Re: [pve-devel] qemu 7.0 : fleecing backup (aka: local temp write cache"

2022-07-31 Thread DERUMIER, Alexandre
Le 31/07/22 à 19:47, Laurent GUERBY a écrit : On Sun, 2022-07-31 at 16:49 +, DERUMIER, Alexandre wrote: Le 31/07/22 à 18:19, Dietmar Maurer a écrit : This is really a blocker for me,I can't use pbs because I'm using nvme is production, and a 7200k hdd backup in a remote 200km site with 5ms

Re: [pve-devel] qemu 7.0 : fleecing backup (aka: local temp write cache"

2022-07-31 Thread Laurent GUERBY
On Sun, 2022-07-31 at 16:49 +, DERUMIER, Alexandre wrote: > Le 31/07/22 à 18:19, Dietmar Maurer a écrit : > > > This is really a blocker for me,I can't use pbs because I'm using > > > nvme > > > is production, and a 7200k hdd backup in a remote 200km site with > > > 5ms > > > latency. > > > >

Re: [pve-devel] qemu 7.0 : fleecing backup (aka: local temp write cache"

2022-07-31 Thread DERUMIER, Alexandre
Le 31/07/22 à 18:19, Dietmar Maurer a écrit : >> This is really a blocker for me,I can't use pbs because I'm using nvme >> is production, and a 7200k hdd backup in a remote 200km site with 5ms >> latency. > Why don't you use a local(fast) PBS instance, then sync to the slow remote? > Hi Dietmar. C

Re: [pve-devel] qemu 7.0 : fleecing backup (aka: local temp write cache"

2022-07-31 Thread Dietmar Maurer
> This is really a blocker for me,I can't use pbs because I'm using nvme > is production, and a 7200k hdd backup in a remote 200km site with 5ms > latency. Why don't you use a local(fast) PBS instance, then sync to the slow remote? ___ pve-devel mail

[pve-devel] qemu 7.0 : fleecing backup (aka: local temp write cache"

2022-07-31 Thread DERUMIER, Alexandre
Hi, Currently, proxmox backup are using copy-before-write to have snapshot backup. This works great until you have a slow  or remote storage with higher latencies than the vm storage. This can slowdown a lot the vm is a lot of writes occur when backup is running. (or even can hang the vm if b