On 8/20/22 15:53, Daniel Axtens wrote:
Really, plain HFS, not HFS+? Wowsers!
Yes, we're currently using HFS.
Just to be clear, by PowerMacs you mean Macs with PowerPC chips, so machines last produced around 2006?
Yes.
Have you checked that you can't boot them with HFS+? Because HFS+ came in 1998, which was (AFAICT) pretty early on in the G3 lifecycle. So I'd be really surprised if the firmware didn't support booting from HFS+. I'd be very keen to hear.
I have not tested that due to lack of time. The problem is that some early firmware versions might have issues with HFS+ that we haven't verified yet.
Anyway, if I've understood correctly, the _most recent_ PowerMacs date from around 16 years ago, and potentially the machines broken by this would be even older. I still think that's in the domain of retrocomputing and I don't understand the use case for running modern software on something where the performance per watt is worse than a recent raspberry pi.
What's wrong with retrocomputing? Debian's popcon currently reports more machines running the 32-bit big-endian Debian port than the 64-bit little endian port, see [1]. I understand the need to sometimes get rid of old code, but since the HFS module can be blacklisted as Vladimir explains, I don't really understand the reasoning in this particular case. FWIW, Gentoo also still uses HFS for booting PowerMacs [2]. Adrian
[1] https://popcon.debian.org/ [2] https://wiki.gentoo.org/wiki/GRUB_on_Open_Firmware_(PowerPC)
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