high io

I've been running Proxmox about 2 years now and I'm always struggling with high IO issues. Due to conficting information online I've tried a ton of different settings and although it has been better then it was it's still not great. So I thought I would write this post and ask for some help...

Hi, I have some issues with high IO delay. I have a mSATA 60Gb drive to store the base system I tried with two 2,5" barracuda compute 1Tb hard disk in mirror with ZFS (for VM, CT, backups, templates and isos) the last week and now (the pic) is only one barracuda compute to store VM and CT...

Hi, the autoscaler increased the number of PGs on our Ceph storage (Hardware like this but 5 nodes). As soon as the backfill starts the VMs become unusable and we startet killing OSD processes that cause high read io load. So as in this picture we would kill the ceph-osd process working on...