Re: Understanding filesystem size

[Nicola Mori <mori@xxxxxxxxxx>]

I've been too impatient: after some minutes the autoscaler kicked in and 
now the situation is the following:

# ceph osd pool autoscale-status
POOL               SIZE  TARGET SIZE                RATE  RAW CAPACITY 
RATIO  TARGET RATIO  EFFECTIVE RATIO  BIAS  PG_NUM  NEW PG_NUM 
AUTOSCALE  BULK
.mgr             246.1M                              3.0        323.8T 
0.0000                                  1.0       1              on 
   False
wizard_metadata   1176M                              3.0        323.8T 
0.0000                                  4.0      16       16384  on 
   True
wizard_data      80443G               1.3333333730697632        323.8T 
0.3235                                  1.0    2048              on 
   True

So it seems that the data pool is increasing the number of PGs from 512 
to 2048 (currently there are 711 PG in total for the three pools).

I'll report back after the backfill operations finish.

Nicola

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