How to simulate journal corruption

[crow al <al-john@xxxxxxxxxxx>]

Hi, there

I'm a QA engineer from Cisco. I'm working on a test case concerning XFS journal playback failure, which needs to manually inject error to XFS.

I did some google work but get no luck. Then I think maybe XFA-QA could give me some advice. That why I come to here.

Is there anyone could tell me how to inject error into XFS or is there any tool could be used?

Wish for your response.

Thanks & Regards.
Lv Wentao.

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