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$ osdmaptool --createsimple 3 om --with-default-pool
osdmaptool: osdmap file 'om'
osdmaptool: writing epoch 1 to om
$ osdmaptool --tree=plain om
osdmaptool: osdmap file 'om'
ID CLASS WEIGHT TYPE NAME STATUS REWEIGHT PRI-AFF
-1 3.00000 root default
-3 3.00000 rack localrack
-2 3.00000 host localhost
0 1.00000 osd.0 DNE 0
1 1.00000 osd.1 DNE 0
2 1.00000 osd.2 DNE 0
$ osdmaptool --tree=json-pretty om
osdmaptool: osdmap file 'om'
{
"nodes": [
{
"id": -1,
"name": "default",
"type": "root",
"type_id": 11,
"children": [
-3
]
},
{
"id": -3,
"name": "localrack",
"type": "rack",
"type_id": 3,
"pool_weights": {},
"children": [
-2
]
},
{
"id": -2,
"name": "localhost",
"type": "host",
"type_id": 1,
"pool_weights": {},
"children": [
2,
1,
0
]
},
{
"id": 0,
"name": "osd.0",
"type": "osd",
"type_id": 0,
"crush_weight": 1,
"depth": 3,
"pool_weights": {},
"exists": 0,
"status": "down",
"reweight": 0,
"primary_affinity": 1
},
{
"id": 1,
"name": "osd.1",
"type": "osd",
"type_id": 0,
"crush_weight": 1,
"depth": 3,
"pool_weights": {},
"exists": 0,
"status": "down",
"reweight": 0,
"primary_affinity": 1
},
{
"id": 2,
"name": "osd.2",
"type": "osd",
"type_id": 0,
"crush_weight": 1,
"depth": 3,
"pool_weights": {},
"exists": 0,
"status": "down",
"reweight": 0,
"primary_affinity": 1
}
],
"stray": []
}
$ rm -f om
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