Re: mdadm dynamic multipathing

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On Thursday August 31, dlware@xxxxxxxxxxxx wrote:
> Hi all,
> 
> Just wondering if there is any way to get mdadm created multipath devices 
> to re-activate a previously disabled path?
> 
> I know I can
> 
> mdadm /dev/md0 -f /dev/sdx -r /dev/sdx -a /dev/sdx
> 
> to re-activate it, but I want mdadm to do it on its own.
> 
> Will the monitoring tool allow this (running it in daemon mode)?
> 
> Is there any plan to include dynamic multipathing in the future?
> 
> I've used Sun's disksuite multipathing in the past and IBM's sdd/vpath 
> tools and it just worked, so I kind of just expected it here.
> 
> Thanks for any help you can provide.

No, mdadm doesn't do that.

md/multipath is not being actively supported.
Most multipath development effort is centring around dm/multipath.

However I'm happy to accept and review patches to md/multipath and/or
mdadm for multipath support.

NeilBrown

-- 
VGER BF report: H 1.30853e-05
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