Could it because all the osds in it are set reweight =0?

-7        5.45695 host ceph-osd3

 26   hdd  1.81898     osd.26                       down        0 1.00000

 27   hdd  1.81898     osd.27                       down        0 1.00000

 30   hdd  1.81898     osd.30                       down        0 1.00000




Best,

Feng


On Wed, Jun 19, 2019 at 11:36 AM Pelletier, Robert <[email protected]>
wrote:

> Here is a fuller picture. I inherited this ceph cluster from a previous
> admin whom has left the company. Although I am a linux administrator, I
> have very little experience with ceph and have had to learn; definitely
> still a lot to learn. I do know this crush map was made manually. To me it
> does not look right and would like to reorganize it, but I am concerned
> about what effects that would have with a cluster that has data on it.
>
>
>
> I would like to remove both of the osd3-shelf1 and osd3-shelf2 chassis
> buckets and move them to host ceph-osd3 (I don’t see a need from separate
> buckets here). The “chassis” are actually two SAS disk shelves connected to
> ceph-osd3 host.
>
>
>
> However, just moving one osd causes ceph to go unhealthy with
> OBJECT_MISPLACED messages and takes a while to go back into a healthy
> state. I am not too sure this is a big concern, but I am wondering if there
> is a recommended procedure for doing this. As I am just learning, I don’t
> want to do anything that will cause data loss.
>
>
>
>
>
>
>
>
>
> My Tree is supposed to look like below but it keeps changing to the map 
> further
> below. Notice the drives moving from chassis osd3-shelf1 chassis to host
> ceph-osd3. Does anyone know why this may happen?
>
>
>
> I wrote a script to monitor for this and to place the osds back where they
> belong if they notice the change, but this should obviously not be
> necessary. I would appreciate any help with this.
>
>
>
>
>
>
>
> ID  CLASS WEIGHT   TYPE NAME                      STATUS REWEIGHT PRI-AFF
>
> -62       14.55199 root osd3-shelf2
>
> -60       14.55199     chassis ceph-osd3-shelf2
>
>   3   hdd  1.81898         osd.3                    down  1.00000 1.00000
>
>  40   hdd  1.81898         osd.40                   down  1.00000 1.00000
>
>  41   hdd  1.81898         osd.41                   down  1.00000 1.00000
>
>  42   hdd  1.81898         osd.42                   down  1.00000 1.00000
>
>  43   hdd  1.81898         osd.43                   down  1.00000 1.00000
>
>  44   hdd  1.81898         osd.44                   down  1.00000 1.00000
>
>  45   hdd  1.81898         osd.45                   down  1.00000 1.00000
>
>  46   hdd  1.81898         osd.46                   down  1.00000 1.00000
>
> -58        1.71599 root osd3-internal
>
> -54        1.71599     chassis ceph-osd3-internal
>
>  34   hdd  0.42899         osd.34                   down  1.00000 1.00000
>
>  35   hdd  0.42899         osd.35                   down  1.00000 1.00000
>
>  36   hdd  0.42899         osd.36                   down  1.00000 1.00000
>
>  37   hdd  0.42899         osd.37                   down  1.00000 1.00000
>
> -50       14.55199 root osd3-shelf1
>
> -56       14.55199     chassis ceph-osd3-shelf1
>
>  21   hdd  1.81898         osd.21                   down  1.00000 1.00000
>
>  22   hdd  1.81898         osd.22                   down  1.00000 1.00000
>
>  23   hdd  1.81898         osd.23                   down  1.00000 1.00000
>
>  24   hdd  1.81898         osd.24                   down  1.00000 1.00000
>
>  25   hdd  1.81898         osd.25                   down  1.00000 1.00000
>
>  28   hdd  1.81898         osd.28                   down  1.00000 1.00000
>
>  29   hdd  1.81898         osd.29                   down  1.00000 1.00000
>
>  31   hdd  1.81898         osd.31                   down  1.00000 1.00000
>
>  -7        5.45695 host ceph-osd3
>
>  26   hdd  1.81898     osd.26                       down        0 1.00000
>
>  27   hdd  1.81898     osd.27                       down        0 1.00000
>
>  30   hdd  1.81898     osd.30                       down        0 1.00000
>
>  -1       47.21199 root default
>
> -40       23.59000     rack mainehall
>
>  -3       23.59000         host ceph-osd1
>
>   0   hdd  1.81898             osd.0                  up  1.00000 1.00000
>
>   1   hdd  1.81898             osd.1                  up  1.00000 1.00000
>
>   2   hdd  1.81898             osd.2                  up  1.00000 1.00000
>
>   4   hdd  1.81898             osd.4                  up  1.00000 1.00000
>
>   5   hdd  1.81898             osd.5                  up  0.90002 1.00000
>
>   6   hdd  1.81898             osd.6                  up  1.00000 1.00000
>
>   7   hdd  1.81898             osd.7                  up  1.00000 1.00000
>
>   8   hdd  1.81898             osd.8                  up  1.00000 1.00000
>
>   9   hdd  1.81898             osd.9                  up  1.00000 1.00000
>
>  10   hdd  1.81898             osd.10                 up  0.95001 1.00000
>
>  33   hdd  1.76099             osd.33                 up  1.00000 1.00000
>
>  38   hdd  3.63899             osd.38                 up  1.00000 1.00000
>
> -42       23.62199     rack rangleyhall
>
>  -5       23.62199         host ceph-osd2
>
>  11   hdd  1.81898             osd.11                 up  1.00000 1.00000
>
>  12   hdd  1.81898             osd.12                 up  0.90002 1.00000
>
>  13   hdd  1.81898             osd.13                 up  1.00000 1.00000
>
