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2007 Apr 18
2
zfs block allocation strategy
...riping to increase disk bandwidth. Since a new block may be allocated from any of the top-level vdevs, the SPA implements dynamic striping by spreading out writes across all available top-level vdevs"
Now, if I need two filesystems, /protect (mirrored - 2physical) and /fast_unprot (striped - 3physical), is it correct that we end up with 2 top-level vedvs. If that is the case then from the above paragraph does it mean that blocks for either filesystem blocks can end up in any of the 5 physicals. What happens to the intended protection and performance? I am sure, I am missing some basics here.
T...