/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
>
>
>
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