Re: TM Backup

From	Jaimie Vandenbergh <jaimie@usually.sessile.org>
Newsgroups	uk.comp.sys.mac
Subject	Re: TM Backup
Date	2020-08-03 21:03 +0000
Message-ID	<horcd5F6d3iU1@mid.individual.net> (permalink)
References	<rg73gd$1h6l$1@gioia.aioe.org> <hoqk4hF1i4tU1@mid.individual.net> <rg9mn9$mr0$1@gioia.aioe.org> <hor6ogF4lh8U2@mid.individual.net> <rg9r66$nh0$1@gioia.aioe.org>

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On 3 Aug 2020 at 21:13:58 BST, "RJH" <patchmoney@gmx.com> wrote:

> On 3 Aug 2020 at 20:27:12 BST, "Jaimie Vandenbergh"
> <jaimie@usually.sessile.org> wrote:
> 
>> On 3 Aug 2020 at 19:57:45 BST, "RJH" <patchmoney@gmx.com> wrote:
>> 
>>> On 3 Aug 2020 at 15:09:22 BST, "Jaimie Vandenbergh"
>>> <jaimie@usually.sessile.org> wrote:
>>> 
>>>> On 3 Aug 2020 at 14:54:17 BST, "RJH" <patchmoney@gmx.com> wrote:
>>>> 
>>>>> As an aside, I find the weekly folder arrangements a lot more reassuring than
>>>>> the old 'bundle'.
>>>> 
>>>> Mount the bundle with a double-click and you'll see all the weekly folders.
>>>> It's just an encapsulation, to reduce network traffic and also allow for TM
>>>> backups to be on drives that aren't formatted Mac. My bundles sit on a NAS
>>>> with a ZFS filesystem, for instance.
>>> 
>>> Ah, right, live/learn - although the original is Mac OS Extended
>>> (Case-sensitive, Journaled).
>>>> 
>>>> Big Sur will be using APFS format disks (and bundles), by the way - but TM
>>>> doesn't convert them, you have to start a new one. With these two disks on
>>>> the
>>>> go, you'll be able to happily clear one and offer it up to Big Sur to
>>>> reformat. It's *so* much faster than HFS, even on spinning disks where APFS
>>>> is
>>>> slower.
>>> 
>>> That's handy, thanks.
>>> 
>>> The file copy is taking a loooong time - still 'preparing to copy', after 6
>>> hours - now on 1.7m items and rising slowly (not sure how many to go), 500GB
>>> total.
>> 
>> It'll take ages. A disk cloner would be better than file by file, because
>> doing the file by file means every single link will be managed separately,
>> even if you have fifty backups all pointing at one file it'll get counted and
>> processed 50 times. A disk cloner will do the copy blockwise instead without
>> caring about the files in it.
> 
> I wish ;-) 
> 
> CCC returns: Time Machine backup volumes use Apple-proprietary filesystem
> devices, and Apple does not support the use of third-party utilities to copy
> Time Machine backups. Use Finder to copy this proprietary data store to
> another disk.
> 
> Chronsync winged about non-accessible permissions.

Betcha Disk Utility would manage it. It's half the speed of 3rd party cloners,
but it gets the job done.

>> If it were a bundle it'd be a lot quicker - those are made up out of 8meg
>> subfiles, there may be tens of thousands of them but there won't be millions
>> :)
>> 
> 
> I don't remember being given a choice. After the NAS TM bundle became trashed
> I started using the USB portable drive connected to the iMac. Still, I am
> where I am  . . .

You aren't given the choice, indeed. But! You should re-enable the NAS as a TM
destination, same reasoning as for two HDDs. Three TMs is about the right
number IMHO.

