Set deactivation

Heinz Mauelshagen heinzm at
Thu Dec 4 16:18:01 UTC 2008

Before I search...
Which dmraid version are you referring to.


Am Dienstag, den 02.12.2008, 14:43 -0500 schrieb Phillip Susi:
> I'm trying to debug why dmraid won't deactivate this raid set and am 
> very confused by the code I see.  Hopefully someone can shed some light 
> on this.
> change_set() calls deactivate_set() which calls dm_remove(), which calls 
> run_task() in lib/activate/devmapper.c.  run_task() looks like this:
>          if (ret &&
>              DM_DEVICE_CREATE == type)
>                  ret = dmraid_uuid(lc, rs, uuid, DM_UUID_LEN) &&
>                        dm_task_set_uuid(dmt, uuid) &&
>                        dm_task_run(dmt);
> Now that looks to me like the only kind of task it will run is a create 
> task, not a remove task, like the one it is being asked to do.  This 
> code looks like it will never work, as if the removal code was never 
> completed, yet I know that dmraid -an does work normally, so what gives?
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