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KevinLarson
Tux's lil' helper
Joined: 23 Sep 2005
Posts: 126
Location: Chaimpaign, IL
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 Posted: Tue May 20, 2008 2:09 am Post subject: Harddrive cannot expand partition |
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I try to Maximize the 3rd partition on my harddrive with cfdisk and get the following.
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cfdisk (util-linux-ng 2.13.1.1)
Disk Drive: /dev/disk/by-id/ata-ST380021A_3HV1LVAZ
Size: 80026361856 bytes, 80.0 GB
Heads: 255 Sectors per Track: 63 Cylinders: 9729
Name Flags Part Type FS Type [Label] Size (MB)
----------------------------------------------------------------------------------------
ata-ST380021A_BootLVAZ1 Primary Linux ext3 98.71
ata-ST380021A_3HV1LVAZ2 Primary Linux swap / Solaris 896.56
ata-ST380021A_3HV1LVAZ3 Primary Linux ReiserFS 38996.06
Pri/Log Free Space 40032.44
[Bootable] [ Delete ] [ Help ] [Maximize] [ Print ] [ Quit ]
[ Type ] [ Units ] [ Write ]
Cannot maximize this partition
Toggle bootable flag of the current partition
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frostschutz
Advocate
Joined: 22 Feb 2005
Posts: 2977
Location: Germany
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| Posted: Tue May 20, 2008 7:09 am Post subject: |
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You're probably doing it wrong.
| man cfdisk wrote: | | DOS, OS/2 and possibly other operating systems require the first sector of the first partition on the disk and all logical partitions to begin on the second head. This wastes the second through the last sector of the first track of the first head (the first sector is taken by the partition table itself). cfdisk allows you to recover these "lost" sectors with the maximize command (m). |
If you can't maximize it then that's that. If you want to stretch the ReiserFS partition to also take in the remaining free space, you have to delete the partition and create a new, bigger one. However this will change the partition only, not the data on it, so the ReiserFS file system will not know about the change of the partition size. If you want to resize the file system along with it, you could try to do it using gparted (the Live CD of the project), as it can both rescale and move partitions alongside with the filesystems. |
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KevinLarson
Tux's lil' helper
Joined: 23 Sep 2005
Posts: 126
Location: Chaimpaign, IL
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| Posted: Tue May 20, 2008 4:06 pm Post subject: |
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| Thanks, I'll look up gparted. |
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bunder
Bodhisattva
Joined: 10 Apr 2004
Posts: 5956
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| Posted: Tue May 20, 2008 5:10 pm Post subject: |
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be careful with gparted, it messed up one of my harddrives... first problem was partitions being numbered out order, then it was an overlapping problem. i still can't use fdisk/cfdisk on that drive anymore... (i could blank the drive and start over, but that's too time consuming)
cheers
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KevinLarson
Tux's lil' helper
Joined: 23 Sep 2005
Posts: 126
Location: Chaimpaign, IL
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| Posted: Tue May 20, 2008 5:56 pm Post subject: |
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| This is my / partition. I would prefer not to mess anything up. Do you have any suggestions? |
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frostschutz
Advocate
Joined: 22 Feb 2005
Posts: 2977
Location: Germany
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| Posted: Tue May 20, 2008 6:07 pm Post subject: |
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| Of course, when shuffling data around, there is always a risk of it going wrong. However, it is also true that your hard disk can die at any time. So I'm just assuming that you got a backup of your data somewhere, which you could easily restore if need be. (So far I never needed it though, as gparted worked just fine for me, but I have daily backups nevertheless). |
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Cyker
Veteran
Joined: 15 Jun 2006
Posts: 1746
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| Posted: Tue May 20, 2008 6:20 pm Post subject: |
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Back it up, then try it  |
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