Hi! Do you have any disk errors in dmesg output? In our practice, every time the deep scrub found inconsistent PG, we also found a disk error, that was the reason. Sometimes it was media errors (bad sectors), one time - bad sata cable and we also had some raid/hba firmware issues. But in all cases, when we see inconsistent PG - we also see disk errors. So, please, check them at your cluster firstly.
Megov Igor CIO, Yuterra
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