Recent content by UdoB

Ohne Beleg aus der Hüfte geschossen: ist das Schreib-Ziel ein preiswertes Device oder "Enterprise Class"? Preiswertere SSD/NVMe haben oft einen dedizierten Single-Level-Cell Bereich, in den ankommende Daten schnell geschrieben werden können. Erst später werden die Daten an die finalen...

Warum wird das eigentlich als bash-Script verkauft, wenn es so beginnt: #!/usr/bin/env bash # Proxmox VE Login Banner - Norton Commander Style # Default: ANSI blue /etc/motd ONLY (no pre-login disclosure) # Options: --mono --issue --no-issue --no-motd set -euo pipefail if (( EUID != 0 )); then...

No! As so often my current situation is the result of an organically grown system. Restarting today would make me opt for Ceph, but changing a sufficiently well working system is... difficult. (And would require much more redundancy and speed on the network level.) No. Replication runs not very...

When I setup my first PVE with subscription I had a similar experience. IPv6 has priority over legacy IPv4 for any connection - if IPv6 is configured to be available. In my case it was an incomplete configuration - with no working gateway. My solution was to disable IPv6 on this kind of...

Richtig. Das hat aber rein gar nichts mit "Compression" zu tun, das ist klar, ja? Komprimierung geschieht dynamisch mit den Daten, die nominell geschrieben werden und dann tatsächlich weniger Platz auf dem Device belegen.

Yes, sure. At least on CPUs from the last 10 (or more) years. The induced CPU load is near zero usually. It works transparently and on my machines I did not do any tuning to get more than 33% space saving on nearly all ZVOLs: ~# zfs get compressratio -t vol rpool/data/vm-2205-disk-1...

Is it? I am running ZFS only. On mirrors, of course. Five nodes --> 10 disks. (Minimum, actually there are many more - but for simplicity...) Every VM being replicated to all five nodes means that each and every byte is stored on 10 physical drives. Utilizing Ceph with five nodes and the...

You can query DNS by multiple tools. A simple one is this: host -t TXT _spf.google.com _spf.google.com descriptive text "v=spf1 ip4:74.125.0.0/16 ip4:209.85.128.0/17 ip6:2001:4860:4864::/56 ip6:2404:6800:4864::/56 ip6:2607:f8b0:4864::/56 ip6:2800:3f0:4864::/56 ip6:2a00:1450:4864::/56...

Just to be sure, you know that page? --> https://pve.proxmox.com/wiki/Upgrade_from_8_to_9 I followed it multiple times and it worked in every single case. But I can not answer your question nevertheless - I am using only a very few LXCs, sorry. You may install PVE9 in a VM. (Ignore possibly...

You did not tell us how the actual storage of the PBS is implemented. (Specifically the ".chunks"-store.) Especially restoring (and verifying) does need IOPS as each and every chunk has to be read from media...

First guess: check the system temperature. Some devices produces errors when running too hot. Look at the SMART-data to get an idea. Example, just for demonstration: ~# smartctl -A /dev/sda | grep -i temp 194 Temperature_Celsius 0x0022 071 048 000 Old_age Always -...

One simple single forwarded port is not sufficient, I believe. The more common way is to utilize a reverse proxy: https://forum.proxmox.com/threads/working-novnc-with-reverse-proxy-on-5-1.43644/ Also rethink your approach with regard to security - a PVE, reachable "directly" from the outer...

While I do not run large clusters but only a few smaller ones I see some additional failure sources - random thoughts: is it a cluster or a single machine? For a cluster you may inject network errors/outages I am not sure how to emulate Ram errors - but if you could inject them, it would damage...

Sorry, I just wanted to mention that one ;-) Every administrator has a separate account, right? If not: how could you tell who made that big mistake last night? ;-) (( In my $dayjob we are utilizing ssh with forced key-only login and sudo logs (locally and remotely) who did run "sudo rm /"...

Hello rmaxhost, I must admit that I probably do not understand what you're asking, sorry. When you install PVE from the installation .iso (usually from an USB stick) you can select ZFS and create a mirror, utilizing those two S3610. That's fine - and from my point of view actually the best...