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Old 06-21-2007, 01:20 AM   #1
Registered: May 2007
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How to link "free space on Hard Drive to LINUX"

Hi all,

I have Linux 2.6.9-11.EL running on machine. It is taking only 15 GB in my hard disk (80 GB).

the command "df -h" result :

[naveen@LocalHost ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 15G 14G 247M 99% /
/dev/sda2 99M 8.5M 86M 10% /boot
none 189M 0 189M 0% /dev/shm

I came to know there is a free space of 51 GB on my hard disk from hwbrowser command.

The hwbrowser command's information on Hard Drive :

Device Start End Size(in MB) Type
==> /dev/sda
sda1 1 1306 10245 fat32
sda2 1307 1319 102 ext3
sda3 1320 3231 14998 ext3

sda4 3232 3362 1028 extended
sda5 3224 3362 1028 linux swap
3363 9964 51778 Free Space

I am getting errors like "low disk space" whenever i try to install some softwares, Because of this restricted memory (15 GB).

Please guide me how i can make use of the "Free Space" on the hard disk for linux (means to extend the 15 GB linux to some 40 GB).

Thanks and Regards,
Old 06-21-2007, 02:49 AM   #2
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Extend your root partition, if possible, or create a new partition out of the free space and mount it under your root; maybe move some places to be mounted on that partition (/var or /usr for example). The process depends on how you've done your partitioning; is it "old-fashioned" plain partitions or are you using LVM, for example.
Old 06-21-2007, 03:14 AM   #3
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Which distro is it? If it is a newer Red Hat or Fedora Core, there is a graphical program /usr/sbin/system-config-lvm where you can add the free space to the logical volume. Or you can do it from the command line. ( See "man lvm" ). For SuSE, there is a Partitioner program in YaST2 that you can use. Other distros may have a similar program.

If you have partitions mounted traditionally, you could create a partition in the free space and then move contents of the largest directory there. For a workstation, /home is usually the largest. Installing new software, it usually gets installed in /usr/ somewhere. The /usr directory will grow in time and is the normally the second largest directory, so it would make a good candidate as well.
For a server, you may have a small /home directory. Moving /usr or /var might make a better choice.

Good Luck!


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