Ceph » RADOS

Do the other masks (non-host) masks work for you?

I have the same problem in octopus. class masks work, as do crush root/room/rack masks, but host masks do not work:

[root@cephoctopus-1 ~]# ceph osd tree
ID   CLASS  WEIGHT   TYPE NAME                       STATUS  REWEIGHT  PRI-AFF
 -1         0.07794  root default                                             
 -5         0.07794      room 0000-0-0000                                     
 -4         0.07794          rack 0000                                        
 -3         0.01949              host cephoctopus-1                           
  0    hdd  0.01949                  osd.0               up   1.00000  1.00000
 -9         0.01949              host cephoctopus-2                           
  1    hdd  0.01949                  osd.1               up   1.00000  1.00000
-11         0.01949              host cephoctopus-3                           
  2    hdd  0.01949                  osd.2               up   1.00000  1.00000
-13         0.01949              host cephoctopus-4                           
  3    hdd  0.01949                  osd.3               up   1.00000  1.00000
[root@cephoctopus-1 ~]# ceph config set osd/root:default osd_max_backfills 2
[root@cephoctopus-1 ~]# ceph config dump
WHO       MASK          LEVEL     OPTION                                 VALUE      RO
  mon                   advanced  auth_allow_insecure_global_id_reclaim  false        
  mgr                   advanced  mgr/balancer/active                    false        
  mgr                   advanced  mgr/balancer/mode                      upmap        
  mgr                   advanced  mgr/progress/enabled                   false      * 
  osd     root:default  advanced  osd_max_backfills                      2            
  osd                   advanced  osd_max_pg_log_entries                 2            
  osd                   advanced  osd_min_pg_log_entries                 1            
  client                advanced  client_acl_type                        posix_acl  * 
  client                advanced  fuse_default_permissions               false      * 
[root@cephoctopus-1 ~]# ceph daemon osd.0 config get osd_max_backfills
{
    "osd_max_backfills": "2" 
}
[root@cephoctopus-1 ~]# ceph config rm osd/root:default osd_max_backfills
[root@cephoctopus-1 ~]# ceph daemon osd.0 config get osd_max_backfills
{
    "osd_max_backfills": "1" 
}
[root@cephoctopus-1 ~]# ceph config set osd/room:0000-0-0000 osd_max_backfills 2
[root@cephoctopus-1 ~]# ceph daemon osd.0 config get osd_max_backfills
{
    "osd_max_backfills": "2" 
}
[root@cephoctopus-1 ~]# ceph config rm osd/room:0000-0-0000 osd_max_backfills
[root@cephoctopus-1 ~]# ceph config set osd/rack:0000 osd_max_backfills 3
[root@cephoctopus-1 ~]# ceph daemon osd.0 config get osd_max_backfills
{
    "osd_max_backfills": "3" 
}
[root@cephoctopus-1 ~]# ceph config rm osd/rack:0000 osd_max_backfills
[root@cephoctopus-1 ~]# ceph config set osd/host:cephoctopus-1 osd_max_backfills 4  # doesn't work.
[root@cephoctopus-1 ~]# ceph daemon osd.0 config get osd_max_backfills
{
    "osd_max_backfills": "1" 
}