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Groups > comp.sys.mac.system > #73220

Re: What happens if I interrupt Cleaning Up part of time machine

From Lewis <g.kreme@gmail.com.dontsendmecopies>
Newsgroups comp.sys.mac.system
Subject Re: What happens if I interrupt Cleaning Up part of time machine
Date 2015-04-14 02:42 +0000
Organization Miskatonic U
Message-ID <slrnmiovnc.500.g.kreme@amelia.local> (permalink)
References (8 earlier) <mge5um$i1c$1@dont-email.me> <slrnminipn.g0.g.kreme@amelia.local> <barmar-31DF87.10105513042015@88-209-239-213.giganet.hu> <slrnmiodig.1p7.g.kreme@amelia.local> <0fc6209d-5205-48f4-888b-a51bd0f91537@googlegroups.com>

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In message <0fc6209d-5205-48f4-888b-a51bd0f91537@googlegroups.com> 
  Király <ggrandish@gmail.com> wrote:
> On Monday, April 13, 2015 at 2:34:12 PM UTC-7, Lewis wrote:
>> No, because of the way Time Machine does backups (hard links) Each
>> backup starts with the entirety of the previous backup, then the files
>> that are different/changed get added.

> Absolutely false. Each Time Machine backup starts with the entirety *of the 
> volume it is backing up*, not with the entirety of the previous backup.

No, you re absolutely wrong. If that were the case, every backup would
take up the full space, which is not the case. Most Time Machine backups
are tiny.

system.log:Apr 13 16:22:30 Jaka.local com.apple.backupd[64675]: Copied
700 items (1.61 GB) from volume Jaka. Linked 5251.
system.log:Apr 13 17:48:36 Jaka.local com.apple.backupd[72137]: Copied
799 items (1.25 GB) from volume Jaka. Linked 5209.

>> As I said, I did test this specific test several years ago. Maybe I did 
>> it wrong?

> You must have, because Time Machine does not and has never worked the way
> you describe. And yes, I know this based on my having tested it myself. You
> need to test it again yourself if you really believe that it works the way
> you say it works.

No, I really don't since I've never lost a file as you have described
and I tested it and the result were what I expected. If you care enough,
I suppose you can duplicate my test.

The first think TimeMachine does in hard link the previous backup. Then
it copies changed files. This would work exactly as I described.

-- 
2 is not equal to 3, not even for large values of 2. Grabel's Law

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Thread

What happens if I interrupt Cleaning Up part of time machine Kurt Ullman <kurtullman@yahoo.com> - 2015-04-10 11:14 -0400
  Re: What happens if I interrupt Cleaning Up part of time machine Alan Browne <alan.browne@freelunchvideotron.ca> - 2015-04-10 12:09 -0400
  Re: What happens if I interrupt Cleaning Up part of time machine J Burns <burns4@nowhere.com> - 2015-04-10 12:09 -0400
    Re: What happens if I interrupt Cleaning Up part of time machine Kurt Ullman <kurtullman@yahoo.com> - 2015-04-10 12:23 -0400
      Re: What happens if I interrupt Cleaning Up part of time machine J Burns <burns4@nowhere.com> - 2015-04-10 13:00 -0400
  Re: What happens if I interrupt Cleaning Up part of time machine nospam <nospam@nospam.invalid> - 2015-04-10 12:23 -0400
  Re: What happens if I interrupt Cleaning Up part of time machine Alan Baker <email@domain.com> - 2015-04-10 09:47 -0700
    Re: What happens if I interrupt Cleaning Up part of time machine John <Man@the.keyboard> - 2015-04-11 02:38 +0100
      Re: What happens if I interrupt Cleaning Up part of time machine Barry Margolin <barmar@alum.mit.edu> - 2015-04-10 22:06 -0400
        Re: What happens if I interrupt Cleaning Up part of time machine John <Man@the.keyboard> - 2015-04-13 00:40 +0100
      Re: What happens if I interrupt Cleaning Up part of time machine Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-04-11 11:45 +0000
        Re: What happens if I interrupt Cleaning Up part of time machine me@home.spamsucks.ca (Király) - 2015-04-12 03:20 +0000
          Re: What happens if I interrupt Cleaning Up part of time machine Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-04-12 05:00 +0000
            Re: What happens if I interrupt Cleaning Up part of time machine me@home.spamsucks.ca (Király) - 2015-04-12 15:14 +0000
              Re: What happens if I interrupt Cleaning Up part of time machine Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-04-12 16:00 +0000
                Re: What happens if I interrupt Cleaning Up part of time machine me@home.spamsucks.ca (Király) - 2015-04-12 16:19 +0000
                Re: What happens if I interrupt Cleaning Up part of time machine John <Man@the.keyboard> - 2015-04-13 00:43 +0100
                Re: What happens if I interrupt Cleaning Up part of time machine Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-04-13 13:56 +0000
                Re: What happens if I interrupt Cleaning Up part of time machine Barry Margolin <barmar@alum.mit.edu> - 2015-04-13 10:10 -0400
                Re: What happens if I interrupt Cleaning Up part of time machine Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-04-13 21:33 +0000
                Re: What happens if I interrupt Cleaning Up part of time machine Király <ggrandish@gmail.com> - 2015-04-13 15:18 -0700
                Re: What happens if I interrupt Cleaning Up part of time machine Barry Margolin <barmar@alum.mit.edu> - 2015-04-13 21:40 -0400
                Re: What happens if I interrupt Cleaning Up part of time machine Alan Baker <email@domain.com> - 2015-04-13 18:49 -0700
                Re: What happens if I interrupt Cleaning Up part of time machine me@home.spamsucks.ca (Király) - 2015-04-14 01:56 +0000
                Re: What happens if I interrupt Cleaning Up part of time machine Alan Baker <email@domain.com> - 2015-04-14 00:31 -0700
                Re: What happens if I interrupt Cleaning Up part of time machine Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-04-14 02:43 +0000
                Re: What happens if I interrupt Cleaning Up part of time machine Barry Margolin <barmar@alum.mit.edu> - 2015-04-14 02:02 -0400
                Re: What happens if I interrupt Cleaning Up part of time machine me@home.spamsucks.ca (Király) - 2015-04-14 06:19 +0000
                Re: What happens if I interrupt Cleaning Up part of time machine Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-04-14 02:42 +0000
                Re: What happens if I interrupt Cleaning Up part of time machine me@home.spamsucks.ca (Király) - 2015-04-14 05:28 +0000
                Re: What happens if I interrupt Cleaning Up part of time machine dempson@actrix.gen.nz (David Empson) - 2015-04-19 16:55 +1200

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