getting to 4K disk blocks in ZFS

[Steven Hartland]

----- Original Message ----- 
From: "Ben Morrow" <ben at morrow.me.uk>
> Put a UFS on a zvol? You get the raidz/snapshots of the zpool but since
> UFS uses fragments you should waste less space with small files.

So your forcing to do exactly what it did when using 512b sectors just with
an extra layer in the middle for no reason. Doesn't sound like a good idea.

> In principle ZFS could use fragments too, though the copy-on-write logic
> would end up looking exactly like SSD wear-levelling logic, and might be
> slow enough to be a problem. I don't know if anyone is working on this.

Most SSD's advertise this so you could achieve this if you wanted to
but then your just back where you started from.

    Regards
    Steve