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  • Iustin Pop's avatar
    Implement replace secondary via the iallocator · b6e82a65
    Iustin Pop authored
    This patch implements secondary replace via the iallocator. The new
    opcode parameter 'iallocator' behaves like this: if passed, it will
    always compute and assign a new secondary, behaving in effect as if the
    secondary node has been passed. It conflicts with actually giving the
    secondary too.
    [Note: not tested with remote_raid1, but the code should behave the
    same, we only touch CheckPrereq and we assign a node.]
    The patch also adds burnin support for the replace secondary operation;
    with this in place, burnin can fully work with auto-assigned nodes.
    Reviewed-by: ultrotter