Article 4VTN8 Unable to Install Centos 7.7.1908 with RAID1 on 400GB SSDs: "sdb may not have enough space for grub 2 to embed core.img when using the xfs"

Unable to Install Centos 7.7.1908 with RAID1 on 400GB SSDs: "sdb may not have enough space for grub 2 to embed core.img when using the xfs"

by
keennay
from LinuxQuestions.org on (#4VTN8)
Quote:
sdb may not have enough space for grub 2 to embed core.img when using the xfs file system on mdarray
The above is the error I receive when attempting to install Centos 7.7.1908 from a USB drive (BIOS boot) onto two 400GB SAS SSDs and configure the boot, root, and swap directories as RAID1. The target device is a Dell PowerEdge 720 at my physical location.

I however do not see this problem when attempting to install on 1.92TB SSDs laying around, though I only have a few of those and more of the 400GB SSDs. At first I thought this was a problem with my disk capacity, but here is one YouTube video where the uploader had no issues setting up the OS in a RAID 1 setup with 20GB drives:

https://youtu.be/NaLDbO4DZ30

Here's my screen:

20191128-165452.jpglatest?d=yIl2AUoC8zA latest?i=H196lI65PK4:IoaABq-gbNI:F7zBnMy latest?i=H196lI65PK4:IoaABq-gbNI:V_sGLiP latest?d=qj6IDK7rITs latest?i=H196lI65PK4:IoaABq-gbNI:gIN9vFwH196lI65PK4
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