This is a workaround until
https://bugzilla.redhat.com/show_bug.cgi?id=630583
is fixed (bug in Linux 2.6.36).
for f in /sys/block/vd*/queue/rotational; do echo 1 > $f; done
# http://kbase.redhat.com/faq/docs/DOC-5428
-for f in /sys/block/[hsv]d*/queue/scheduler; do echo noop > $f; done
+# Disabled this until https://bugzilla.redhat.com/show_bug.cgi?id=630583
+# is fixed (broken in Linux 2.6.36).
+#for f in /sys/block/[hsv]d*/queue/scheduler; do echo noop > $f; done
# These are useful when debugging.
if grep -sq guestfs_verbose=1 /proc/cmdline; then