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trouble setting up raid1

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  trouble setting up raid1 Bill <bill3@uniserve.com> - 2016-11-12 20:20 +0100
    Re: trouble setting up raid1 Andy Smith <andy@strugglers.net> - 2016-11-15 18:40 +0100

#174600 — trouble setting up raid1

Hi,

I'm trying to install a twelfth raid 1 partition on Jessie 8.5 and a 5 
TB HDD using gpt. Raid partitions 0 through 10 have presented no 
problem, but the twelfth pair of partitions won't pair up.

After I've selected /dev/sda12 and /dev/sdb12, Continue and then Finish 
from the menu, I've still only got Raid device numbers 0-10. /dev/sda12 
and /dev/sdb12 remain unlocked and available for reconfiguration - 
unlike devices 0-10 which show up on the main menu as Raid devices.

I'd guess that it's highly unlikely that there's a maximum number of 
Raid partitions, although I could live with it, but why is Partman 
rejecting my overtures?

And BTW is there any way to unlock or back out of a raid setup during 
configuration just in case I need to change something. How can I delete 
a raid device and start over if I have to? fdisk?

	Bill

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#174764

Hi Bill,

On Sat, Nov 12, 2016 at 10:56:11AM -0800, Bill wrote:
> I'd guess that it's highly unlikely that there's a maximum number of
> Raid partitions, although I could live with it, but why is Partman
> rejecting my overtures?

Can you try switching to the virtual console and setting up the RAID
manually using mdadm commands as you would do on a running server?
If that works then a bug against the installer would probably be
appropriate.

> And BTW is there any way to unlock or back out of a raid setup during
> configuration just in case I need to change something. How can I
> delete a raid device and start over if I have to? fdisk?

I have had partman become massively confused by previous contents of
disks before. I've used wipefs to get rid of signatures so partman
would be happy.

Cheers,
Andy

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https://bitfolk.com/ -- No-nonsense VPS hosting

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