Hi!
>I've been tossing around the following Idea.
>
>1. Make every block update availabile via a pseudo-device, /dev/rep0 -
>n. Each minor in this case could represent an individual
>(configurable) file system.
>
>2. Add an additional system call, which would update FS blocks based on
>a parameter, which would contain the block data, inode, and an offset.
>Proc file to start/stop replication.
>
>3. Lastly, write a user space network aware daemon to read from the
>pseudo-device, and transfer block information to a (multiple) servers
>running listeners.
>
>Granted, FS and block size would have to be the same on both ends, but
>that's trivial. I've also tossed around the idea of using raid 1over a
>network block device, but I see visions of caching issues with that one
>already.
why not just run raid1 over real disk and nbd?
-
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