/boot on RAID1 with fedora21

Alex Regan mysqlstudent at gmail.com
Fri May 15 20:55:38 UTC 2015


Hi,

>     In the past, it's had a tendency to always put /boot only on
>     /dev/sda, meaning if the first disk dies, the system becomes unable
>     to boot.
>
> I have a software RAID for /boot working on CentOS 6 servers at work, so
> I would be very surprised if it could not also be done in Fedora. It
> does require you to be somewhat familiar with RAID and disk partitioning
> concepts to make it work.

It appears to work, but...

> Also, you have to look out for the boot block install (what
> "grub2-install" puts on the disk). It doesn't do you any good to have a
> RAID for /boot if the boot block isn't also present on both disks.

Installing to /dev/md0 has also been a problem. Is the procedure to 
install /dev/sda and /dev/sdb, then switch the boot order in the BIOS 
when sda dies?

Often times when it dies, it won't automatically switch to another disk, 
it seems.

Thanks,
Alex

>
> --Greg
>
>
>


More information about the users mailing list