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aidan
Asked: 2009-12-16 04:23:58 +0800 CST

Using Amazons AWS: mounting EBS on EC2 instance: 1 GiB appears as 414GB

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Using Amazon's AWS, I created a 1 GiB volume. I attached it to a running instance and formatted it with ext3. I then mounted it and and used df -h to report its size. It's apparently 414G. I'm already using 2G of it.

What's going on here?

amazon-ec2

2 Answers

  1. Best Answer

    It could be that you tried to attach the volume to a device name that was already in use for ephemeral storage.

    On some images I've used the boot device /dev/sda and /dev/sdb through /dev/sde is ephemeral storage. When I tried to attach an EBS volume as /dev/sdb I received no error from the AWS management console, but the volume did not attach on /dev/sdb.

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  2. Sounds like an error. :)

    If you don't have any data on it, you might want to just ditch that volume and try again.

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