Recent content by gz_jax

The mtu of the current pve server cluster is 1500 by default. We want to change the mtu of the pve cluster to 9000. We migrate the virtual machines one by one in the test environment to modify the mtu. The cluster and ceph are all normal, but in the production environment we found the node after...

We found the desired answer through the link you shared, thanks.

It ’s actually a misunderstanding, because it is found that the HDD disk is used, which is the case for random read performance

Thanks, we found the problem ourselves

Regarding the pve community version, each cluster has a limit of 32 nodes. I tried more than 32 nodes and they can also be added to use. If it is used in this way, will there be failures or restrictions?

Hello : I recently encountered a problem with random read iops when performing performance tests. The scene I built is: pve5.4 + ceph 12.2.12 3 hosts, each host 1ssd + 3hdd (ssd is used for db and wal, hdd is osd) KVM's disk will enable cache = write back mode, and select VirtIO SCSI single Zh...