bootstrapping from a USB stick
D. Hugh Redelmeier
hugh at mimosa.com
Mon Sep 1 23:22:02 UTC 2014
| From: Chris Murphy <lists at colorremedies.com>
| On Aug 31, 2014, at 9:00 AM, D. Hugh Redelmeier <hugh at mimosa.com> wrote:
|
| > I have an oldish PC that only understands booting from 512-byte
| > sectors and then only with MBR disks.
| >
| > I want to install large new disks on it, and no old disks. These
| > don't even pretend to do 512-byte sectors: 4k all the way (3T and 4T sizes
| > aren't good for MBR either).
|
| Uhhh, I haven't seen bare drives in the wild with 4096 byte logical and
| physical sectors.
You were right about that (and I was wrong). Thanks!
So I didn't need the mess and bother of a flash stick.
| Old PC's might be OK with GPT so long as there's also a protective MBR.
| By default anaconda/blivet (the Fedora installer), creates a protective
| MBR, but also sets a non-standard flag its 0xEE entry that tricks most
| computer BIOS into accepting GPT. But there are quite a few BIOS that
| will just face plant. So you have to test it to know for sure.
I actually installed Ubuntu 14.04 on the drive (for MythBuntu). It
required a mysterious tiny partition at the start but didn't explain
much about it. The result worked.
Then the requirements changed and I threw the result away :-)
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