Hi,
I don't have an explanation yet but some more information about your
cluster would be useful like 'ceph osd tree', 'ceph osd df', 'ceph
status' etc.
Thanks,
Eugen
Zitat von Stefan Pinter <stefan.pinter@xxxxxxxxxxxxxxxx>:
Hi! 😊
It would be very kind of you to help us with that!
We have pools in our ceph cluster that are set to replicated size 2
min_size 1.
Obviously we want to go to size 3 / min_size 2 but we experience
problems with that.
USED goes to 100% instantly and MAX AVAIL goes to 0. Write
operations seemed to stop.
POOLS:
NAME ID USED
%USED MAX AVAIL OBJECTS
Pool1 24 35791G 35.04
66339G 8927762
Pool2 25 11610G
14.89 66339G 3004740
Pool3 26 17557G
100.00 0 2666972
Before the change it was like this:
NAME
ID USED %USED MAX AVAIL OBJECTS
Pool1 24 35791G
35.04 66339G 8927762
Pool2 25 11610G 14.89
66339G 3004740
Pool3 26 17558G
20.93 66339G 2667013
This was quite surprising to us as we’d expect USED to go to
something like 30%.
Going back to 2/1 also gave us back the 20.93% usage instantly.
What’s the matter here?
Thank you and best regards
Stefan
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