Distributed parallel fault-tolerant file systems

Okay kiddo, so sometimes we need to store really really big files like movies or lots and lots of photos. But sometimes, we don't have just one computer big enough to store everything.

So, what we can do is take a bunch of smaller computers and connect them together so they work like one big computer! This is called a distributed file system.

But, sometimes one of the computers might stop working or break, and we don't want to lose all the files we stored on it. That's where a fault-tolerant system comes in.

It's like if you have a toy and one part of it doesn't work anymore, you can still use the other parts and the toy will still work. So, if one of the computers in our big computer stops working, the other computers will keep working and we won't lose our files.

And finally, sometimes we want to work on our files at the same time with other people. That's where a parallel system comes in. It means we can all work on the same file at the same time and not get in each other's way.

So, a distributed parallel fault-tolerant file system is like a bunch of smaller computers connected together to make one big computer, where we can all work on the same file at the same time, and if one of the computers stops working we won't lose all our files.