Re: raid5 revert-reshape issue

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On 16/01/19 22:36, Romulo Albuquerque wrote:
> Hi Wols,
> 
> Nice to hear that it's all looking good...
> 
> Running mdadm
> # mdadm --version
> mdadm  -  v3.3.2  -  21st August 2014
> 
> Running on kernel version:
> # uname -a
> Linux andromedah 3.16.0-4-amd64  #1 SMP Debian 3.16.7-ckt11-1+deb8u6
> (2015-11-09)  x86_64  GNU/Linux
> 
> Please, let me know what is the best approach to revert-reshape in my case.
> 
> Thanks for looking into this!
> 
Hi,

Sorry for the slow reply ...

I'd install the latest mdadm - v4.1 iirc - and see if that can revert
the reshape. If that succeeds, it'll probably also successfully fire off
a new reshape, but I'd backup first ...

Otherwise, boot from a rescue CD and stop the reshape, then reshape
using the rescue CD before bringing the system back into production.

Cheers,
Wol




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