qemu-img: ocssd.img: Unknown file format 'ocssd'

OpenChannelSSD / qemu-nvme

The LightNVM qemu implementation, based on NVMe

http://openchannelssd.readthedocs.org/en/latest/

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qemu-img: ocssd.img: Unknown file format 'ocssd' #63

Open sinashan opened 4 years ago

sinashan commented 4 years ago

Hello, I'm trying to do a university course project using open-channel ssd. As I don't have a physical ocssd, I'm trying to configure a virtual one using qemu. After configuring and installing required things now I'm getting into this error after running the code qemu-img create -focssd-o num_grp=2,num_pu=4,num_chk=60 ocssd.img Error is: qemu-img: ocssd.img: Unknown file format 'ocssd' As I'm a total newbie, I would appreciate any help or guide on how to deal with this problem. Thank you

birkelund commented 4 years ago

Could it be that the qemu-img you are running belongs to a system installed qemu? That is, it is picking up /usr/bin/qemu-img instead of, say, /usr/local/bin/qemu-img. Try running it directly from the source tree (i.e. ./x86_64-softmmu/qemu-img ...).