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Re: [dm-devel] [ANNOUNCE] block layer (request based) multipath v1



On Wed, Oct 19, 2005 at 01:20:44AM -0500, Mike Christie wrote:
> Version 1 and maybe the only version :)
>
...
> 
> I think the only items I have left to convert are some of the dm ioctls, 
> but that is trivial and the defaults are ok for usage. For example I 
> have not implemted a sysfs attr to read/write queue_if_no_path and a 
> timeout attr so we do not have to wait forever on it.
> 
> Comments???? Should I work with Christophe to convert the userspace tools?
> 
Nice,

can libdevmapper event listening mecanisms be replaced by the uevents listener ?
IOW, will all necessary attribute changes be reported as uevents ?

Events needed are :
- multipath topology changes :
  - path add/remove (well, this one is guarantied through /block I guess)
  - attributes changes
  - path state changes / path reinstates
  - path group switches
- multipath add/remove (Deduce from /block uevents ?)

Regards,
cvaroqui


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