[GLLUG] Link two RAIDs in one LVM?

[Dr. Axel Stammler]

Hi,

On Mon 2020-05-11 10.02.00, Greater London Linux User Group wrote:
>On 10/05/2020 21:35, Andy Smith via GLLUG wrote:
>>Hello,
>>
>>On Sun, May 10, 2020 at 10:03:32PM +0200, Dr. Axel Stammler via GLLUG wrote:
>>>On Sun 2020-05-10 08.53.16, James Courtier-Dutton wrote:
>>>>So, I think moving to an "LVM mirror" solution is your best bet for
>>>>future extensibility.
>
>I haven't reviewed all the recent replies, but is there any reason why 
>you can't add the the two new disks of the same size and migrate from 
>RAID 1 to RAID 10, e.g:
>
>https://blog.voina.org/convert-an-existing-2-disk-raid-1-to-a-4-disk-raid-10/
>
>(though that has LVM on top, shouldn't make a difference in these 
>circumstances, just a quick search, there's many other references, 
>YMMV)

Unfortunately, there is no LVM on top of the existing RAID-1 system.
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