Just done a successful backup and restored to another card. I turned off 
the McAfee AV and it seems good.
Thanks for the advice.


On Monday, August 22, 2016 at 6:38:14 PM UTC+1, vince wrote:
>
> On Monday, August 22, 2016 at 9:59:15 AM UTC-7, Phil Green wrote:
>>
>> On Monday, August 22, 2016 at 5:56:57 PM UTC+1, Phil Green wrote:
>> > I am performing these steps. So I don't know what is corruuting the 
>> card. I am not even writing to it just copying the cite tag to an .img file!
>> > Regards
>> > Phil.
>>
>> Meant to say copying the contents to the .img file. I am properly 
>> ejecting the card. Could it be my anti virus software on my Mac?
>>
>
> Very doubtful.   Is the Pi really shut all the way down before you pull 
> the card from it ?  Sometimes you need to give it a bit of time to let it 
> flush its writes to disk on the way down.
>
> I guess I'd make liberal use of the write-protect switch on the SD card 
> whenever reading from it on the mac, just in case, if all you're doing is 
> sticking the SD in the mac, reading from it, and ejecting it after you 
> write the image to the mac disk.  Of course you'll need to occasionally 
> test your .img file can be written 'to' a usable SD card too so you know 
> your backups work.
>
> FWIW, I don't back up my pi any more.   Just save the data someplace over 
> the LAN via scp occasionally, and (try to) keep everything I change stashed 
> in a git repo that I can easily reinstall.
>
>
>

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