How to Add new OSD to ceph pool

[NicolasCeph]

Hello,

I have a proxmox cluster with 3 nodes.

I have create a ceph storage with 1 OSD per node and i have crete a pool.

I have try upgrade the capacity of my pool, i have add 1 HDD per node, and i have had 1 OSD per node.

Finaly i have 2 OSD per node, but the capcity of my pool have not increases

Do you have a solution ?
Best regards.

 

[Alwin]

How does your 'ceph df' and 'ceph osd df tree' look like?

 

[NicolasCeph]

Hello:

root@pve:~# ceph df
GLOBAL:
SIZE AVAIL RAW USED %RAW USED
5399G 5390G 8937M 0.16
POOLS:
NAME ID USED %USED MAX AVAIL OBJECTS
pool1 1 855M 0.05 1706G 265




root@pve:~# ceph osd df tree
ID CLASS WEIGHT REWEIGHT SIZE USE AVAIL %USE VAR PGS TYPE NAME
-1 5.27280 - 5399G 8936M 5390G 0.16 1.00 - root default
-3 1.75760 - 1799G 2979M 1796G 0.16 1.00 - host pve
0 hdd 0.87880 1.00000 899G 1451M 898G 0.16 0.97 30 osd.0
3 hdd 0.87880 1.00000 899G 1528M 898G 0.17 1.03 34 osd.3
-5 1.75760 - 1799G 2978M 1796G 0.16 1.00 - host pve2
1 hdd 0.87880 1.00000 899G 1543M 898G 0.17 1.04 35 osd.1
4 hdd 0.87880 1.00000 899G 1435M 898G 0.16 0.96 29 osd.4
-7 1.75760 - 1799G 2978M 1796G 0.16 1.00 - host pve3
2 hdd 0.87880 1.00000 899G 1405M 898G 0.15 0.94 27 osd.2
5 hdd 0.87880 1.00000 899G 1573M 898G 0.17 1.06 37 osd.5
TOTAL 5399G 8936M 5390G 0.16
MIN/MAX VAR: 0.94/1.06 STDDEV: 0.01


I have upload screenshot of my OSD

Regards

 

[Alwin]

Your pool size has doubled. From 899GB to 1.7TB.