ceph/src/ceph-osd-prestart.sh
Sage Weil e9e68655d7 init-ceph, ceph-osd-prestart: set osd weight with more precision
Our fixed point weights can go down to .0001 -- allow that.

Fixes: #11500
Signed-off-by: Sage Weil <sage@redhat.com>
2015-06-02 14:20:31 -07:00

51 lines
1.6 KiB
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#!/bin/sh
eval set -- "$(getopt -o i: --long id:,cluster: -- $@)"
while true ; do
case "$1" in
-i|--id) id=$2; shift 2 ;;
--cluster) cluster=$2; shift 2 ;;
--) shift ; break ;;
esac
done
if [ -z "$id" ]; then
echo "Usage: $0 [OPTIONS]"
echo "--id/-i ID set ID portion of my name"
echo "--cluster NAME set cluster name (default: ceph)"
exit 1;
fi
update="$(ceph-conf --cluster=${cluster:-ceph} --name=osd.$id --lookup osd_crush_update_on_start || :)"
if [ "${update:-1}" = "1" -o "${update:-1}" = "true" ]; then
# update location in crush
hook="$(ceph-conf --cluster=${cluster:-ceph} --name=osd.$id --lookup osd_crush_location_hook || :)"
if [ -z "$hook" ]; then
hook="/usr/bin/ceph-crush-location"
fi
location="$($hook --cluster ${cluster:-ceph} --id $id --type osd)"
weight="$(ceph-conf --cluster=${cluster:-ceph} --name=osd.$id --lookup osd_crush_initial_weight || :)"
defaultweight=`df -P -k /var/lib/ceph/osd/${cluster:-ceph}-$id/ | tail -1 | awk '{ d= $2/1073741824 ; r = sprintf("%.4f", d); print r }'`
ceph \
--cluster="${cluster:-ceph}" \
--name="osd.$id" \
--keyring="/var/lib/ceph/osd/${cluster:-ceph}-$id/keyring" \
osd crush create-or-move \
-- \
"$id" \
"${weight:-${defaultweight:-1}}" \
$location
fi
journal="/var/lib/ceph/osd/${cluster:-ceph}-$id/journal"
if [ -L "$journal" -a ! -e "$journal" ]; then
udevadm settle --timeout=5 || :
if [ -L "$journal" -a ! -e "$journal" ]; then
echo "ceph-osd($UPSTART_INSTANCE): journal not present, not starting yet." 1>&2
stop
exit 0
fi
fi