(Patrick Welche) writes:

>gpt add -a 4k -l efi0 -s 525256 -t efi wd0

Some other things.

Since your disk is using 512 byte logical blocks, you can chose smaller
clusters and thus a smaller filesystem. Performance for the EFI partition
isn't really a requirement, in particular for reading.

Microsoft requests a minimum EFI partition size of 100MB. Otherwise
Windows installation or recovery may fail. Others recommend at least 500MB.
It is possible that some UEFI code follows such recommendations and fails
to recognize an otherwise valid partition.

Even when none of the caveats matter, some free space comes handy, e.g. if
you want to keep multiple kernels or a multi-boot environment.

                                Michael van Elst
                                "A potential Snark may lurk in every tree."

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