I'm on Debian using Kernel 5.3.0-0.bpo.2-amd64 and btrfs-progs version
v5.2.1.
Here's an output of scrub status:
######################################
UUID: c4adb372-178b-4398-977d-bc91bef6130f
no stats available
Time left: 87884330:53:42
ETA: Thu Oct 26 11:30:49 12045
Total to scrub: 18.67TiB
Bytes scrubbed: 35.70TiB
Rate: 55.60MiB/s
Error summary: no errors found
#######################################
On Mi, 2020-01-08 at 14:49 -0700, Chris Murphy wrote:
> On Wed, Jan 8, 2020 at 3:19 AM Robert Krig
> <robert.krig@xxxxxxxxxxxxxxxxxx> wrote:
> > Hi, I've got a server where I have 4x8TB Disks in a BTRFS RAID5
> > (metadata and systemdata as RAID1) configuration.
> >
> > It's just a backup server with data I can always recreate.
> > This server is in the bedroom, so I send it to sleep/suspend when I
> > go
> > to bed and then wake it up in the morning.
> >
> > Since a scrub takes days on such a setup, I issue a btrfs scrub
> > resume
> > whenever the server wakes up again.
> >
> > btrfs scrub status shows me that the total data to scrub is
> > 18.67TB,
> > but it's already scrubbed 36.60TB. Is there any way I can calculate
> > how
> > much more data is going to be scrubbed? 4x8TB is 32TB, so we're
> > passed
> > that, but I'm guessing this also has to do with parity data as
> > well.
> >
>
> What kernel version and btrfs-progs version? Recent btrfs progs has a
> new output that shows more info including a time to completion
> estimate. Can you post the output from 'btrfs scrub status
> /mountpoint/' ?
>
