One SSD and one HDD

[dan]

The ZFS "copies" features is useless: Change my mind

We start with the premise that I am always correct. Ergo, I can never be incorrect. Ergo, any position that opposes mine is de facto incorrect. Therefor, you cannot refute my claim. It’s futile. There is a dataset ZFS property called copies. This is a useless feature. You can set it to copies=2 or copies=3, which will write two copies or three copies of every block that is saved to the dataset. The vdev doesn’t matter, as this also applies to non-redundant stripes. Here’s why I find it t…