Hi Tony,

The current behavior is that you can add a spare to a root pool. If the spare kicks in automatically, you would need to apply the boot blocks
manually before you could boot from the spared-in disk.

A good alternative is to create a two-way or three-way mirrored root
pool.

We're tracking the root pool boot issues. If a bug isn't filed for this issue, I will file it.

Thanks,

Cindy

On 09/29/10 08:31, Tony MacDoodle wrote:
Using ZFS v22, is it possible to add a hot spare to rpool?

Thanks


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