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- dm-flakey
- =========
- This target is the same as the linear target except that it returns I/O
- errors periodically. It's been found useful in simulating failing
- devices for testing purposes.
- Starting from the time the table is loaded, the device is available for
- <up interval> seconds, then returns errors for <down interval> seconds,
- and then this cycle repeats.
- Parameters: <dev path> <offset> <up interval> <down interval>
- <dev path>: Full pathname to the underlying block-device, or a
- "major:minor" device-number.
- <offset>: Starting sector within the device.
- <up interval>: Number of seconds device is available.
- <down interval>: Number of seconds device returns errors.
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