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https://github.com/ceph/ceph
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4d2f8879be
Test disabling stretch mode with the following scenario: 1. Healthy Stretch Mode 2. Degraded Stretch Mode Fixes: https://tracker.ceph.com/issues/67467 Signed-off-by: Kamoltat Sirivadhna <ksirivad@redhat.com>
68 lines
1.9 KiB
Bash
Executable File
68 lines
1.9 KiB
Bash
Executable File
#!/bin/bash -ex
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# A bash script for setting up stretch mode with 5 monitors and 8 OSDs.
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NUM_OSDS_UP=$(ceph osd df | grep "up" | wc -l)
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if [ $NUM_OSDS_UP -lt 8 ]; then
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echo "test requires at least 8 OSDs up and running"
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exit 1
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fi
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for dc in dc1 dc2
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do
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ceph osd crush add-bucket $dc datacenter
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ceph osd crush move $dc root=default
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done
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ceph osd crush add-bucket host01 host
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ceph osd crush add-bucket host02 host
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ceph osd crush add-bucket host03 host
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ceph osd crush add-bucket host04 host
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ceph osd crush move host01 datacenter=dc1
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ceph osd crush move host02 datacenter=dc1
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ceph osd crush move host03 datacenter=dc2
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ceph osd crush move host04 datacenter=dc2
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ceph osd crush move osd.0 host=host01
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ceph osd crush move osd.1 host=host01
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ceph osd crush move osd.2 host=host02
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ceph osd crush move osd.3 host=host02
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ceph osd crush move osd.4 host=host03
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ceph osd crush move osd.5 host=host03
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ceph osd crush move osd.6 host=host04
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ceph osd crush move osd.7 host=host04
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# set location for monitors
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ceph mon set_location a datacenter=dc1 host=host01
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ceph mon set_location b datacenter=dc1 host=host02
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ceph mon set_location c datacenter=dc2 host=host03
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ceph mon set_location d datacenter=dc2 host=host04
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# set location for tiebreaker monitor
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ceph mon set_location e datacenter=dc3 host=host05
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# remove the current host from crush map
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hostname=$(hostname -s)
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ceph osd crush remove $hostname
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# create a new crush rule with stretch rule
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ceph osd getcrushmap > crushmap
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crushtool --decompile crushmap > crushmap.txt
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sed 's/^# end crush map$//' crushmap.txt > crushmap_modified.txt
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cat >> crushmap_modified.txt << EOF
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rule stretch_rule {
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id 2
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type replicated
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step take default
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step choose firstn 2 type datacenter
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step chooseleaf firstn 2 type host
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step emit
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}
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# end crush map
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EOF
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crushtool --compile crushmap_modified.txt -o crushmap.bin
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ceph osd setcrushmap -i crushmap.bin
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ceph mon enable_stretch_mode e stretch_rule datacenter |