People should be aware that cache=writeback should only be used if you do not care about the very real possibility of guest disk corruption should the guest or host fail unexpectedly. Given that there is no facility for shutting down guests cleanly on host shutdown one should be very wary of risking their guest data for anything important.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/550409 Title: Slow disk IO for all guests with all disc modes and types. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