>  14   hdd  1.81898             osd.14                 up  1.00000 1.00000
>
>  15   hdd  1.81898             osd.15                 up  1.00000 1.00000
>
>  16   hdd  1.81898             osd.16                 up  1.00000 1.00000
>
>  17   hdd  1.81898             osd.17                 up  1.00000 1.00000
>
>  18   hdd  1.81898             osd.18                 up  0.90002 1.00000
>
>  19   hdd  1.81898             osd.19                 up  1.00000 1.00000
>
>  20   hdd  1.81898             osd.20                 up  1.00000 1.00000
>
>  32   hdd  1.79300             osd.32                 up  0.95001 1.00000
>
>  39   hdd  3.63899             osd.39                 up  1.00000 1.00000
>
>
>
>
>
> But it keeps changing to this:
>
> ID  CLASS WEIGHT   TYPE NAME                      STATUS REWEIGHT PRI-AFF
>
> -62       14.55199 root osd3-shelf2
>
> -60       14.55199     chassis ceph-osd3-shelf2
>
>   3   hdd  1.81898         osd.3                    down  1.00000 1.00000
>
>  40   hdd  1.81898         osd.40                   down  1.00000 1.00000
>
>  41   hdd  1.81898         osd.41                   down  1.00000 1.00000
>
>  42   hdd  1.81898         osd.42                   down  1.00000 1.00000
>
>  43   hdd  1.81898         osd.43                   down  1.00000 1.00000
>
>  44   hdd  1.81898         osd.44                   down  1.00000 1.00000
>
>  45   hdd  1.81898         osd.45                   down  1.00000 1.00000
>
>  46   hdd  1.81898         osd.46                   down  1.00000 1.00000
>
> -58        1.71599 root osd3-internal
>
> -54        1.71599     chassis ceph-osd3-internal
>
>  34   hdd  0.42899         osd.34                   down  1.00000 1.00000
>
>  35   hdd  0.42899         osd.35                   down  1.00000 1.00000
>
>  36   hdd  0.42899         osd.36                   down  1.00000 1.00000
>
>  37   hdd  0.42899         osd.37                   down  1.00000 1.00000
>
> -50       14.55199 root osd3-shelf1
>
> -56       14.55199     chassis ceph-osd3-shelf1
>
>  21   hdd  1.81898         osd.21                   down  1.00000 1.00000
>
>  22   hdd  1.81898         osd.22                   down  1.00000 1.00000
>
>  23   hdd  1.81898         osd.23                   down  1.00000 1.00000
>
>  24   hdd  1.81898         osd.24                   down  1.00000 1.00000
>
>  25   hdd  1.81898         osd.25                   down  1.00000 1.00000
>
> -7        5.45695 host ceph-osd3
>
>  26   hdd  1.81898     osd.26                       down        0 1.00000
>
>  27   hdd  1.81898     osd.27                       down        0 1.00000
>
> 30   hdd  1.81898     osd.30                       down        0 1.00000
>
> 28   hdd  1.81898         osd.28                   down  1.00000 1.00000
>
> 29   hdd  1.81898         osd.29                   down  1.00000 1.00000
>
> 31   hdd  1.81898         osd.31                   down  1.00000 1.00000
>
>
>
> -1       47.21199 root default
>
> -40       23.59000     rack mainehall
>
>  -3       23.59000         host ceph-osd1
>
>   0   hdd  1.81898             osd.0                  up  1.00000 1.00000
>
>   1   hdd  1.81898             osd.1                  up  1.00000 1.00000
>
>   2   hdd  1.81898             osd.2                  up  1.00000 1.00000
>
>   4   hdd  1.81898             osd.4                  up  1.00000 1.00000
>
>   5   hdd  1.81898             osd.5                  up  0.90002 1.00000
>
>   6   hdd  1.81898             osd.6                  up  1.00000 1.00000
>
>   7   hdd  1.81898             osd.7                  up  1.00000 1.00000
>
>   8   hdd  1.81898             osd.8                  up  1.00000 1.00000
>
>   9   hdd  1.81898             osd.9                  up  1.00000 1.00000
>
>  10   hdd  1.81898             osd.10                 up  0.95001 1.00000
>
>  33   hdd  1.76099             osd.33                 up  1.00000 1.00000
>
>  38   hdd  3.63899             osd.38                 up  1.00000 1.00000
>
> -42       23.62199     rack rangleyhall
>
>  -5       23.62199         host ceph-osd2
>
>  11   hdd  1.81898             osd.11                 up  1.00000 1.00000
>
>  12   hdd  1.81898             osd.12                 up  0.90002 1.00000
>
>  13   hdd  1.81898             osd.13                 up  1.00000 1.00000
>
>  14   hdd  1.81898             osd.14                 up  1.00000 1.00000
>
>  15   hdd  1.81898             osd.15                 up  1.00000 1.00000
>
>  16   hdd  1.81898             osd.16                 up  1.00000 1.00000
>
>  17   hdd  1.81898             osd.17                 up  1.00000 1.00000
>
>  18   hdd  1.81898             osd.18                 up  0.90002 1.00000
>
>  19   hdd  1.81898             osd.19                 up  1.00000 1.00000
>
>  20   hdd  1.81898             osd.20                 up  1.00000 1.00000
>
>  32   hdd  1.79300             osd.32                 up  0.95001 1.00000
>
>  39   hdd  3.63899             osd.39                 up  1.00000 1.00000
>
> *Robert Pelletier, IT and Security Specialist*
>
> Eastern Maine Community College
> (207) 974-4782 | 354 Hogan Rd., Bangor, ME 04401
>
>
>
>
> _______________________________________________
> ceph-users mailing list
> [email protected]
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
_______________________________________________
ceph-users mailing list
[email protected]
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

Reply via email to