Removing partition

Have Mac Pro Quad 2.66 with 4 HD's and 5GB RAM.
HD#1= 250GB OEM; HD #2=500GB with 2 equal partitions, 232 GB each (2A & 2B); HD#3=750GB; HD#4=750GB -used for Time Machine.
OEM HD#1 has Tiger 10.4OS+data and applications from previous iMac.
Installed 10.5 on first partition of #2 (2A). Now however I'd like to remove the partition on #2 as I currently only have 44GB left on first partition (out of 232). HD#2A has been backed up on HD#4 with Time machine.
Question: can I remove the partition on HD#2 without erasing OS 10.5 on HD 2A and all installed applications?
If not then I assume I can boot from 10.5 install DVD and install on HD#2 from HD#4 with data from TM. (Mac OS 10.5 Help "Recovering your entire system")
Is there an application that will let me remove partition without a fee, iPartition cost $50. Or as an alternative does OS 10.5 have a "remove partition" that destroys all data? If so I guess I can restore with Time Machine.
I'm a somewhat experience Mac user-6 years-but I'm a bit over my head on this issue(s). Any help would be appreciated.

Pull your #1 OEM and put it aside as your insurance. Or clone it to a FireWire drive.
Partitions are never perfect size. Leopard does allow for resizing to some degree. Of course you want backups. More than one hopefully.
I would think a 750GB drive would be idea for boot drive. Maybe half.
I prefer to keep the boot drive as just the OS/apps and keep data on 2nd drive.
A boot drive doesn't need to be more than 100-200GB but you also want a lot of room for burning DVDs and work, and just for performance, to never fill it beyond 50% either.
While moving things around, make sure you always still have your original boot drive and a recovery plan.
I'd get another drive for your OS. 10K Raptor ideally. Or another 750GB (it is nice to have drives of same size, make for moving things around, RAID, etc, as long as it is reliable).
You can't boot from an iMac system and you probably have the data backed up. And you could even put it on a sparse disk image on your TM volume. (I have three TM drives that I use and rotate, so if something happens I still have a backup of my backup).

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    ┌─[ 09/17/12 01:21:37 PM ][ ~ ]
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    ┌─[ 09/17/12 01:21:37 PM ][ ~ ]
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    ┌─[ 09/17/12 01:21:37 PM ][ ~ ]
    └─>
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    ┌─[ 09/17/12 01:21:37 PM ][ ~ ]
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    slytux wrote:
    pvmove and the partition by itselfy may not be enough, you could specify the target to move to as the second argument to pvmove.
    Ex. take out sdb1:
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    Yup, have tried that with all sorts of combinations:
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    ┌─[ 09/17/12 11:27:53 PM ][ ~ ]
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       0:      GUID_partition_scheme                        *251.0 GB   disk0
       1:                        EFI EFI                     209.7 MB   disk0s1
       2:                  Apple_HFS 02                      314.6 MB   disk0s2
       3:                        EFI NO NAME                 104.9 MB   disk0s3
       4:                  Apple_HFS 04                      218.6 GB   disk0s4
       5:                 Apple_Boot Recovery HD             650.0 MB   disk0s5
       6:                  Apple_HFS disk0s4                 314.6 MB   disk0s6
       7:                        EFI NO NAME                 104.9 MB   disk0s7
       8:         Microsoft Reserved                         134.2 MB   disk0s8
       9:       Microsoft Basic Data                         30.6 GB    disk0s9
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       0:     FDisk_partition_scheme                        *1.0 TB     disk1
       1:                 DOS_FAT_32 WININSTALL              1.0 TB     disk1s1
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       0:      GUID_partition_scheme                        *4.0 TB     disk2
       1:                        EFI EFI                     209.7 MB   disk2s1
       2:                  Apple_HFS Kamii                   4.0 TB     disk2s2
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       1:        Apple_partition_map                         32.3 KB    disk3s1
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        1230848  426911744      4  GPT part - 48465300-0000-11AA-AA11-00306543ECAC
      428142592       1416        
      428144008    1269536      5  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
      429413544        856        
      429414400     614400      6  GPT part - 48465300-0000-11AA-AA11-00306543ECAC
      430028800     204800      7  GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
      430233600     262144      8  GPT part - E3C9E316-0B5C-4DB8-817D-F92DF00215AE
      430495744   59738112      9  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
      490233856        863        
      490234719         32         Sec GPT table
      490234751          1         Sec GPT header
    Kamyabs-Mac-Pro:~ ItsKamiiBitch$ sudo fdisk /dev/disk0
    Disk: /dev/disk0 geometry: 30515/255/63 [490234752 sectors]
    Signature: 0xAA55
             Starting       Ending
    #: id  cyl  hd sec -  cyl  hd sec [     start -       size]
    1: EE 1023 254  63 - 1023 254  63 [         1 -  490234751] <Unknown ID>
    2: 00    0   0   0 -    0   0   0 [         0 -          0] unused     
    3: 00    0   0   0 -    0   0   0 [         0 -          0] unused     
    4: 00    0   0   0 -    0   0   0 [         0 -          0] unused     
    Kamyabs-Mac-Pro:~ ItsKamiiBitch$

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