	Cheers - Jaimie
-- 
"What we have done with PCs so far is not natural" - Craig Mundie, CTO
Microsoft

Thread

TM Backup RJH <patchmoney@gmx.com> - 2020-08-02 19:17 +0000
  Re: TM Backup nospam <nospam@nospam.invalid> - 2020-08-02 15:34 -0400
    Re: TM Backup David_B <DavidB@nomail.afraid.org> - 2020-08-03 00:03 +0100
      Re: TM Backup nospam <nospam@nospam.invalid> - 2020-08-02 19:10 -0400
    Re: TM Backup nmassello@yahoo.com (Neill Massello) - 2020-08-02 20:09 -0600
      Re: TM Backup Snit <usenet@gallopinginsanity.com> - 2020-08-02 22:05 -0700
      Re: TM Backup nospam <nospam@nospam.invalid> - 2020-08-03 15:30 -0400
  Re: TM Backup Jaimie Vandenbergh <jaimie@usually.sessile.org> - 2020-08-03 10:31 +0000
    Re: TM Backup RJH <patchmoney@gmx.com> - 2020-08-03 13:54 +0000
      Re: TM Backup Jaimie Vandenbergh <jaimie@usually.sessile.org> - 2020-08-03 14:09 +0000
        Re: TM Backup RJH <patchmoney@gmx.com> - 2020-08-03 18:57 +0000
          Re: TM Backup Jaimie Vandenbergh <jaimie@usually.sessile.org> - 2020-08-03 19:27 +0000
            Re: TM Backup RJH <patchmoney@gmx.com> - 2020-08-03 20:13 +0000
              Re: TM Backup nospam <nospam@nospam.invalid> - 2020-08-03 16:22 -0400
              Re: TM Backup Jaimie Vandenbergh <jaimie@usually.sessile.org> - 2020-08-03 21:03 +0000
                Re: TM Backup RJH <patchmoney@gmx.com> - 2020-08-04 08:53 +0000
                Re: TM Backup Jaimie Vandenbergh <jaimie@usually.sessile.org> - 2020-08-04 10:58 +0000
                Re: TM Backup Fred <fredbare@[127.0.0.1]> - 2020-08-04 14:30 +0100
                Re: TM Backup Jaimie Vandenbergh <jaimie@usually.sessile.org> - 2020-08-04 17:33 +0000
                Re: TM Backup nospam <nospam@nospam.invalid> - 2020-08-04 13:44 -0400
                Re: TM Backup Elliott Roper <nospam@yrl.co.uk> - 2020-08-04 19:43 +0000
                Re: TM Backup nospam <nospam@nospam.invalid> - 2020-08-04 16:14 -0400
                Re: TM Backup Snit <usenet@gallopinginsanity.com> - 2020-08-04 23:02 +0000
                Re: TM Backup Snit <usenet@gallopinginsanity.com> - 2020-08-04 23:05 +0000
                Re: TM Backup Snit <usenet@gallopinginsanity.com> - 2020-08-05 14:32 +0000
                Re: TM Backup nospam <nospam@nospam.invalid> - 2020-08-05 08:13 -0400
                Re: TM Backup Snit <usenet@gallopinginsanity.com> - 2020-08-05 14:32 +0000
                Re: TM Backup RJH <patchmoney@gmx.com> - 2020-08-05 09:05 +0000
                Re: TM Backup Jaimie Vandenbergh <jaimie@usually.sessile.org> - 2020-08-05 10:54 +0000
                Re: TM Backup TimH <thnews@poboxmolar.com.invalid> - 2020-08-05 14:14 +0000
                Re: TM Backup nospam <nospam@nospam.invalid> - 2020-08-05 10:21 -0400
                Re: TM Backup TimH <thnews@poboxmolar.com.invalid> - 2020-08-05 14:31 +0000
                Re: TM Backup nospam <nospam@nospam.invalid> - 2020-08-05 10:34 -0400
                Re: TM Backup black.hole@jonbradbury.com (Jon B) - 2020-08-05 16:47 +0100
                Re: TM Backup Jaimie Vandenbergh <jaimie@usually.sessile.org> - 2020-08-05 17:13 +0000
                Re: TM Backup TimH <thnews@poboxmolar.com.invalid> - 2020-08-05 21:04 +0000
                Re: TM Backup richard@cogsci.ed.ac.uk (Richard Tobin) - 2020-08-05 23:17 +0000
                Re: TM Backup John Hill <watcombeman@yahoo.co.uk> - 2020-08-06 08:37 +0000
                Re: TM Backup RJH <patchmoney@gmx.com> - 2020-08-06 08:58 +0000
                Re: TM Backup Jaimie Vandenbergh <jaimie@usually.sessile.org> - 2020-08-06 09:58 +0000
                Re: TM Backup Graham J <nobody@nowhere.co.uk> - 2020-08-06 12:30 +0100

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