Hello,
I have an SSD mirror pool which last couple of months is sometimes showing these errors, out of the blue:
errors: Permanent errors have been detected in the following files
However, there are no other errors on the SSDs nor in the pool.
I normally need to do 2 scrubs and then the errors are gone. Again without having repaired anything.
Given that these are errors in snapshots, I can’t believe there is an actual error. The snapshot errors are in different datasets each time I got/get this warning (some are pretty old snapshots, so before these errors occurred for the first time)
Any thoughts? Cable issue?
Thanks!
ps. I am running 25.10.1 Goldeneye but unable to change my signature, as it doesn’t stick.
After the first scrub:
pool: ssdpool
state: ONLINE
status: One or more devices has experienced an error resulting in data
corruption. Applications may be affected.
action: Restore the file in question if possible. Otherwise restore the
entire pool from backup.
see: Message ID: ZFS-8000-8A — OpenZFS documentation
scan: scrub repaired 0B in 00:26:42 with 0 errors on Tue Jan 6 20:08:01 2026
config:
NAME STATE READ WRITE CKSUM
ssdpool ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
de799a96-af38-4531-bf79-3aec3ab47dbb ONLINE 0 0 0
3bbc965e-6a1b-492e-8eac-8bf57e62c758 ONLINE 0 0 0
errors: Permanent errors have been detected in the following files:
ssdpool/docker_data/influxdb@auto-2025-11-10_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-31_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-07_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-13_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-26_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-08_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-13_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb:<0x1>
ssdpool/docker_data/influxdb@auto-2026-01-06_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-28_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-20_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-20_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-05_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-04_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-22_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-11_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-03_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-31_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-23_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-28_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-28_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-01_00-00-5Years-monthly:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-07_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-24_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-15_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-30_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-09_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-10_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-02_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-15_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-25_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-21_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-26_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-15_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-19_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-08_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-22_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-17_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2026-01-01_00-00-5Years-monthly:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-23_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-27_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-14_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-09-01_00-00-5Years-monthly:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-09_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-10_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-08-01_00-00-5Years-monthly:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-29_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2026-01-01_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-16_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-01_00-00-5Years-monthly:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-05_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2026-01-04_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-04_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-21_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-17_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-16_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-06_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-22_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-17_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2026-01-05_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-12_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-18_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-14_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-11_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-06_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-16_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2026-01-07_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-29_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-23_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2026-01-02_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-26_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-21_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-12_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-30_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-27_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-01_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-30_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-18_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-18_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-13_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-25_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-27_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2026-01-03_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-10-19_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-01_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-02_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-25_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-03_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-24_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-20_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-24_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-12-01_00-00-5Years-monthly:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-14_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-19_00-00-3Months-daily:<0x1>
ssdpool/docker_data/influxdb@auto-2025-11-11_00-00-3Months-daily:<0x1>
And after the second scrub:
pool: ssdpool
state: ONLINE
scan: scrub repaired 0B in 00:16:44 with 0 errors on Wed Jan 7 07:49:37 2026
config:
NAME STATE READ WRITE CKSUM
ssdpool ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
de799a96-af38-4531-bf79-3aec3ab47dbb ONLINE 0 0 0
3bbc965e-6a1b-492e-8eac-8bf57e62c758 ONLINE 0 0 0
errors: No known data errors