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this post was submitted on 27 Jun 2024
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To me it seems they followed the hdd UUID style, rather than sda0 or hda0 that can change at boot you now have a fixed UUID to work with. I can see this being important on larger server networks
But the SSD/HDD solution doesn't replace /dev/[s|h]da# entirely, just adds a consistent way to set them in configs like fstab. You can still use the old device names so working with them at the command line is still easy for the most part.
It is but they change....so becarefilul with dd LOL
I mean, you should be careful with destructive changes and commands whether the interface names can change or not... And since they won't change outside of a reboot, I've yet to run into a scenario where that becomes a problem as I'm looking at and making sure I'm talking to the correct device before starting anyway
Yep, i always type the line and take a break, and check the drives in another terminal first, before committing, but the web is full of people "argg I just dd the wrong drive".
Having consistent interface names on servers that have several is useful, but we already had that option. The interface names they generate are not only hard to remember, but not terribly useful as they're based on things like which PCI slot they're in, rather than what their purpose is. You want interface names like
wan0
andDMZ
, notenp0s2
. Of course, you can set it up to use useful names, but it's more complicated than it used to be, so while the systemd approach looks like a good idea on the surface, it's actually a retrograde step.