FreeBSD 10 and zfsd

[Lyndon Nerenberg]

On 2013-10-10, at 2:54 PM, Allan Jude <freebsd at allanjude.com> wrote:

> I've been working on the handbook section on ZFS and made certain to
> mention that, I'll have to look at improving the man page as well, but
> as far as I know, the man page is imported from IllumOS, where spares do
> work.

This is probably worthy of an in-tree man page update.  FreeBSD has a reputation for having highly accurate man pages, therefore people tend to take what they read as gospel.  Right now zpool(8) clearly spells out that hot spare substitution works.  When 10.0 goes live, people are going to believe that, and unknowingly put themselves in a position where Bad Things could happen.  Until zfsd goes into the tree, zpool(8) should have a warning that the hot spare functionality is not available under FreeBSD.

Proposed diff attached.

--lyndon

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