I spent a couple of hours figuring out why the heck gmirror/ggate was acting so weird. Problem was that normal write&read activity was okay, but a "burst" e.g.
dd if=/dev/zero of=./test bs=1024 count=1M would hang the whole system and render it unusable.
ggatec create -o rw -q 10241024 192.168.1.12 /dev/da1 solves the problem. the -q option
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