CentOS

I have a server running CentOS 7 and seems like there is a possible stale mount as df-Th does not return any response. The only solution (thus far) is to hard reboot the server and upon booting everything works fine for a week or so and the same issue is experienced. I have changed the OS drives wit...

Looks like DMRAID was setup and hence the disks were not showing during installation. Performed the following and the issue is now fixed, DEVICE=/dev/sda # dd if=/dev/zero of=$DEVICE bs=512 seek=$(( $(blockdev --getsz $DEVICE) - 1024 )) count=1024 Did the same for /dev/sdb dmraid -r no raid disks

I know this issue has been posted quite a lot on the forum but I am still having issues during installation where local disks are not detected. Boot mode is set to UEFI and SATA setting in BIOS is set to AHCI. Attached is the output of lsblk IMG_2002.JPG Running dmraid -r -E /dev/sda and dmraid -r -...

Reverting to CentOS 7 which is having it's own issues. By the way the error occurred right at the start of installation so I didn't get to select mountpoint or specify username.

I am trying to install CentOS 8 and the installation is failing due to the following error,


The boot mode is set to Dual and there is already Ubuntu installed on the SSD's.

Any ideas what could be wrong here please?

Cheers!

UPDATE: Looks like the BIOS defaulted on settings maybe due to a dead motherboard battery? However, changed the BOOT options to RAID and can boot into the OS fine now. Did not have to rebuild the server.
Can mark this topic as solved.

So I have finally decided to rebuild the server. Thanks for all the help so far.

I seem to be at lost. I cant get to grub.cfg file as from emergency mode there is no /boot directory. And there is no fstab in /etc. There is just fstab.empty.

cat /proc/mdstat gives personalities:
unused: <none>

Thanks for that info Trevor. So is there no way for me to boot into the system currently and to backup data/config files from it. Rebuilding a server is not an issue but I am wearing thin on time tbh.

uhm, sorry Trevor, not sure what that means. Is the issue related to RAID?