Bug #57650
mon-stretch: reweighting an osd back to original causes uneven weights
Status:
In Progress
Priority:
Normal
Assignee:
Category:
Stretch Clusters
Target version:
-
% Done:
0%
Source:
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(RADOS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
Reweight an osd from 0.0900 to 0.7000
and then reweight back to 0.0900. Causes uneven weights between
two zones reported by root. Although, each zone says its correct weight.
According to root: zone iris is 11796 and zone pze is 11795.
{
"id": -1,
"name": "default",
"type_id": 11,
"type_name": "root",
"weight": 23591,
"alg": "straw2",
"hash": "rjenkins1",
"items": [
{
"id": -5,
"weight": 11796,
"pos": 0
},
{
"id": -7,
"weight": 11795,
"pos": 1
}
]
},
{
"id": -5,
"name": "iris",
"type_id": 9,
"type_name": "zone",
"weight": 11796,
"alg": "straw2",
"hash": "rjenkins1",
"items": [
{
"id": -9,
"weight": 5898,
"pos": 0
},
{
"id": -10,
"weight": 5898,
"pos": 1
}
]
},
{
"id": -7,
"name": "pze",
"type_id": 9,
"type_name": "zone",
"weight": 11796,
"alg": "straw2",
"hash": "rjenkins1",
"items": [
{
"id": -11,
"weight": 5898,
"pos": 0
},
{
"id": -12,
"weight": 5898,
"pos": 1
}
]
},
History
#1 Updated by Kamoltat (Junior) Sirivadhna 4 months ago
ceph osd tree:
ID CLASS WEIGHT TYPE NAME STATUS REWEIGHT PRI-AFF -1 0.35997 root default -5 0.17999 zone iris -9 0.09000 host node-2 0 hdd 0.09000 osd.0 up 1.00000 1.00000 -10 0.09000 host node-3 1 hdd 0.09000 osd.1 up 1.00000 1.00000 -7 0.17998 zone pze -11 0.09000 host node-4 2 hdd 0.09000 osd.2 up 1.00000 1.00000 -12 0.09000 host node-5 3 hdd 0.09000 osd.3 up 1.00000 1.00000
#2 Updated by Kamoltat (Junior) Sirivadhna 4 months ago
- Description updated (diff)
#3 Updated by Radoslaw Zarzynski 4 months ago
- Status changed from New to In Progress