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Although vmdk disk format is supported by ec2-import-instance tool, every time I try to run the command on a vmdk file, I get the following error: 

    ERROR: File uses unsupported compression algorithm 0

I invoke the tool in the following format:

    ec2-import-instance -f vmdk -o <ACCESS KEY> -w <SECRET KEY> <VMDK file>

I am using ec2 tools version 1.6.6.1.

KT100
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5 Answers5

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Looks like it's got nothing to do with "compression algorithm" but instead more to do with supported vmdk formats as documented in http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/VMImportPrerequisites.html

KT100
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    How did you actually solve the problem? I am facing the same problem with an vmdk from VMware Fusion 6. I fear the ec migration tools don't support the latest formats from vmware. – Randy Oct 22 '13 at 12:15
  • I'm also quite eager to hear if you've cracked this – ken Nov 19 '13 at 10:59
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ERROR: File uses unsupported compression algorithm 0. The VMDK was created using OVA format instead of OVF format.

Resolution

Create the VMDK in OVF format.

user3469510
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I fixed this for myself by exporting my VM from VirtualBox(where I created it). This exported its into OVF format(I had to change the default exention from OVA to OVF). Then ec2-import-instance worked.

This put me on the right track when converting to RAW using qemu-img did not work.

catalyst294
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This ec2 migration tool works with both VMware workstation and ESX http://cloudscraper.migrate2iaas.com/ Just run it from your running server.

user2490566
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I have experienced the same issue. My solution: the StarWind V2V converter to convert VMDK to RAW (-f RAW) or VHD (-f VHD).

lk7777
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