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7. CentOS AHCI Platform Boot Failure Recovery
In BIOS version 4.05 series, the SATA driver was switched from Ampere Computing eMAG driver to standard AHCI platform driver. This
creates a disk detection issue at boot time if you originally installed CentOS with Ampere Computing eMAG SATA driver. To recover
from this boot failure, follow the steps below:
Boot up CentOS using rescue kernel.
1.
Run the following command to see all the currently installed kernel version images.
2.
# rpm -qa kernel | sed -e 's/kernel-//g'
Run the following command to recover the desired kernel.
3.
# dracut –f -–kver <desired kernel version>
Reboot to that kernel version.
4.
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