diff --git a/common.config b/common.config
index b3e82eb0..15f4e911 100644
--- a/common.config
+++ b/common.config
@@ -320,10 +320,10 @@ known_hosts()
 		EMAIL="ajones@sgi.com"
 		[ -z "$TEST_DIR" ] && TEST_DIR=/mnt/test
 		[ -z "$TEST_DEV" ] && TEST_DEV=/dev/sdb1
-	        [ -z "$TEST_LOGDEV" ] && TEST_LOGDEV=/dev/sdb3
+	        [ -z "$TEST_LOGDEV" ] && TEST_LOGDEV=/dev/ram0
 		[ -z "$SCRATCH_MNT" ] && SCRATCH_MNT=/mnt/scratch
 		[ -z "$SCRATCH_DEV" ] && SCRATCH_DEV=/dev/sdb2
-		[ -z "$SCRATCH_LOGDEV" ] && SCRATCH_LOGDEV=/dev/sdb4
+		[ -z "$SCRATCH_LOGDEV" ] && SCRATCH_LOGDEV=/dev/ram1
 		#[ -z "$SCRATCH_RTDEV" ] && SCRATCH_RTDEV=/dev/sdb5
 		[ -z "$TAPE_DEV" ] && TAPE_DEV=/dev/st0
 		;;