Re: btrfs-progs reports nonsense scrub status

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On Thu, May 7, 2020 at 8:32 PM Andrew Pam <andrew@xxxxxxxxxxxxxx> wrote:
>
> On 8/5/20 12:26 pm, Chris Murphy wrote:
> >> One thing that might be relevant:  On the original scrub, I started it
> >> on the mountpoint but initially cancelled and resumed it on the device
> >> /dev/sda rather than the mountpoint.  Could that trigger a bug?
> >
> > Maybe. Try it and see.
>
> I just want to get a scrub to complete normally first.  So far it's not
> making a lot of progress.  More visibility into the process might be
> helpful.

>Rate:             112.16MiB/s
>Rate:             111.88MiB/s

These are hard drives? Those are reasonable rates. It's typical for
drives to differ ~50% from outer most to inner most tracks. Depending
on the chunk layout and progress, the rate may vary, including between
drives.

-- 
Chris Murphy



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