Re: raid1 with several old drives and a big new one

Alberto Bursi
2020-07-31T08:29:36Z

On 31/07/20 02:16, Eric Wong wrote:
> Say I have three ancient 2TB HDDs and one new 6TB HDD, is there
> a way I can ensure one raid1 copy of the data stays on the new
> 6TB HDD?
>
> I expect the 2TB HDDs to fail sooner than the 6TB HDD given
> their age (>5 years).
>
> The devid balance filter only affects data which already exists
> on the device, so that isn't suitable for this, right?
>
> Thanks in advance.

I'm not sure what is the problem, ok maybe the drives are old and are
more likely to fail, but why would more than one drive fail at once?

-Alberto