According to your description you want to decrease a partition, so you 'll need to umount your file system an d change the size, with fdisk or gparted.
After that remount your partition.
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Date: Mon, 8 Oct 2007 10:29:34 -0300
From: guillermo marraco gmail com
To: linux-lvm redhat com
Subject: [linux-lvm] Problem resizing partition
Hello. I have recently installed a CentOS 5 Linux distribution. Is a free version of Red Hat Enterprise.
I are a Linux Newbie.
The Linux installer DVD does not liked the 20 Gb ext3 partition I have created (It was saying than now enough space was available), so I tell him to automatically configure the partitions and filesystem.
The Installer formatted and created a 32 Mb "boot" partition, and a 20 Gb "unknown" partition (as is found By gparted software).
I need to reduce this "unknown" partition by 8 Mb, (to avoid writing the last 8 Mb, since is probably that the PC vendor, has utilized this space to hide information, that windows use to recognizing that is "genuine", (don't bash me about windows, I have not purchased that machine, I are utilizing that machine to experiment and learn Linux, because I want latter to operate a cluster with that OS, and I can't do experiments on the cluster, like learning to resizing partitions)
I have not idea what file system is, and what tools allow to resize that partition. I Have installed gparted (#yum install gparted), since I was told that is the "Partition Magic" of Linux.
but It looks like this file system is rare, because is for cluster designed.
Looking on Internet, I have found that probably this system utilizes clvm (no idea), so I have found this mail list, and write for help.
can you help me?
PD:Please, excuse my bad grammar, I never studied English.
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