Hi.
Now it's the time that I need your help.
I bought some fast SSDs and added them to 2 (kong & godzilla) of my 3
Proxmox servers. The servers are now populated with mixed drives - both
SSDs and spinning.
My plan was to add a new ruleset to the crush map to have both the new,
fast SSDs as a Ceph pool and to keep the old spinning Ceph pool.
So my crush map looks like that:
> host kong {
> id -5 # do not change unnecessarily
> # weight 12.710
> alg straw2
> hash 0 # rjenkins1
> item osd.8 weight 3.630
> item osd.9 weight 3.630
> item osd.10 weight 3.630
> item osd.11 weight 1.820
> }
> rack lan3 {
> id -11 # do not change unnecessarily
> # weight 12.710
> alg straw2
> hash 0 # rjenkins1
> item kong weight 12.710
> }
> room dc3 {
> id -12 # do not change unnecessarily
> # weight 12.710
> alg straw2
> hash 0 # rjenkins1
> item lan3 weight 12.710
> }
> host king {
> id -6 # do not change unnecessarily
> # weight 16.350
> alg straw2
> hash 0 # rjenkins1
> item osd.14 weight 3.630
> item osd.15 weight 3.630
> item osd.16 weight 3.630
> item osd.17 weight 1.820
> item osd.18 weight 1.820
> item osd.19 weight 1.820
> }
> rack lan6 {
> id -8 # do not change unnecessarily
> # weight 16.350
> alg straw2
> hash 0 # rjenkins1
> item king weight 16.350
> }
> room dc6 {
> id -10 # do not change unnecessarily
> # weight 16.350
> alg straw2
> hash 0 # rjenkins1
> item lan6 weight 16.350
> }
> root ecologic {
> id -1 # do not change unnecessarily
> # weight 29.060
> alg straw2
> hash 0 # rjenkins1
> item dc3 weight 12.710
> item dc6 weight 16.350
> }
> rule replicated_ruleset {
> ruleset 0
> type replicated
> min_size 1
> max_size 10
> step take ecologic
> step chooseleaf firstn 0 type room
> step emit
> }
>
>
> ###
> ### SSD POOL
> ###
>
>
> host kong_ssd {
> id -13 # do not change unnecessarily
> # weight 2.400
> alg straw2
> hash 0 # rjenkins1
> item osd.3 weight 0.800
> item osd.4 weight 0.800
> item osd.5 weight 0.800
> }
> rack lan3_ssd {
> id -14 # do not change unnecessarily
> # weight 2.400
> alg straw2
> hash 0 # rjenkins1
> item kong_ssd weight 2.400
> }
> room dc3_ssd {
> id -15 # do not change unnecessarily
> # weight 2.400
> alg straw2
> hash 0 # rjenkins1
> item lan3_ssd weight 2.400
> }
> host godzilla_ssd {
> id -16 # do not change unnecessarily
> # weight 2.400
> alg straw2
> hash 0 # rjenkins1
> item osd.0 weight 0.800
> item osd.1 weight 0.800
> item osd.2 weight 0.800
> }
> rack lan6_ssd {
> id -17 # do not change unnecessarily
> # weight 2.400
> alg straw2
> hash 0 # rjenkins1
> item godzilla_ssd weight 2.400
> }
> room dc6_ssd {
> id -18 # do not change unnecessarily
> # weight 2.400
> alg straw2
> hash 0 # rjenkins1
> item lan6_ssd weight 2.400
> }
> root ecologic_ssd {
> id -19 # do not change unnecessarily
> # weight 4.800
> alg straw2
> hash 0 # rjenkins1
> item dc3_ssd weight 2.400
> item dc6_ssd weight 2.400
> }
> rule replicated_ruleset_ssd {
> ruleset 1
> type replicated
> min_size 1
> max_size 10
> step take ecologic_ssd
> step chooseleaf firstn 0 type room
> step emit
> }
>
>
> # end crush map
But unfortunately this doesn't seem to work combined with Proxmox.
First, Proxmox did not know the hostnames when I was trying to start the
new OSDs. So I added the <hostname>_ssd to the /etc/hosts.
After that I get a "Connection error 596: ssl3_get_server_certificate:
certificate verify failed" when trying to start the OSDs in the GUI.
How can I archive the mixed harddrive/pool setup with Proxmox?
Best regards
Karsten
Ecologic Institut gemeinnuetzige GmbH
Pfalzburger Str. 43/44, D-10717 Berlin
Geschaeftsfuehrerin / Director: Dr. Camilla Bausch
Sitz der Gesellschaft / Registered Office: Berlin (Germany)
Registergericht / Court of Registration: Amtsgericht Berlin (Charlottenburg),
HRB 57947
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