There’s a moment in every technologist’s life — usually around the third catastrophic failure — when you stop believing in “best practices” and start believing in redundancy. Not the cute kind, like saving two copies of a file, but the deep, structural understanding that every system is one bad update away from becoming a cautionary tale. Redundancy isn’t paranoia. Redundancy is adulthood.
We grow up with this fantasy that systems are stable. That files stay where we put them. That updates improve things. That the kernel will not, in fact, wake up one morning and decide it no longer recognizes your hardware. But anyone who has lived through a corrupted home directory, a drive that died silently, a restore tool that restored nothing, or a “minor update” that bricked the machine knows the truth. There is no such thing as a single reliable thing. There are only layers.
Redundancy is how you build those layers. And it’s not emotional. It’s architectural. It’s the difference between a house with one sump pump and a house with a French drain, a sump pump, a backup sump pump, and a water‑powered pump that kicks in when the universe decides to be funny. One is a house. The other is a system. Redundancy is what turns a machine — or a home — into something that can survive its own failures.
Every mature system eventually develops a Department of Redundancy Department. It’s the part of the architecture that says: if the OS breaks, Timeshift has it. If Timeshift breaks, the backup home directory has it. If the SSD dies, the HDD has it. If the HDD dies, the cloud has it. If the cloud dies, the local copy has it. It’s not elegant. It’s not minimal. It’s not the kind of thing you brag about on a forum. But it works. And the systems that work are the ones that outlive the people who designed them.
Redundancy is the opposite of trust. Trust says, “This drive will be fine.” Redundancy says, “This drive will fail, and I will not care.” Trust says, “This update won’t break anything.” Redundancy says, “If it does, I’ll be back in five minutes.” Trust is for people who haven’t been burned yet. Redundancy is for people who have.
And if you need the ELI5 version, it’s simple: imagine carrying a cup of juice across the room. If you use one hand and you trip, the juice spills everywhere. If you use two hands and you trip, the other hand catches the cup. Redundancy is the second hand. It’s not about expecting to fall. It’s about making sure the juice survives even if you do.
Redundancy is not a backup strategy. It’s a worldview. It’s the recognition that systems fail in predictable ways, and the only rational response is to build more system around the failure. Redundancy is the architecture of continuity — the quiet, unglamorous infrastructure that keeps your life from collapsing when the inevitable happens.
Welcome to the Department of Redundancy Department.
We’ve been expecting you.
Scored with Copilot. Conducted by Leslie Lanagan.
















