On 12/08/2015 06:42 PM, David Waite wrote:
> Thanks for your help - it is now reshaping the array with sdia3 and
> sdib3 as hot spares.
>
> It appears the version of mdadm on the NAS (3.1.4) is pretty old, and
> does not have a replace command - just marking disks as faulty. I
> will build and load in a newer version of mdadm. I assume there is no
> issue in doing this while a reshaping is going on?
No issue. You don't even have to install it. However, like most
features, there's a kernel part and a userspace part. If the new mdadm
that supports --replace can't talk to the matching kernel part, it won't
work.
Either way, you can't actually do the --replace until the reshape finishes.
{Convention on kernel.org lists is to reply-to-all, trim replies, and
bottom post. Please do.}
Phil
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