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Re: [OM] Backup - a cautionary tale

Subject: Re: [OM] Backup - a cautionary tale
From: Siddiq Siddiqui-Ali <muhammad.siddiqui-ali@xxxxxxx>
Date: Fri, 8 Nov 2013 21:59:37 +0000
That's exactly what it does: a full backup the first time you run it, followed 
by incremental ones every time thereafter. The trouble starts when the 
'increment' is so far removed from the original that it can't complete. Each 
incremental backup (when you browse the TM folder) presents itself as a full 
backup to the viewer to make going back easier, but each one is incremental

On Nov 8, 2013, at 1:56 PM, Andrew Fildes <afildes@xxxxxxxxxxxxx> wrote:

> Stupidly I assumed that it backed up your system and content and then did 
> incremental back-ups - that is, simply recorded any changes since the 
> original back-up in a dated file so that it could reconstruct the situation. 
> After all, the name implies that you can go back to where you were at some 
> point in the past, to recover a deleted file, for instance. Total weekly 
> back-ups when you've got over half a terrabyte on board are just bloody 
> useless! As I said, it jammed up on me inside a month when it didn't have 
> room to do the new one. 
> Andrew Fildes
> afildes@xxxxxxxxxxxxx
> www.soultheft.com
> 
> Author/Publisher: 
> The SLR Compendium: 
> revised edition - 
> http://blur.by/19Hb8or
> The TLR Compendium
> http://blur.by/1dQb0sG
> 
> 
> 
> On 09/11/2013, at 1:25 AM, Siddiq Siddiqui-Ali wrote:
> 
>> Time Machine will fill, to capacity, any drive you give it access to. Once 
>> it's full, it starts deleting the oldest one, and so on. You can run into 
>> issues when there are large breaks in time between backups, and the new 
>> backup requires more space than what's available, and there aren't enough 
>> backups for it to safely delete the oldest one.
> 
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