On Fri, August 21, 2009 10:32, Bob Friesenhahn wrote: > Various people have stated here that VirtualBox intentionally does not > pass through cache flush requests.
The current default value ignores flush requests from guest OSes, but this can't tweaked via a parameter (11.1.3 Responding to guest IDE flush requests): > If desired, the virtual disk images (VDI) can be flushed when the guest > issues the IDE FLUSH CACHE command. Normally these requests are ignored > for improved performance. To enable flushing, issue the following command: > > VBoxManage setextradata VMNAME > "VBoxInternal/Devices/piix3ide/0/LUN#[x]/Config/IgnoreFlush" 0 http://www.virtualbox.org/manual/UserManual.html#id2531504 _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
