v10.2.5 - crushtool working fine to show rack mappings. How are you running the command? Get some sleep! ha.
crushtool -i /tmp/crush.map --test --ruleset 3 --num-rep 3 --show-mappings
rule byrack {
ruleset 3
type replicated
min_size 1
max_size 10
step take default
step chooseleaf firstn 0 type rack
step emit
}
On Thu, Feb 16, 2017 at 7:10 AM, Blair Bethwaite <blair.bethwaite@xxxxxxxxx> wrote:
Am I going nuts (it is extremely late/early here), or is crushtool
totally broken? I'm trying to configure a ruleset that will place
exactly one replica into three different racks (under each of which
there are 8-10 hosts). crushtool has given me empty mappings for just
about every rule I've tried that wasn't just the simplest: chooseleaf
0 host. Suspecting something was up with crushtool I have now tried to
verify correctness on an existing rule and it is including OSDs in the
result mappings that are not even in this hierarchy...
(this is on a 10.2.2 install)
--
Cheers,
~Blairo
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Brian Andrus | Cloud Systems Engineer | DreamHost
brian.andrus@xxxxxxxxxxxxx | www.dreamhost.com
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