Installing RHEL 7 with GRUB2 HTTP is very slow or timeouts.

Solution In Progress - Updated -

Environment

  • Red Hat Enterprise Linux (RHEL) 7

Issue

  • Installing Red Hat Enterprise Linux 7 with GRUB2 HTTP is very slow or timeouts.

Resolution

  • GRUB2 supports both HTTP and TFTP network boot.
  • If this problem occurs, please use the TFTP protocol to load the kernel and initrd.
  • Put the boot files in the TFTP server directory and set the grub.cfg as follows:
insmod tftp
set root=tftp,1.1.1.1

```

Root Cause

  • It's a known issue that in heavy network traffic. The GRUB2 HTTP protocol is very slow and risks timeout failures.

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