Re: TM Backup

From	RJH <patchmoney@gmx.com>
Newsgroups	uk.comp.sys.mac
Subject	Re: TM Backup
Date	2020-08-05 09:05 +0000
Organization	Aioe.org NNTP Server
Message-ID	<rgdsp3$1osg$1@gioia.aioe.org> (permalink)
References	<rg73gd$1h6l$1@gioia.aioe.org> <horcd5F6d3iU1@mid.individual.net> <rgb7mc$1prr$1@gioia.aioe.org> <hostadF7i90U1@mid.individual.net>

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On 4 Aug 2020 at 11:58:21 BST, "Jaimie Vandenbergh"
<jaimie@usually.sessile.org> wrote:

> On 4 Aug 2020 at 09:53:32 BST, "RJH" <patchmoney@gmx.com> wrote:
> 
>> On 3 Aug 2020 at 22:03:33 BST, "Jaimie Vandenbergh"
>> <jaimie@usually.sessile.org> wrote:
>> 
>>> 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.
>> 
>> Gave up on the file copy - after about 12 hours, 2 of the 8 million files had
>> been 'prepared'. And even if it got as far as preparing, copy's by no means
>> guaranteed from the suspect disk.
>> 
>> Do you mean create an image, and copying that, using DU?
> 
> "Restore". Choose the destination new drive, and "Restore" the old TM drive
> to
> it. All very arse-backwards.
> 
> Also it's a bit flaky, occasionally it just refuses to get going and needs a
> reboot or drives replug before it'll admit to knowing how to rather than
> tossing a -1283612786 error.
> 
>> As it is I'm using a trial of Superduper - that's gone straight to copy,
>> about
>> 20GB/hr using USB3. So even that is going to take over a day to copy 500GB.
> 
> Oh, that'll do! Much more likely to work first time.
> 
> 	Cheers - Jaimie

All done using Superduper, and seems to be working fine, with access to past
backups. Not sure what to do about the original USB disk - seems to be working
fine now.

Got me thinking about using the network for a backup, but I'm pushing it for
space right now. Noted for the next upgrade.


-- 
Cheers, Rob

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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