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Awesome, thanks! Didn't know that even though I googled a lot.

Sure. I created disk in proxmox. Then I did zfs destroy $disk; zfs create -o volsize=128K $disk;

Hi, I currently have issue with changing volsize. Now when I want to create disk it has default volsize, which is really not good for RAIDZ zpools(it wastes like 50% of space). I would really like to have ability to set it when creating disk. Now I have to create it and then delete it from...

Hello, I was trying to edit config file for vm100 /etc/pve/qemu-server/100.conf, but I am not able to write (running nano as root). How can I fix this? I am able to do it on another Proxmoxes...

Okay,I'm running virtuals on ZFS right now. Is there any way to send snapshot directly to storage server? I don't have space on proxmox for snapshotting all the VMs, so is there any way to make snapshot directly on storage server?

No, two of these proxmoxes are Debian 7 and one is Debian 8. I install plain debian and then install proxmox on it. VM OSes are too Debian 7 or 8's.

Hello, I have three proxmoxes and some virtuals in them are making some errors about ata: Oct 19 22:54:07 hsotname kernel: [3699830.334837] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen Oct 19 22:54:07 hsotname kernel: [3699830.417547] ata1.00: failed command: WRITE DMA Oct 19...

https://pve.proxmox.com/wiki/ZFS#Hardware " f you are experimenting with an installation of Proxmox inside a VM (Nested_Virtualization), don't use Virtio for disks of that VM, since are not supported by ZFS, use IDE or SCSI instead." Ah, I didn't read it all. It is just for Proxmox inside VM...

Hi, thanks for your reply, but I don't think we can use it, because we use Virtio on Windows servers (it should be faster than IDE).

Hello, no I didn't. What's that? I was using https://pve.proxmox.com/wiki/Migration_of_servers_to_Proxmox_VE article. I will try to do it another time with sysprep then and then will let you know.

Hello, I know, that u don't support differential backups, but I don't know better forum, where can I get an advice. We have many proxmox servers and many VMs in them, so we are not able to handle more than three full backups for VMs. I found a way to spare some place by using differential...

Hello, I migrated today Windows 7 to Proxmox VM. When Starting Windows appears, system shows BSOD and reboots. When I try safe mode, last drive that loads before crash is CLASS_PNP.sys. What can be the issue? I loaded mergeide.reg and now I try it with virtio insetad of IDE, so I hope it will work.

Hello, I have virtual, where are backups stored. I deleted all the backups and left only clean debian. It has 600GB disk and now it uses about 4GB. When I backup it, backup has about 220GB. Why is that backup so big? Does it backup even free space?

I'm restarting it when swap is full. Apps use swap instead of RAM, because RAM is cached.

It's caching even swap sspace and there is empty RAM space...It it really problem for us and we are restarting it everyday. We have controlling systems, which alert us when server doesn't have enough ram etc...So we are trying to stop it.

Hello, I have got some servers with Proxmox installed. One has 128GB RAM and when I run free, I can see, that there is all the time about 70GB of cached memory. I found script, which cleans cached memory. Is it safe to use it? Why is so much memory cached?

Thank you, awesome. :)

Hello, I would like to know, which errors can happen when backuping proxmox VMs. And I would like to know, how to simulate them. For example I don't know how to simulate locked VM for backup. I am making script to report backup errors to zabbix. Thank you for help!

Hello, I have problem migrating our Windows server to proxmox virtual. It has 1TB drive and about 900GB free space, but when I try to copy whole disk, it copies about 20MB/s or less and I have only 30 hours for maintenance on weekends to migrate it. Is there a way to copy only used data on disk?