3 ms·

Generally speaking, POST will dominate over OS boot time on modern server hardware. POST is on the order of minutes, tens of minutes for machines with terabytes

by kabdib 10y ago

Generally speaking, POST will dominate over OS boot time on modern server hardware. POST is on the order of minutes, tens of minutes for machines with terabytes of memory . . . and that's with the "fast boot" option selected. I fondly remember the days of desktop systems with their OSes in ROM. You could do "Reset, user interface" about as fast as you could say the words. The whole POST stack has lost its way.

drewg123 10y ago
The sooner we can get rid of both legy BIOS and EFI in favor of Coreboot or something like it, the better. My son's x86 based Chromebook boots to a login screen from cold power off in just a few seconds, and I've always attributed it to using Coreboot rather than BIOS. I mostly don't care about boot times (which is saying a lot, as I do FreeBSD kernel development and reboot server class systems dozens of times a day sometimes), that's just a minor benefit of Coreboot. The legacy nature of BIOS and the complexity of EFI both freak me out from a security / stability point of view. And don't even get me started on the crappy server board vendor's java kvm / impi tools. Sigh. The whole crappy ecosystem is due for a disruption.