Re: Fwd: mdadm RAID5 to RAID6 migration thrown exceptions, access to data lost

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Thank you for your input and I'll wait with further steps until confirmation!

Best regards,
Krzysztof Jakobczyk

pon., 2 wrz 2019 o 12:52 Wols Lists <antlists@xxxxxxxxxxxxxxx> napisał(a):
>
> On 02/09/19 11:05, Krzysztof Jakóbczyk wrote:
> > My questions are the following:
> >
> > What to do in order to move the reshape process forward?
>
> I'll leave that to others, but my gut reaction is just to restart it
> (don't follow my advice! Wait for someone else to say it's safe :-)
> >
> > Do you think the data on the md0 is safe?
>
> Yes I do.
> >
> > How to access the data on md0 if I cannot cd to it?
> >
> Wait for the system to (be) recover(ed).
>
> > What are those stack traces in the dmesg output?
> >
> > Help will be greatly appreciated.
> >
> MAKE SURE you've got a rescue disk with the latest mdadm and an
> up-to-date kernel. I strongly suspect you've got an out-of-date system -
> mdadm 3.2.2 is pretty ancient. This sounds to me like a well-known
> problem from back then, and if I'm right the fix is as simple as booting
> into a up-to-date recovery system, letting the reshape complete, and
> then booting back into the old system.
>
> Can someone else confirm, please!!!
>
> Cheers,
> Wol
>




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