Yep, go the simplest of solutions, then there's a lot less mucking around, and 
less change of "strange things happening".
Keeping those to a minimum always helps. :o)

Kind regards
Daniel

Sent from my iPhone 6

---
Daniel Kerr
MacWizardry

Phone: 0414 795 960
Email: <daniel AT macwizardry.com.au>
Web:   <http://www.macwizardry.com.au>


**For everything Apple**

NOTE: Any information provided in this email may be my personal opinion and as 
such should be taken accordingly, and may not be the views of MacWizardry. Any 
information provided does not offer or warrant any form of warranty or accept 
liability. It would be appreciated that if any information in this email is to 
be disseminated, distributed or copied, that permission by the author be 
requested. 

On 14/12/2014, at 8:44 PM, Alan Smith <[email protected]> wrote:

> Hi Daniel
> 
> Thanks for your input.  Yes, I’ve had the problem of partitions ending up the 
> wrong size down the track.
> 
> I wanted a “temporary” backup storage area as several “spare” external drives 
> have data relating to the 2009 iMac in its various stages of decline and 
> recovery.  I don’t want to delete them yet.
> 
> I decided on the sparse image approach because SuperDuper erases the target 
> disk as part of its process - and I didn’t want that going on near the boot 
> drive. I decided that I could put several images in the one partition, which 
> could be moved one at a time if space became an issue.
> 
> However, I am now thinking that my security needs (fumble fingers, not web 
> probes!) could be improved by putting the sparse images in the standard 
> structure of a second (bold, italic and underline!) user account.  The images 
> only need accessing once a month in normal times.  May keep them there, and 
> not worry about external drives at all …
> 
> Cheers
> Alan
> 
> 
> On 14 Dec 2014, at 7:22 pm, Daniel Kerr <[email protected]> wrote:
> 
>> You can create one partition on a Fusion drive, after that ,…no.
>> More info here. - http://support.apple.com/en-au/HT202574
>> My personal opinion on partitions on internal drives,…and again I point 
>> out,..this is my personal opinion, I think partitions are a waste of time.
>> You're not gaining any benefit with a partition, and nine times out of ten, 
>> down the track either Part A or Part B of the partition is the "wrong size". 
>> Then you have to go back to square one.
>> Generally just easier to a) get another external drive as a backup (as 
>> externals are cheap), as you'll spend less "money time" on it and can get 
>> larger sizes,…or just create a backup folder to back up to.
>> There's no real "benefit" in partitioning I find…not these days. It's not 
>> like if one partition dies it's not going to affect the other partition, as 
>> it's the same drive…….
>> 
>> Again, just my take on it,…..
>> 
>> Kind regards
>> Daniel
>> 
>> Sent from my iPhone 6
>> 
>> ---
>> Daniel Kerr
>> MacWizardry
>> 
>> Phone: 0414 795 960
>> Email: <daniel AT macwizardry.com.au>
>> Web:   <http://www.macwizardry.com.au>
>> 
>> 
>> **For everything Apple**
>> 
>> NOTE: Any information provided in this email may be my personal opinion and 
>> as such should be taken accordingly, and may not be the views of 
>> MacWizardry. Any information provided does not offer or warrant any form of 
>> warranty or accept liability. It would be appreciated that if any 
>> information in this email is to be disseminated, distributed or copied, that 
>> permission by the author be requested. 
>> 
>> On 13/12/2014, at 1:04 PM, Alan Smith <[email protected]> wrote:
>> 
>>> I would like to utilise some of the vast unused space on the internal 
>>> drives of two iMacs as backups for films.    Is this possible?   If it is 
>>> possible then what is the downside?   Could such a partition be later 
>>> removed to restore the space to OS X?   I do not want to go through the 
>>> disk-erase and OS X re-install operation!
>>> 
>>> My concept is to use SuperDuper to create a sparse image (which permits 
>>> smart updates) of some of the films on a USB 3 external drive.     In 
>>> practice I would use say three sparse images for ease of management.
>>> 
>>> iMac 1 (2012) has 1TB with Fusion Drive.  iMac 2 (2009) has a standard 1TB 
>>> drive.  I would prefer to use the Fusion Drive iMac for the backups.  Both 
>>> iMacs have Mavericks installed, and hence should also have Recovery 
>>> partitions.   (If an OS X upgrade or Boot Camp can install partitions, why 
>>> not me??)
>>> 
>>> I have assumed a partition would be needed, but can a sparse image simply 
>>> be used as a file within the ‘Macintosh HD’ OS X startup volume structure?
>>> 
>>> 
>>> Regards, 
>>> Alan
>>> 
>>> Alan Smith
>>> Late 2012 iMac 27" Intel Quad Core i5  Fusion 3.2GHz 8G RAM - OSX 10.9.5 
>>> Mavericks
>>> Late 2009 iMac 21.5" Intel Core 2 Duo 3.06GHz 12G RAM - OSX 10.9.5 Mavericks
>>> iPhone5;  iPad2;  ATV2
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> -- The WA Macintosh User Group Mailing List --
>>> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
>>> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
>>> Settings & Unsubscribe - 
>>> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>
>> 
>> -- The WA Macintosh User Group Mailing List --
>> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
>> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
>> Settings & Unsubscribe - 
>> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>
> 
> -- The WA Macintosh User Group Mailing List --
> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
> Settings & Unsubscribe - 
> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>

-- The WA Macintosh User Group Mailing List --
Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
Settings & Unsubscribe - <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>