsiadm -m node -u</div>
Ekaanbj