Yes when it comes to RAID, a UPS is a must.

Linux MDADM is not resiliency against power lose. And will overwrite from master if they are not equal.

Cow system ZFS, LVM, BTRFS and similar, have separate metadata table to compare against. But even then they can be affected by write hole in the event of a powerloss.

If you are thinking it for “backup” for redundancy in case of disc error, a solution can be to use something like borg backup, and a source disk as a BTRFS file system so you can be notified if there is checksum errors.

A cheap UPS is 60€, it will work good enough.

The point to show the output is to help us understand your system. Not to point directly at the issue. Like for mount this will show what partition is mount where.

You system don’t have fdisk is installed.

To help you we need to understand your setup

• show us the output of ‘mount’
• show us the output of ‘lsblk’
• show us the output of ‘fdisk -l /dev/sda’
• Do you run snapshots?

If i am to get a new NAS I would get https://store.ui.com/us/en/products/unas-2

This is does not fit in this technology community. UK or World is more fitting.

Look Into BGP

https://bgp.tools/search?q=Facebook

Good question, I don’t know. If it is old shitty SSD you can exhaust lifetime write in days.

So they test 2200 drives for 2 hours?

Try compressing it in to a tar, this will save permissions.

you can also use backup tools like “Pika backup” (borg backup).

Constant maintenance no.

Currently I have some issues with the Nvidia driver acting up. So I am getting good at purging it and reinstalling it. Maybe once a month.

Under Ubuntu desktop.

My server I have very little issues. For mye Proxmox environments I have a small issue after restart it doesn’t properly month a NFS share. If I don’t do mount -a.

My laptop I have a constant issue that hibernating don’t work with encryption out of the box. So I have to turn if off or connected it to power. I think there have been mad some progress but I haven’t reinstalled Ubuntu for 2 years.

You guys still run Windows?!

I am running BTRFS Raid 6. i have no problems with it. You need a UPS to avoid transient errors.

https://lore.kernel.org/linux-btrfs/45adaefb-b0fe-4925-bc83-6d1f5f65a6dc@suse.com/

I would recommend move to BTRFS or ZFS. Easyer and safer to work with.

I use pihole with DNS over https (my ISP intercepts my non encrypted DNS queries) works great for me. Both in LXC and Raspberry pi.

What issue are you trying to solve?

This i need to try!

L3 cache is a hardware level function so unless the application like memtest86+ tells the cpu not to cache, everything is cached.

There are games that is so memory intensive when it comes to IO/s , that the cache plays a smaller role, like “X4: Foundations“.

/sys/bus/platform/drivers/amd_x3d_vcache/AMDI0101 is a global function. You can use ‘taskset’ to set cpu affinity at launch of application.

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SNMP monitoring can give you a realtime visualize all the device connected to a network, different subnets, etc, and show the flow of data for each network device.

https://www.librenms.org/

Try Ubuntu, it has a user friendly GUI for installing Nvidia and other 3 parts drivers.

I don’t know Void-musl.

I don’t know if you can install libnss-mdns. If /etc/nsswitch.conf is not standard you also need to configure it.

Are you able to setup VM with Debian, so you can test with a standard environment?