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SubjectRe: [6.2][regression] after commit 947a629988f191807d2d22ba63ae18259bb645c5 btrfs volume periodical forced switch to readonly after a lot of disk writes
On Thu, Dec 29, 2022 at 4:31 AM Qu Wenruo <quwenruo.btrfs@gmx.com> wrote:
>
> Are you using qgroup? If so it may be worthy trying disabling qgroup.

I do not use quota.
And looks like my distro does not use quita by default.
❯ btrfs qgroup show -f /
ERROR: can't list qgroups: quotas not enabled

> But for newer kernel, qgroup hang should only happen when dropping large
> snapshot, I don't know if podman pull would cause older snapshots to be
> deleted...

It is not a regression, it also happened on older kernels.
But it is really annoying when the browser process waits when "podman
pull" writes changes to disk.
In fact, I have been waiting for 5 years for caching of slow HDDs by
using the cache on the SSD, but apparently I can’t wait.
And I started slowly buying expensive large SSDs to replace the big
HDD. I still can’t find time to connect D5 P5316 30.72 Tb to the
primary workstation.
I want to make a video review of it. I understand this is an expensive
solution and not suitable for everyone, unlike an affordable SDD
cache.

--
Best Regards,
Mike Gavrilov.

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