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第 6 章 Configuring an iSCSI target

Configure iSCSI targets by using targetcli to export local storage resources including files, volumes, SCSI devices, and RAM disks. Covers backstore creation, portal setup, LUN configuration, and authentication.

Red Hat Enterprise Linux uses the targetcli shell as a command-line interface to perform the following operations:

  • Add, remove, view, and monitor iSCSI storage interconnects to utilize iSCSI hardware.
  • Export local storage resources that are backed by either files, volumes, local SCSI devices, or by RAM disks to remote systems.

The targetcli tool has a tree-based layout including built-in tab completion, auto-complete support, and inline documentation.

6.1. Installing targetcli
复制链接

Install the targetcli tool to add, monitor, and remove iSCSI storage interconnects. .Procedure

  1. Install the targetcli tool: 

    # dnf install targetcli

  2. Start the target service: 

    # systemctl start target

  3. Configure target to start at boot time: 

    # systemctl enable target

  4. Open port 3260 in the firewall and reload the firewall configuration: 

    # firewall-cmd --permanent --add-port=3260/tcp
success
     
    # firewall-cmd --reload
success

Verification

  • View the targetcli layout: 

    # targetcli
/> ls
o- /........................................[...]
  o- backstores.............................[...]
  | o- block.................[Storage Objects: 0]
  | o- fileio................[Storage Objects: 0]
  | o- pscsi.................[Storage Objects: 0]
  | o- ramdisk...............[Storage Objects: 0]
  o- iscsi...........................[Targets: 0]
  o- loopback........................[Targets: 0]
  o- srpt ...........................[Targets: 0]
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