On 05/20/10 14:30, Anthony Liguori wrote: > On 05/20/2010 04:32 AM, jes.soren...@redhat.com wrote: >> Therefore, here is a patch that does two things: >> - default to "nocache" >> - in case of failure with nocache, retry with "write-back" >> > > This sort of change requires performance data in a variety of > circumstances to justify. > > And I strongly suspect that such a blanket change would be wrong but > that a more targeted change like making cache=none default for physical > devices would satisfy mostly everyone.
Is there any other thing than physical devices attached to the -drive parameter? If so, I can take a look at making it more generic when I am back from holiday next week. Jes
