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Old 27. Jul 2010, 04:22 PM   #1 (permalink)
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Default Risks of resizing partitions with installed apps

Hi,

I have alomost no experience in this area, have only done it when the other partitions besides the system one were still empty.
I got a friend that has three partitions on his HDD: 1st is system, 2nd programs and 3rd data. Now he's feeling he's running out of space on the 1st & 2nd one while has more than enough on the 3rd one. And has asked for my help to resize them.
How risky is it to resize partitions that already have programs installed, without uninstalling them? Is there any danger that some may not work afterwards? Or maybe get relocated to the 1st partition (sorry, might sound like a lame question, but have never done it before, so I don't know how it works exactly).
The 3rd partition is no problem as it contains only data files which can be easily backed up.

I've looked through the Best Free Partition Manager Section and have used EASEUS Partition Master in the past (but as already said, no apps were installed).
Which one would you recommend in terms of being more safe and effective?
Any particular messures that need to be taken?

Thanks in advance.
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Old 27. Jul 2010, 09:26 PM   #2 (permalink)
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Yes, there is risk. That is why backups are so essential.

I found an article that addresses your concern directly: Resizing the Windows Partition.

Bottom of page:

"WARNING: Resizing the Windows partition is not without a risk! I found out myself after testing the tool GParted... My Windows Vista installation ended up in unsolvable boot problems, probably because of the bad support for RAID configurations. It was necessary to restore an image of the Windows partition to repair the damage! Make sure you store the essential personal files on a safe location first (and create an image of the system if possible) before starting the resizing of the Windows partition!"
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Old 28. Jul 2010, 12:31 PM   #3 (permalink)
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Thanks for the reply and link.
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Old 28. Jul 2010, 01:46 PM   #4 (permalink)
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I have resized numerous XP system partitions using various Paragon programs, BootItNG, GParted and Acronis Disk Director.
The only time I have ever had a problem is when I was trying to align a partition, that involved moving the beginning of the partition which not all systems will tolerate.
If you simply want to make the system partition smaller or larger you should not have a problem.
I cannot comment on other operating systems as I have never tried it.
Nor have I used it on systems with RAID.

Two things to do before you start:
1. As ever, create a partition image of the system partition and make backups of the others.
2. Clean files and folders and defrag the partition to move all the data away from the end of the partition.

Quote:
the smallest partition possible is the total combined size of the files on the partition
This is taken from the link.
I would never recommend going below the total data size + 1GB.
Remember that the final size you choose has to allow for temporary files, updates, and any additional files or software you might want to add in the future.

If I was to do it again with the software that I have available my first choice would be Acronis but if I were to use a program that was freely available I would go for one of the many free offers of Paragon software that are about.
That's not to say that other software will not do the job but is based on personal experience and ease of use.
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Old 28. Jul 2010, 04:26 PM   #5 (permalink)
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Thanks for the reply Pilgrim.
I'll have to check with my friend about a couple of the points you made like RAID and possible alignment needs.
Basically, he wants to make the 1st & 2nd partitions larger by taking some of the available space on the 3rd one which contains only data (practically consideres as empty).
My consern is about the installed apps he's got on the 2nd partition. If I understood it correctly, they get "taken off" their original location when the procedure starts and then "placed" to their new location when the procedure is done, so that in the end their still in the partition they were first installed (I hope I'm not wrong about this or I'll end up in some serious trouble).
I don't think Acronis is an option, but I think he's got a Paragon program.

Thanks again.
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Old 28. Jul 2010, 05:07 PM   #6 (permalink)
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Quote:
Thanks for the reply Pilgrim.
I'll have to check with my friend about a couple of the points you made like RAID and possible alignment needs.
Basically, he wants to make the 1st & 2nd partitions larger by taking some of the available space on the 3rd one which contains only data (practically considered as empty).
My concern is about the installed apps he's got on the 2nd partition. If I understood it correctly, they get "taken off" their original location when the procedure starts and then "placed" to their new location when the procedure is done, so that in the end their still in the partition they were first installed (I hope I'm not wrong about this or I'll end up in some serious trouble).
I don't think Acronis is an option, but I think he's got a Paragon program.
Right, it sounds like he has a similar setup to what I have on my C + D partitions.
If he does have RAID you'll have to ask someone who understands it.

First, forget about alignment, stick with what he has got and you should avoid problems.
Any applications he has installed on the 2nd partition will have registry entries for that location, if you use Paragon software it should not affect this.
Although the 2nd partition will have moved when you resize C: the registry entries will still be correct.
Make an image of C: as I suggested, but make a copy of the 2nd partition files/folders.
If there are any problems with the 2nd partition after resizing, which there shouldn't be, copy everything back and that should solve it.

I do not have the time to look as I was just shutting down when I caught your post but there are several free offers for Paragon software that still work, find the latest version on offer and use that.

Another thing worth looking for is the free offer on Registry First Aid.
I actually moved several GB of programs and files from C to D and when I ran this afterwards it picked up both the old and new locations and changed them automatically.
You are not doing this but it would be extra security.

Two things NOT to do:
1. Do not change any partition letters.
2. Do not run any registry cleaning software until you are sure that everything is working. (Registry First Aid will first run an analysis and will not change/delete anything unless you tell it to.)
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Old 30. Jul 2010, 01:17 PM   #7 (permalink)
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Thanks for the additional help Pilgrim and sorry for the late reply.
I haven't checked with my friend yet, will post back when have done some progress.
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