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Hello. I reported ZFS issue here: PANIC: rpool: blkptr at ... DVA 0 has invalid OFFSET 18388167655883276288 #12019 The IO delay on node is rising from minute to minute. After some hours node stop responding completely. Service in RAM (like ceph) are still running. After long time cluster shows...

Last days I decided to improve my experimental CEPH cluster (4 x PVE = 4 x OSD = 4 x 2TB HDD) performance by adding DB on small partition of NVMe. To do this I need to cut some space from existing NVMe L2ARC partition. Every PVE host has 2 x HDD for rpool, and rpool's ZIL and rpool's L2ARC are...