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#!/usr/bin/env bash
source $(dirname $0)/../detect-build-env-vars.sh
if [ `uname` = FreeBSD ]; then
SED=gsed
else
SED=sed
fi
read -r -d '' cm <<'EOF'
# devices
device 0 device0
device 1 device1
device 2 device2
device 3 device3
device 4 device4
# types
type 0 osd
type 1 domain
type 2 pool
# buckets
domain root {
id -1 # do not change unnecessarily
# weight 5.000
alg straw2
hash 0 # rjenkins1
item device0 weight 10.0
item device1 weight 10.0
item device2 weight 10.0
item device3 weight 10.0
item device4 weight 1.000
}
# rules
rule data {
ruleset 0
type replicated
min_size 1
max_size 10
step take root
step choose firstn 0 type osd
step emit
}
EOF
three=($(echo "$cm" | crushtool -c /dev/fd/0 --test --show-utilization \
--min-x 1 --max-x 1000000 --num-rep 3 | \
grep "device \(0\|4\)" | $SED -e 's/^.*stored : \([0-9]\+\).*$/\1/'))
if test $(echo "scale=5; (10 - ${three[0]}/${three[1]}) < .75" | bc) = 1; then
echo 3 replicas weights better distributed than they should be. 1>&2
exit 1
fi
one=($(echo "$cm" | crushtool -c /dev/fd/0 --test --show-utilization \
--min-x 1 --max-x 1000000 --num-rep 1 | \
grep "device \(0\|4\)" | $SED -e 's/^.*stored : \([0-9]\+\).*$/\1/'))
if test $(echo "scale=5; (10 - ${one[0]}/${one[1]}) > .1 || (10 - ${one[0]}/${one[1]}) < -.1" | bc) = 1; then
echo 1 replica not distributed as they should be. 1>&2
exit 1
fi
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