Strange disk accesses after upgrading to 15.0

T

thorstenr

Hello all, I'm currently running FreeBSD 15.0-RELEASE-p1.
Since upgrading from 14.3, there are audible disk accesses every few (5-8) seconds.

Did something change with ZFS or FreeBSD that would explain that?

I'm using the following pools:
root (nvme) - contains the os and jails
shared (nvme) - contains shared data
data (sata hdds, mirrored) - main data storage
backup_01, backup_03 (sata hdd) - backup disks

The problem stops when I spin down the disks in the data pool:
camcontrol standby /dev/ada0
camcontrol standby /dev/ada1

Isof does not list any open files in that pool.

Does anybody have any idea what might be going on there, or how I can track down the problem?

Thanks,
Thorsten
 
Hi,

Do you run some desktop environment like xfce for example? If so, something like gvfs might be running and accessing disks. I was opened a thread about gvfs recently and found the solution by not using the whole DE even though not very good solution.
 
Theoretically I'm running KDE - but that stopped working quite a while ago. I'll probably just uninstall it, to me it's not worth the hassle.
 
Just in case someone has the same problem - it looks like there is a (temporary) solution.
This works on my system and doesn't have any adverse effects - ymmv
 
To my knowledge, this is not something that came in with 15.x I've experienced it on and off for a long time. The "timing" of it always felt related to something processing Transaction Groups (TXGs, or writes to the vdev), the issue talking about RRDs sounded reasonable.
 
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