cache=none
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A
ZFS and Disk Caching
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...- Amadea
- Thread
- cache=directsync cache=none cache=writeback disk cache zfs
- Replies: 0
- Forum: Proxmox VE: Installation and configuration
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S
Proxmox external Ceph Disk Cache remommendation
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...- sander93
- Thread
- cache cache=none cache=writeback ceph rbd
- Replies: 1
- Forum: Proxmox VE: Installation and configuration
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cache=none or cache=Write Back.
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...- fusion
- Thread
- cache=none write back zfs
- Replies: 6
- Forum: Proxmox VE: Installation and configuration