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    Problem with repository access

    Hi, we have regularly problem with some apt access to repository last weeks. Err:10 http://download.proxmox.com/debian/ceph-quincy bookworm InRelease Could not connect to download.proxmox.com:80 (212.224.123.70), connection timed out Err:11 http://download.proxmox.com/debian/pve bookworm...
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    Network mapping

    For manual (maybe semiautomatic too) https://www.zabbix.com/documentation/current/en/manual/config/visualization/maps/map and you can use it to monitor too.
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    I/O and Memory issues, losing my mind...

    X5670 is very old cpu (= slow for today). Server with such cpu doesn't support 12 Gbps SAS on the disk backplane. ZFS will comment somebody other, but you need to show perftest/fio at least.
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    How to setup a HA schema using Proxmox over VPN

    Ceph isn't limited to single subnet. Anyway, using "standard" vpn for different geo is nonsense.
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    [SOLVED] ansible-playbook create vm on proxmox

    https://docs.ansible.com/ansible/latest/collections/community/general/proxmox_module.html
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    ceph public bonded trunk interface

    I have ceph cluster 2x10G (public) + 2x10G (ceph) via openvswtich connected to stack switches, no problems.
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    HA Cluster

    https://pve.proxmox.com/wiki/High_Availability#_management_tasks
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    Move vzdump .gzip to another PVE

    Because they can work without encryption.
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    Move vzdump .gzip to another PVE

    rsync, rcp, nc etc
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    Freezing VMs after power failure

    Freezing = save RAM to disk. I don't think PVE has this feature. I saw it in XEN a very long time ago, never used it after anymore.
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    Is a mixed IPv4/IPv6 (not dualstack, but some cluster hosts IPv4, some v6) possible?

    Using dual-stack is better in such cases for failback in case of the problems. If you want be to sure, you can create pve test cluster as VMs.
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    Router wia wifi connection

    Buy for example mikrotik router with wifi.
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    [SOLVED] Start VM everyday at 7:00am

    And you can think about changing from cron to systemd unit.
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    What should be the correct hostname of PMG

    You are using 1 public IP for multiple servers hidden behind firewall with forwarded ports?
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    CEPH performances

    You can compare some things with https://forum.proxmox.com/threads/proxmox-ve-ceph-benchmark-2023-12-fast-ssds-and-network-speeds-in-a-proxmox-ve-ceph-reef-cluster.137964/unread
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    how to mount linux VM to any folder

    https://forum.proxmox.com/threads/how-can-i-mount-a-partition-of-a-vm-lvm.8280/#post-46823
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    Query host info for motd from VM

    Try lldpd, but it will show more info than just pve hostname.
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    RAID storage advice please

    4x1 TB SSDs arent't costly.
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    [SOLVED] Speeding up the failover

    https://docs.ceph.com/en/quincy/rados/configuration/mon-osd-interaction/
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    ISCSI LUN not available to create LVM base

    Google for any iscsiadm tutorial. There can be multiple problems - target not connected, not allowed, some config missing, etc etc.
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