Re: RAID1 vs RAID10

[Nicholas D Steeves <nsteeves@gmail.com>]

[-- Attachment #1: Type: text/plain, Size: 760 bytes --]

Andrei Borzenkov <arvidjaar@gmail.com> writes:

> On Mon, Oct 20, 2025 at 3:23 PM Ulli Horlacher
> <framstag@rus.uni-stuttgart.de> wrote:
>>
>>
>> I have just discovered, that RAID1 is possible with more than 2 devices:
>>
>> https://btrfs.readthedocs.io/en/latest/mkfs.btrfs.html#profiles
>>
>> What is the difference to RAID10?
>>
>
> In RAID1 each chunk (copy) is located on a single disk. In RAID10 each
> chunk (copy) is striped across multiple disks.
>
> https://lore.kernel.org/linux-btrfs/87v8qokryt.fsf@vps.thesusis.net/T/

Does the RAID10 profile still have equivalent read-speed to RAID1
profile on recent (>=6.12) kernels?  Last I looked into it both were
still limited to the speed of a single-device.

Regards,
Nicholas

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 861 bytes --]