It is true that the BIOS boot partition is limited to a single physical
disk. What I normally do is to replicate it to the other disks with "dd".
As it remains unchanged upon updates, it should be fairly easy to add this
feature to Anaconda, just after the BIOS boot installation.
Of course, after a disk failure, you have to remember to make a copy again
to the new disk.
Another way to automate this would be to have a "checkBIOS" service upon
boot that verifies if all physical disks have the same BIOS-Grub MD5 and if
not, it suggests to replicate or to continue. It can even save the initial
MD5 somewhere under /etc to compare further checks against it.
Carlos
On Sat, May 14, 2022 at 7:52 PM Peter Boy <pboy(a)uni-bremen.de> wrote:
Last meeting we discussed whether we should change to GPT as default
partitioning. Now some of our members have submitted a change proposal to
make GPT the default partitioning for new installations. I think this is
actually long overdue, yet better communication among us would actually be
nice as well.
https://fedoraproject.org/wiki/Changes/GPTforBIOSbyDefault
I don’t know if there is a potential problem. Some time ago, if I remember
correctly it was Neil who wrote in a discussion about storage that a
software RAID is no longer possible, because - so my memory - the biosboot
partition is not replicable over multiple disks. So if the previous boot
disk fails, you can't just boot from another disk.
I never checked it and didn’t read the technical specification. And all
our server have hardware raid. So, does anybody knows about it in detail?
Peter
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