Please help me with some advice. In my test scheme with three data centers, I need to create an Erasure Code pool for cold data.
I used the documentation
https://pve.proxmox.com/pve-docs/chapter-pveceph.html#pve_ceph_ec_pools
My chosen k=6,m=3 (I also tried from the documentation k=4,m=2) in...
Hi,
I have 2 SSD per node. and I have 6 Nodes. which makes its 12 SSD
now what will give me a good capacity and resilience against failures.
I am confused between choosing -
EC21 --- i.e K=2, M=1 - 66% Capacity
EC42 --- i.e K=4, M=2 - 66% Capacity
EC32 --- i.e K=3, M=2 - 60%...
We initially tried this with Ceph 12.2.4 and subsequently re-created the problem with 12.2.5.
Using 'lz4' compression on a Ceph Luminous erasure coded pool causes OSD processes to crash. Changing the compressor to snappy results in the OSD being stable, when the crashed OSD starts thereafter...
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