wal

I need to do something about the horrible performance I get from the HDD pool on a production cluster. (I get around 500KB/s benchmark speeds!). As the disk usage has been increasing, so the performance has been dropping. I'm not sure why this is, since I have a test cluster, which higher...

Hi All, I’m setting up ceph cluster with 3x node pve 6.2. each node got following disks 7x 6TB 7200 Enterprise SAS HDD 2x 3TB Enterprise SAS SSD 2x 400GB Enterprise SATA SSD This setup previously used for old ceph (with filestore) cluster where it configured to use 2x 400GB SATA SSD to...

Preface: I have a hybrid Ceph environment using 16 SATA spinners and 2 Intel Optane NVMe PCIe cards (intended for DB and WAL). Because of enumeration issues on reboot, the NVMe cards can flip their /dev/{names}. This will cause a full cluster re balance if the /dev/{names} flip. The...

Hello all, I recently decided to use SSD in order to improve performance of my cluster. Here is my cluster setup 4 Nodes 36 HDD X 465 GB / node CPU(s) 8 x Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz (2 Sockets) /node RAM 128GB / node I wanted to move all my WAL DB to new SSD in order to improve...

We have a four node Proxmox cluster with all of the nodes also providing Ceph storage services. One of the nodes is having issues with the SSD that we are using for the journal / WAL drives (this is 5.1 / bluestore). We use a command like: pveceph createosd /dev/sdc --journal_dev /dev/sdr...