On 9 October 2011 16:01, Alexander Graf <ag...@suse.de> wrote: > cache=writeback survives host crashes. The only reason writethrough > is the default is Windows XP which doesn't issue flushes properly, > so there cache=writeback can lead to data loss. Linux guests are fine.
I thought that only applied to disks attached via protocols (IDE, SCSI) that supported a flush command? SD cards don't, so no guest issues flushes. -- PMM