On 7/2/21 5:48 PM, Dan Ritter wrote:
Paul wrote:
I run regular btrfs scrubs through btrfsmaintenance on my disk array without
issues. This time, though, the scrub percentage went over 100%. I kept it
running so that I can file a bug if this is one.
Which package do I file this against? I believe it's in the Linux kernel not
btrfs-progs, but I thought I would ask since I'm new to this.
UUID: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
Scrub started: Thu Jul 1 00:03:28 2021
Status: running
Duration: 37:13:49
Time left: 21358913:01:19
ETA: Mon Feb 11 06:18:36 4458
Total to scrub: 29.08TiB
Bytes scrubbed: 29.24TiB (100.56%)
Rate: 228.79MiB/s
Error summary: no errors found
Reported to the btrfs list last year, doesn't look like there's
any followup. Check out your time left calculation, too.
https://lore.kernel.org/linux-btrfs/[email protected]/
They mention "When the filesystem has grown during scrub...". I'm not sure if
they mean they increased the size of the FS while it was scrubbing. Definitely not a good
idea, IMO.
It is probably significant that over the last year, I see a fair
number of issues with crashes and unrecoverable data on the btrfs list.
I've been using Btrfs for several years. It works quite well. I chose it over
ZFS for its flexibility. The only issues I had are mostly my idiocy. Thankfully
I was able to recover and didn't lose any data.
Just a data point ;)
On the ZFS list, most of the discussion is about optimal
configurations.
-dsr-
An update about the scrub: an hour or so later the percentage went back to 1%.
I don't remember what happened to the other parameters, but I just cancelled it
anyway. I didn't have any errors, thankfully, as usual.
