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Groups > comp.sys.mac.system > #119582

Re: APFS on HDD

From Lewis <g.kreme@gmail.com.dontsendmecopies>
Newsgroups comp.sys.mac.system
Subject Re: APFS on HDD
Date 2018-11-19 02:08 +0000
Organization Miskatonic U
Message-ID <slrnpv46p1.2did.g.kreme@Snow.local> (permalink)
References (18 earlier) <LbiHD.830546$3L2.818742@fx44.iad> <psn38s$307$1@dont-email.me> <RWJHD.307536$rK2.124531@fx28.iad> <1nyf1cp.1xsp53r4hod6uN%dempson@actrix.gen.nz> <BTlID.572643$sO2.508519@fx41.iad>

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In message <BTlID.572643$sO2.508519@fx41.iad> JF Mezei <jfmezei.spamnot@vaxination.ca> wrote:
> On 2018-11-18 00:37, David Empson wrote:

>> That may have been the case in APFS version 1 (developer preview on
>> Sierra), which Apple hasn't documented in detail. I haven't tried
>> multi-volume boot scenerios yet, except in separate
>> partitions/containers.

> When I watched the APFS presentation in 2017, it mentiond that APFS
> basically placed the boot information (block location, number of blocks
> to load etc) in block 0 of the GPT partition where the EFI firmware
> would look to see if the GPT partition was bootable.

> So from an EFI point of view, it could only see one bootable volume in
> the GPT partition that containes the APFS container which may contain
> multiple bootable APFS volumes)

I do not elive these two paragraphs are accurate or display am
understanding of how file systems work or anything abotu APFS.

We know for absolute fact that a disk in a mac can have multiple boot
volumes. This has been true as long as the Mac has supported hard
drives. Possibly longer.

> But that would mean that at the EFI level, it cannot list all bootable
> volumes,

See, a normal person would take a statement like that as proof they
didn't understand what was going on. You know damn well that APFS volumes
are bootable and that a disk can have multiple bootable volumes and yet
you persist.
 
> I was really expecting/hoping for an APFS update at this year WWDC to
> discuss how they tackled that challenge.

The "Challenge" you invented? Based on... nothing?

-- 
I noticed that but was still trying to work out a way of drawing it to
everyone's attention that would be sufficiently satisfying, combining
maximum entertainment value for readers with maximum humiliation for you.
   -- Laura

