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Re: [dm-devel] Mapping sectors to have errors



On Thu, Oct 27, 2011 at 08:31:00PM -0600, Yathindra wrote:
> Hi,
> 
> I'm trying to create a disk and map some sectors to have errors on them.
> 
> I tried this,
> echo "0 100000 linear /dev/sdb 0 100000 480081250 error"| dmsetup
> create bad_disk
> device-mapper: reload ioctl failed: Invalid argument
> Command failed
> 
> I have put in the right arguments but not sure why it fails.

You have 2 target lines concatenated onto the same line there.


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