this post was submitted on 16 Aug 2024
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Your title is about backups but your question seems mostly just about how to set up your storage for backups.
You can go about pooling disks in a few ways but you first need to define what level of protection from failure you want. Before going further though, how much space do you project that you will need for backups?
one backup would be a bit under 3tb, if I could keep a second copy it would be 6tb. I just want some disk failure protection really since these are mostly the drives I pull out from my main server as I upgrade to larger drives
Btrfs works with different hard drive sizes, with 1 disk failure with no data loss.