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Check out https://pve.proxmox.com/wiki/PVE-zsync
I went hunting, and it's this:
So, not ZFS size in particular, just how it...
@wolfgang: Has there been a change? Previously there were problems booting from larger ZFS-mirrors
Consider a decent (small) SSD on each node for the journal. Otherwise your write performance will reaaally suck.
As it is, it's not going to be...
Did you install the firmware for it?
It's possible, and doable. Though a bit of a pain. :)
Read up on PCI-passthrough. Lots of posts here and in the wiki.
Bummer. What do you have set for the CPU hardware in the VM's settings? Make sure it matches your native system.
Might want to edit your post, or remove it if you can. Not a good model ... if you want to make a decent first impression here. :p
Sounds like Vyatta/VyOS. I remember needing to turn off hardware checksums for it to behave.
I ended up being lazy and moved to PFSense.
Run "qm list" & post its results?
Have you disabled hardware checksum offload on the VM?
Yes, if there are snapshots on one side, but not the other, it won't work.
Remove the snapshots on the source side, then it will work to the...
Does it exist both on the original and the destination servers?
@wolfgang - Turning off write-back did make a significant difference. Thank you.
If you go into the hardware settings for the virtual machine and edit the settings for the hard disk, you can choose a caching method.
Thanks @wolfgang. Yes, I do use write-back - I'd seen a few recommendations for it.
I'll turn it off on the next reboot cycle, and also hard code...
I wouldn't do RAID-Z, I'd set up mirrored vdevs, and stripe them.
As part of troubleshooting, I have zfs_arc_max currently set as either 25% or 50% of the system memory. zfs_arc_min is dynamic....
1) 128GB RAM - 32 allocated for ARC, 64 for virtual machines, 32 left free
2) Swapping is kept to a minimum on both host and...
Any suggestions @tom @wolfgang @fabian ?