[pve-devel] implementation of a dhcp service in proxmox ?

[Dietmar Maurer]

> If this is the case you have solved the locking problem since sqlite is already
> present as part of pmxcfg which, I presume, also means that distribution of
> updates in lease files is solved;-)
> 

Here is a short intro on how locking works with the pve file system:

https://git.proxmox.com/?p=pve-cluster.git;a=blob;f=data/README;h=044f99ba06c7cc39ef9c5821bc21a5c7f90b652d;hb=HEAD#l339

One trick is that a lock has a timeout (only valid for 120 seconds).