Hi all,

I've been having an issue with the dashboard being unable to list block images. 
 In the mimic and luminous dashboards it would take a very long time to load, 
eventually telling me it was showing a cached list, and after a few auto 
refreshes it would finally show all rbd images and their properties.  In the 
nautilus dashboard however it just times out and never tries again, display 
'Could not load data. Please check the cluster health' - cluster however 
reports healthy.  Using the cli to retrieve information works, however it can 
be slow to calculate du for every image.

I know this isn't a problem with the dashboard itself but instead whatever 
mechanism its using under the hood to retrieve the information regarding the 
block images.  I'm not sure what component needs to be diagnosed here though.  
The cluster itself is performant, VMs running from the rbd images are 
performant.  I do have multiple rbd pools though, one on EC hdds for slow/large 
storage and another on replicated ssd for fast storage.  Is this an issue with 
having multiple rbd pools?  Or is this an issue with mon health?  I should 
mention that this is a relatively small cluster of just a couple nodes, single 
mon, single mds, 2 rgw, 13 osd - it's basically a lab and home storage.

Thanks,
Wes Cilldhaire
Sol1
(null)
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