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Setting more channels on NIC seems to have great benefits (still getting a 2% packet loss with 6 channels):
ethtool -L eno1 combined 6
The issue seems related to NIC card.
In other cluster (working well) I have a BCM5720 and I see in /proc/interrupts 1 TX channel and 4 RX...
I tried removing the bond but I still have packet loss only in LXC !
Kernel Interface table
Iface MTU RX-OK RX-ERR...
Thank you. It worked.
I stopped OSDs and removed them.
Then I zapped them to bring disk at default status:
ceph-volume lvm zap /dev/sdX...
I decided to redistribute my cluster nodes in a different way, so I want to remove one node from one cluster to another.
Which is the...
I have 2 clusters sharing same switches and some large IP ranges.
All servers have main public IP on 5.x.x.X assigned to bridge
I am asking suggestion on how to troubleshoot packets dropped on an LXC.
Proxmox host has a public IP + a different public IP range...
due to maintenance I need to reboot one switch.
I have some nodes of a cluster connected to it for two networks, wan bridge and cluster...
Yes but this excludes both disk slowness and HBA/Raid mode performance as causes.
One strange update.
I had to restart all nodes one by one and after that the I/O delay is now normal with the same VM usage.
Could it be...
On the same network 10.10.20.0/24