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Enable fast du for an existing ceph image
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| IMAGE=pool_name/image_name | |
| rbd feature enable $IMAGE exclusive-lock | |
| rbd feature enable $IMAGE object-map | |
| rbd object-map rebuild $IMAGE | |
| rbd du $IMAGE | |
| # Enabling for all images in a pool | |
| POOL=pool_name | |
| for IMAGE in $(rbd ls $POOL); do if rbd info $POOL/$IMAGE | grep -q object-map; then echo "$POOL/$IMAGE has been processed"; else echo "processing $POOL/$IMAGE" && rbd feature enable $POOL/$IMAGE exclusive-lock && rbd feature enable $POOL/$IMAGE object-map && rbd object-map rebuild $POOL/$IMAGE; fi ; done |
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