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Each device is shown by device name, and corresponding OSD id", "fieldConfig": { "defaults": { "custom": { "fillOpacity": 8, "showPoints": "never" }, "unit": "Bps" } }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 9, "w": 11, "x": 12, "y": 12 }, "id": 12, "legend": { "alignAsTable": false, "avg": false, "current": false, "max": false, "min": false, "rightSide": false, "show": true, "sideWidth": null, "total": false, "values": false }, "lines": true, "linewidth": 1, "links": [ ], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "repeat": null, "seriesOverrides": [ { "alias": "/.*read/", "transform": "negative-Y" } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "label_replace(\n (\n rate(node_disk_bytes_written{instance=~\"($ceph_hosts)([\\\\\\\\.:].*)?\"}[$__rate_interval]) or\n rate(node_disk_written_bytes_total{instance=~\"($ceph_hosts)([\\\\\\\\.:].*)?\"}[$__rate_interval])\n ), \"instance\", \"$1\", \"instance\", \"([^:.]*).*\") * on(instance, device)\n group_left(ceph_daemon) label_replace(\n label_replace(ceph_disk_occupation_human{cluster=~\"$cluster\", }, \"device\", \"$1\", \"device\", \"/dev/(.*)\"),\n \"instance\", \"$1\", \"instance\", \"([^:.]*).*\"\n )\n", "format": "time_series", "intervalFactor": 1, "legendFormat": "{{device}}({{ceph_daemon}}) write", "refId": "A" }, { "expr": "label_replace(\n (\n rate(node_disk_bytes_read{instance=~\"($ceph_hosts)([\\\\\\\\.:].*)?\"}[$__rate_interval]) or\n rate(node_disk_read_bytes_total{instance=~\"($ceph_hosts)([\\\\\\\\.:].*)?\"}[$__rate_interval])\n ),\n \"instance\", \"$1\", \"instance\", \"([^:.]*).*\") * on(instance, device)\n group_left(ceph_daemon) label_replace(\n label_replace(ceph_disk_occupation_human{cluster=~\"$cluster\", }, \"device\", \"$1\", \"device\", \"/dev/(.*)\"),\n \"instance\", \"$1\", \"instance\", \"([^:.]*).*\"\n )\n", "format": "time_series", "intervalFactor": 1, "legendFormat": "{{device}}({{ceph_daemon}}) read", "refId": "B" } ], "thresholds": [ ], "timeFrom": null, "timeShift": null, "title": "$ceph_hosts Throughput by Disk", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "timeseries", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [ ] }, "yaxes": [ { "format": "Bps", "label": "Read (-) / Write (+)", "logBase": 1, "max": null, "min": null, "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ] }, { "aliasColors": { }, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$datasource", "description": "For OSD hosts, this chart shows the latency at the physical drive. 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