[PVE-User] Web interface issues with latest PVE

2020-04-03 Thread System Administrator via pve-user
--- Begin Message --- Hello, I have installed the latest Proxmox VE 6.1-2 and when modifying  network information from web, the prefix (netmask) is slashed off from old interface config irrespective of whether I specify CIDR or not. And then, I cannot create cluster from web GUI with link0

Re: [PVE-User] Need some advice on pve writeback caching

2020-04-03 Thread Alwin Antreich
On Fri, Apr 03, 2020 at 12:54:36PM +0200, Rainer Krienke wrote: > Hello Alwin, > > thanks for you very much answer. > > Regarding LVM: > I initially thought the cache size is 25MB for each RBD device. So a LVM > based on in my case 4 RBD devices could loose 100MB. This would have > been a

Re: [PVE-User] Need some advice on pve writeback caching

2020-04-03 Thread Rainer Krienke
Hello Alwin, thanks for you very much answer. Regarding LVM: I initially thought the cache size is 25MB for each RBD device. So a LVM based on in my case 4 RBD devices could loose 100MB. This would have been a difference. But after reading the docu again it seems that this cache is for all rbds

Re: [PVE-User] Need some advice on pve writeback caching

2020-04-03 Thread Alwin Antreich
Hello Rainer, On Fri, Apr 03, 2020 at 10:00:58AM +0200, Rainer Krienke wrote: > Hello, > > I played around with rbd caching by activating "Writeback" mode in > proxmox6. This really helps for write performance so I would like to use > it but the documenattion says that a possible danger is a

[PVE-User] Need some advice on pve writeback caching

2020-04-03 Thread Rainer Krienke
Hello, I played around with rbd caching by activating "Writeback" mode in proxmox6. This really helps for write performance so I would like to use it but the documenattion says that a possible danger is a power outage. Now I have a battery backup but you never know if the outage is just a minute