[ovirt-users] Re: Reinstall without dataloss
Just take a CentOS DVD , select troubleshooting and then once you drop to a shell ->
you can mount /proc/ , /sys , /dev & /run with the bind option and chroot.
Then just follow the procedure for your boot type EFI vs Legacy and recover the files
missing.
Best Regards,
Strahil Nikolov
В събота, 25 септември 2021 г., 12:41:27 ч. Гринуич+3, <hans(a)jiflin.nl> написа:
Hi all,
I am new here, been searching the mailing list on a regular base when I encountered
problems and till now I always was able to keep the system up & running.
As said... till now...
I have oVirt at home, and I have about 7 vm's running on it. Lately I have had some
troubles with my electricity, which results in a complete power outage on a irregular
base.
Yesterday I had a power outage which left the system unbootable with the following
errors:
error: ../../grub-core/loader/i386/pc/linux.c:170:invalid magic number.
error: ../../grub-core/loader/i386/pc/linux.c:1418:you need to load the kernel first.
Press any key to continue
Normally this can be solved following https://access.redhat.com/solutions/5829141, but
his time also the files in /boot had a size of 0 bytes. So basically i did not have a
working kernel on the system anymore.
https://www.thegeekdiary.com/centos-rhel-7-how-to-install-kernel-from-res... does
work for CentOS 8 also, but the ovirt 4.8 iso does not have the same directory structure.
Using CentOS 8 installs a kernel, but not a bootable system.
Is there a way i can start the installer in troubleshooting mode so I can reinstall just
the kernel on the system?
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