Vamsi,

I have run into this same issue and have a brief (and rough) guide if you wish to try it out.

First, run "df -h" and see what your current "/" partition size is. I think with the default image, it's somewhere around 1.8GB.

Next, you should be able to run "growpart /dev/mmcblkx n" where x likely refers to mmcblk0 and n is the partition number, it should be 3. This will grow your 3rd partition to the maximum available size, but I believe you should be able to specify your 6GB size.

Once that is complete, run "e2fsck /dev/mmcblk0p3" to verify filesystem integrity and then "resize2fs /dev/mmcblk0p3" to expand the ext4 partition. 

If you run "df -h" after this, you should be able to see your now larger "/" partition.

Let me know if you have any issues with this. I've been looking for a reason to organize my thoughts on this.

Thanks!

Chris

On Tue, Jul 31, 2018 at 10:10 AM, Pablo Sebastián Greco <pablo@fliagreco.com.ar> wrote:

There is a script called rootfs-expand which should do exactly that.
Please let us know who it went.

Pablo.

El 31/7/18 a las 10:55, vamsi krishna escribió:
Hi Team,

Being new to the Linux world, I have installed Centos for R Pi3 on a 16gb microSD card, and partitions are done by default, leaving less space for root file system. Here is what I get.

This is the second time I am running into this issue.

Can anyone help me with the steps to increase the size for /dev/root to 6G please.


Operating System: CentOS Linux 7 (Core)
       CPE OS Name: cpe:/o:centos:centos:7
            Kernel: Linux 4.14.27-v7.1.el7
      Architecture: arm

[root@rpi ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root       1.4G  999M  347M  75% /
devtmpfs        460M     0  460M   0% /dev
tmpfs           464M     0  464M   0% /dev/shm
tmpfs           464M   12M  452M   3% /run
tmpfs           464M     0  464M   0% /sys/fs/cgroup
/dev/mmcblk0p1  667M   43M  625M   7% /boot
tmpfs            93M     0   93M   0% /run/user/0

Any help is highly appreciated.
--
Have a nice day.

Thanks and regards,
Vamsi,
Skype @ kvamsi.k143
+91-9704433304.

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