You cannot chnge the partition of your start up disk even when it is booted from another source such as your dvd. I don't really know why you can't but there you go. On Jul 14, 2011, at 6:39 AM, Esther wrote:
> Hi Paul, > > I've never tried changing the partition boundaries of my main hard drive, so > hopefully someone else can tell you about restrictions, but you can do this > with a software tool called iPartition from Coriolis Systems, who are the > same people who make iDefrag, which I've used, and which has also been used > by others on this list. Here's an old post (October 2008) pulled up from a > Mail Archive search of a different list written by Jacob Schmude on resizing > partitions: > <begin quote> > Sorry I accidentally deleted the message this is in response to, but actually > there is an accessible program to resize partitions on OS X. It's called > iPartition. It's not free, cost is $50, but well worth it if you do a lot of > work with hard drives IMHO. It's one of those programs that some features > don't look accessible at first glance but there's a lot of hidden keyboard > support in there. You can grab the demo and have a look at how it works, you > can't commit your changes with the demo but it'll give you an idea of what to > expect out of the interface. Have a look here: > http://www.coriolis-systems.com/iPartition.php > In particular, the resize feature can be done from the keyboard but this > isn't explicitly stated. Highlight the partition in the partitions table and > it will appear in the pie chart (yes, the pie chart is accessible, and it > will give you the current partition and size). Use the left and right arrows > to resize, note that arrowing to the right makes it smaller not to the left > in some cases, it depends on where the partition is located on the disk and > how the data is layid out on the partition. At any rate, you'll be able to > see the new size as you go. Resizing of HFS+, NTFS, and FAT is supported. The > usual warnings apply, have a backup of the disk in question!!! Partition > resizing isn't a fault tolerant operation and even if you don't make any > mistakes the unexpected can happen--the power could go out, etc. > <end quote> > > I think Gordon may have experience using iPartition, too, but it's not > something that I recall being actively discussed on this list, the way that > iDefrag was. > > Incidentally, the Mail Archive has wonderful search features, including wild > cards, search by subject, poster, date range, and more -- all with a simple > syntax, so this should really make searching our own list archives very > flexible. > > Cheers, > > Esther > > On Jul 13, 2011, at 23:00, Paul Hopewell wrote: > >> Hello, >> I have two partitions on my iMac built-in hard disk. Each partition is a >> different level of MAC OS. I have Time Machine and SuperDuper! backups of >> each of these partitions on an external disk drive. >> >> I need to change the partition boundary on my iMac hard disk so that one >> partition gets more disk space at the expense of the other partition. At >> present one partition has over 100 GB of free space while the other >> partition has only 15 GB of free space. >> >> SO I opened the disk utility, selected my iMac disk drive and selected the >> partition tab. In the scroll area I could see my two partitions but disk >> utility would not let me change either of them. So I thought that might be >> reasonable as I had booted off one of the above partitions which might thus >> be "locked". So I then booted one of m my SuperDuper! backups on my external >> disk drive and again tried the disk utility. Again his refused to let me >> change either of the partitions on my iMac internal disk drive even though I >> had booted from an external disk drive. >> >> SO how can I change the way my iMac internal disk drive is partitioned? If >> there is no other way I suppose I could erase both partitions; create two >> new partitions of the desired size and then use my SuperDuper! backups to >> populate these two partitions. However that seems a high risk procedure not >> to be lightly undertaken. >> >> And here is a SuperDuper! question. Can I use SuperDuper! to restore a >> SuperDuper! backup to a partition whose size is different than the partition >> size when I did the SuperDuper! backup? >> >> Many thanks for any help. >> >> Paul Hopewell > > <--- Mac Access At Mac Access Dot Net ---> > > To reply to this post, please address your message to > [email protected] > > You can find a monthly formatted archive of all messages posted to the > Mac-Access forum at the following URL: > <http://mail.tft-bbs.co.uk/pipermail/mac-access/index.html> > > The Mac-Access mailing list is guaranteed malware, spyware, Trojan, virus and > worm-free! > > Please remember to update your membership options periodically by visiting > the list website at: > <https://mail.tft-bbs.co.uk/mailman/listinfo/mac-access/options/> Sarah Alawami If you need an edit done on a small project go to http://music.marrie.org/master.html for more info. If you need to contact me my info is below. MSN and AIM: [email protected] website: http://music.marrie.org Podcast: http://marrie.podbean.com youtube: http://youtube.com/marrie125 <--- Mac Access At Mac Access Dot Net ---> To reply to this post, please address your message to [email protected] You can find a monthly formatted archive of all messages posted to the Mac-Access forum at the following URL: <http://mail.tft-bbs.co.uk/pipermail/mac-access/index.html> The Mac-Access mailing list is guaranteed malware, spyware, Trojan, virus and worm-free! Please remember to update your membership options periodically by visiting the list website at: <https://mail.tft-bbs.co.uk/mailman/listinfo/mac-access/options/>
