> >>I wonder it is would be safe to call an external script to create the > >>snapshot > there? > >>Or is there still some data in the qemu block driver cache, or the host > cache? > yes, I think taking snapshot don't flush datas. > rbd devs said me that we need to freeze the filesystem with qemu-ga if we > want to be sure that's all is fine. > (Or filesystem will do a fsck at start to correct the missing data with his > journal). > > But if we save the state, that's not a problem, as the vm will save the > missings data in the memory and will flush them when the vm will reload the > state.
No, I meant a different issue. What if data is on the host/network cache? But I guess we can assume that an fsync on the iscsi connection makes sure that all data is written? _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel