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Fedora EC2 images running out of disk space

asked 2014-08-07 02:45:09 -0500

I am using the the official Fedora EC2 cloud AMI to do some development work. By default, the root disk on these these machines is only 2GB. After installing some stuff, I always run out of space and yum starts to complain. The problems seems to be that lots of disk space has been mounted in directories that I am not using.

[fedora@ip-10-75-10-113 ~]$ df -ah
Filesystem      Size  Used Avail Use% Mounted on
rootfs          2,0G  1,6G  382M  81% /
proc               0     0     0    - /proc
sysfs              0     0     0    - /sys
devtmpfs        1,9G     0  1,9G   0% /dev
securityfs         0     0     0    - /sys/kernel/security
selinuxfs          0     0     0    - /sys/fs/selinux
tmpfs           1,9G     0  1,9G   0% /dev/shm
devpts             0     0     0    - /dev/pts
tmpfs           1,9G  172K  1,9G   1% /run
tmpfs           1,9G     0  1,9G   0% /sys/fs/cgroup

I don't have this problem with other EC2 images, such as CentOS or Ubuntu. Is there any way I can start the AMI with a single, unpartitioned disk? Or am I somehow using it in the wrong way?

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That is a single partition; tmpfs uses memory then swap when the memory runs out.

randomuser gravatar imagerandomuser ( 2014-08-07 13:57:06 -0500 )edit

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answered 2014-08-08 02:17:42 -0500

You need to increase the size of the disk when launching the instance - the boot volume defaults to 2GB. However, by increasing the size in the launch wizard (which is what I used for a brief test), I was able to allocate whatever storage I needed. It's important to realize that these are EBS backed instances, so you can allocate whatever storage you require.

[root@ip-10-181-210-134 ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/xvda1       99G  566M   98G   1% /
devtmpfs        807M     0  807M   0% /dev
tmpfs           827M     0  827M   0% /dev/shm
tmpfs           827M   17M  811M   2% /run
tmpfs           827M     0  827M   0% /sys/fs/cgroup
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Asked: 2014-08-07 02:45:09 -0500

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Last updated: Aug 08 '14