[PVE-User] confirmation on osd replacement

mj lists at merit.unu.edu
Thu Nov 26 08:54:10 CET 2020


Yes, perhaps I should have given more details :-)

On 11/25/20 3:03 PM, Alejandro Bonilla wrote:

> Have a look at /etc/fstab for any disk path mounts - since I think Proxmox uses lvm mostly, you shouldn’t see a problem.
I will, thanks!

> What is the pool replication configuration or ec-profile? How many nodes in the cluster?
We're 3/2 replication, no ec. It's a three-node (small) cluster, 8 
filestore OSDs per node, with an SSD journal (wear evel 75%)

We will be using samsung PM833 bluestore of the same size
(4TB spinners to 3.83GB PM833 SSDs)

> Are you planning to remove all disks per server at once or disk by disk?
I was planning to:
- first add two SSDs to each server, and gradually increase their weight
- then, disk-by-disk, replace the 8 (old) spinners with the 6 remaining SSDs

> Will all new drives equal or increase the disk capacity of the cluster?
Approx equal yes.
The aim in not to increase space.


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