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  1. H

    Dell Server Compatibility Matrix

    Proxmox works with anything you throw at it. Whether it runs well depends on the workload.
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    Slow disk performance

    You're testing with a random generator, those aren't meant to be fast but accurate. Your system has no entropy. Verify the speed with: apt install pv cat /dev/urandom | pv > /dev/null You should use fio for proper benchmarking.
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    MSSQL Database in High Available

    The best is to use HA on application layer, e.g. mariadb galera. Hypervisor HA has delay and no data integrity.
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    ZFS multi node cluster?

    It's possible but definitely not something you want. Ceph uses multicast so it sends once and all nodes receive. ZFS only sends to a single node and repeats the step for each so you get 20x the traffic. ZFS also is not live, it sends in intervals using snapshot replication with minimal...
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    Wenige KB/s Übertragung via. WebDAV auf Nextcloud

    Das ist allgemein so, wenn man viele kleine Dateien synchronisiert. Hierbei bist du an iops gebunden und nicht an die schreib rate der Festplatte. Webdav macht es dann noch schlimmer, da jede Datei als eigener http request hochgeladen wird. Um das beste raus zu holen nutz php 8.0 mit...
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    Cant change DNS settings of LXC Debian containers

    Inside the container. Then it's not proxmox fault. There are some services like resolvconf which overwrite it at boot from /etc/network/interfaces. Did you set the lxc to dhcp ? It can also be overwritten from dhcp.
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    Passing Variables from Proxmox Server to Windows and Linux Guest VM's Running on Same

    You can use ansible to set environment/path variables. But in that case it's better to use ansible for everything.
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    OPNsense best practices?

    "It will be slow if the master OPNsense is offline because all 8 VLANs will be routed over a single Gbit" For example if you have a storage server you add all needed vlans to it, so it can be reached over the subnet and not over the gateway. If it's low traffic it's fine, just keep in mind the...
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    OPNsense best practices?

    I don't see a problem, it serves as backup only and you should not route over vlans anyway. Subnet traffic never hits the gateway. You can try to upgrade the x3 firmware https://www.mellanox.com/support/firmware/connectx3en Also update freenas to truenas there are many changes in bsd kernel...
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    Influxdb Tag Values

    Works without any problems here. Influxdb >=1.8 Open grafana explore and set where = host
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    Grafana Proxmox Dashboards

    I made some dashboards for kiosk use. https://herold.space/proxmox-grafana-dashboard/
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    Keine E-Mail bei Fehlermeldungen

    Was kommt bei dir ? Eventuell löst dein dns .space nicht auf ? Oder bekommst du 403 / connection refused ?
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    OpenZFS 2.0?

    You are probably not using zstd but lz4 instead.
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    [SOLVED] Recent new node didn't seem to allocate any swap?

    Swap is not only useful for oom situations. It swaps unnecessary things out so more ram can be used as file cache. https://herold.space/create-swap-on-zfs-zvol/
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    Keine E-Mail bei Fehlermeldungen

    Habs hier dokumentiert https://herold.space/postfix-mail-configuration/
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    Cant change DNS settings of LXC Debian containers

    You can run touch /etc/.pve-ignore.resolv.conf And then edit /etc/resolv.conf manually.
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    OpenZFS 2.0?

    Yay persistent l2arc. Time to buy some more nvme drives.
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    Thin Provisioned Windows-VMs use full capacity in Proxmox Ceph after migration

    You have to change all "sata0" to "scsi0", you missed "sata0: vm_nvme:vm-105-disk-0,discard=on,size=200G,ssd=1" If your vm fails to boot you did not install vioscsi driver from virtio. But you figured that out already. Don't run optimization, "sdelete -z" is all you need. Please post your...
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    OPNsense best practices?

    Try with the onboard intel/broadcom nic to verify it's not a driver issue with mellanox. BSD always lacks behind and has weird issues. Might be some freenas setting but I doubt that. You can also try to set the nic to promisc mode but unlikely it fixes it.
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    OPNsense best practices?

    Almost all packets are dropped ? Does the output of "ifconfig bond0" state the drops as well ? I only have 289 drops for 200GB of traffic and if I run tcpdump there are none. Do you have the firewall of pve enabled or custom iptable rules ? "iptables -L"

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