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Thread

Re: APFS on HDD rs99tl@gmail.com - 2018-11-09 17:32 -0800
  Re: APFS on HDD Your Name <YourName@YourISP.com> - 2018-11-10 14:42 +1300
    Re: APFS on HDD RSORLANDO <rs99tl@gmail.com> - 2018-11-09 18:15 -0800
    Re: APFS on HDD Elden <usenet@moondog.org> - 2018-11-09 21:27 -0800
      Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-10 18:52 +1300
        Re: APFS on HDD J Burns <burns@nospam.com> - 2018-11-10 09:11 -0500
          Re: APFS on HDD Your Name <YourName@YourISP.com> - 2018-11-11 10:08 +1300
            Re: APFS on HDD J Burns <burns@nospam.com> - 2018-11-10 17:41 -0500
              Re: APFS on HDD nospam <nospam@nospam.invalid> - 2018-11-10 19:18 -0500
              Re: APFS on HDD Your Name <YourName@YourISP.com> - 2018-11-11 18:03 +1300
                Re: APFS on HDD J Burns <burns@nospam.com> - 2018-11-11 13:21 -0500
                Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-12 03:09 +0000
                Re: APFS on HDD J Burns <burns@nospam.com> - 2018-11-12 02:10 -0500
                Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-12 12:32 +0000
                Re: APFS on HDD Your Name <YourName@YourISP.com> - 2018-11-13 08:14 +1300
                Re: APFS on HDD J Burns <burns@nospam.com> - 2018-11-12 20:29 -0500
                Re: APFS on HDD Your Name <YourName@YourISP.com> - 2018-11-13 18:15 +1300
                Re: APFS on HDD J Burns <burns@nospam.com> - 2018-11-13 09:20 -0500
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-12 02:30 -0500
                Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-12 12:45 +0000
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-12 18:31 -0500
                Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-13 00:04 +0000
                Re: APFS on HDD Your Name <YourName@YourISP.com> - 2018-11-13 13:46 +1300
          Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-11 15:55 +1300
            Re: APFS on HDD J Burns <burns@nospam.com> - 2018-11-10 23:38 -0500
            Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-11 07:18 +0000
              Re: APFS on HDD J Burns <burns@nospam.com> - 2018-11-11 12:39 -0500
                Re: APFS on HDD Your Name <YourName@YourISP.com> - 2018-11-12 09:10 +1300
                Re: APFS on HDD J Burns <burns@nospam.com> - 2018-11-11 19:26 -0500
                Re: APFS on HDD Your Name <YourName@YourISP.com> - 2018-11-12 16:20 +1300
                Re: APFS on HDD J Burns <burns@nospam.com> - 2018-11-12 01:46 -0500
            Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-14 02:05 +1300
        Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-11 07:13 +0000
          Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-12 02:10 -0500
        Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-12 02:02 -0500
          Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-12 21:57 +1300
            Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-12 18:26 -0500
              Re: APFS on HDD Jolly Roger <jollyroger@pobox.com> - 2018-11-13 01:12 +0000
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-12 23:44 -0500
                Re: APFS on HDD Jolly Roger <jollyroger@pobox.com> - 2018-11-13 18:17 +0000
              Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-13 19:38 +1300
                Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-13 10:21 +0000
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-13 05:55 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-14 01:28 +1300
                Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-13 13:40 +0000
                Re: APFS on HDD Jolly Roger <jollyroger@pobox.com> - 2018-11-13 18:18 +0000
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-13 05:57 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-14 01:28 +1300
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-13 13:27 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-14 13:31 +1300
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-14 15:33 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-15 12:04 +1300
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-15 00:35 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-15 22:24 +1300
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-15 12:39 -0500
                Re: APFS on HDD Stephen Hoffman <seaohveh@hoffmanlabs.invalid> - 2018-11-16 13:45 -0500
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-16 20:13 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-18 18:37 +1300
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-18 17:40 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-19 13:42 +1300
                Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-19 02:08 +0000
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-19 15:52 +1300
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-18 22:31 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-20 13:23 +1300
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-19 23:32 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-20 22:05 +1300
                Re: APFS on HDD "David B." <"David B"@nomail.afraid.org> - 2018-11-20 09:36 +0000
                Re: APFS on HDD André G. Isaak <agisaak@gm.invalid> - 2018-11-20 06:12 -0700
                Re: APFS on HDD "David B." <"David B"@nomail.afraid.org> - 2018-11-20 14:28 +0000
                Re: APFS on HDD nospam <nospam@nospam.invalid> - 2018-11-20 09:36 -0500
                Re: APFS on HDD nospam <nospam@nospam.invalid> - 2018-11-20 08:57 -0500
                Re: APFS on HDD "David B." <"David B"@nomail.afraid.org> - 2018-11-20 14:34 +0000
                Re: APFS on HDD nospam <nospam@nospam.invalid> - 2018-11-20 09:36 -0500
                Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-19 05:46 +0000
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-19 02:27 -0500
                Re: APFS on HDD Stephen Hoffman <seaohveh@hoffmanlabs.invalid> - 2018-11-19 11:42 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-20 13:23 +1300
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-19 21:57 -0500
                Re: APFS on HDD dempson@actrix.gen.nz (David Empson) - 2018-11-20 16:28 +1300
                Re: APFS on HDD JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-11-21 13:24 -0500
                Re: APFS on HDD Stephen Hoffman <seaohveh@hoffmanlabs.invalid> - 2018-11-19 11:34 -0500
                Re: APFS on HDD Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-11-13 13:41 +0000
  Re: APFS on HDD Alan Browne <bitbucket@blackhole.com> - 2018-11-11 13:04 -0500

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