cache=none

While benchmarking a Win10 VM in PVE 6.3-4 with CrystalDiskMark I got kernel panics (Out of Memory). This happend every time I tried the benchmark. Looking at htop it was surely a RAM memory related issue. I first thought it was an over-assigning problem with my memory to VM's or a ballooning...

Hello, I searched this forum and google but i cannot find the final aswer.. We have a Proxmox cluster with a remote Ceph Luminous cluster. I see i get muge faster writes with Cache=writeback in the disk options in Proxmox, (random 4k up to 16x faster and Seq 10x faster) then with cache=none...

Hello , I have installed Proxmox with ZFS RAID Z1. I have a doubt. In a KVM Virtio, always use VirtIO = Write Back. But doing tests, I see Default(no cache). It is much faster write speed. test: dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync cache: none = 1073741824...