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diskimage-builder/diskimage_builder/elements/iscsi-boot/README.rst

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iscsi-boot

Handles configuration for the disk to be capable of serving as a remote root filesystem through iSCSI. Currently, this element can configure Ubuntu/Debian images and CentOS7 images.

It performs the following actions:

For Ubuntu/Debian images:
  • Installs the open-iscsi package.
  • Creates the etc/iscsi/iscsi.initramfs configuration file and sets ISCSI_AUTO=true within it.
  • Updates the initramfs to apply the changes.
For CentOS7 images:
  • Required dracut-regenerate element when performs disk-image-create.
  • Updates network and iscsi into dracut-regenerate during pre-installs.
  • Updates GRUB_CMDLINE_LINUX_DEFAULT into /etc/default/grub.