_require_scratch
-# need 64M space, don't make any assumption
+# need 128M space, don't make any assumption
_scratch_mkfs >/dev/null 2>&1
_scratch_mount
-_require_fs_space $SCRATCH_MNT 65536
+_require_fs_space $SCRATCH_MNT 131072
_scratch_unmount
rm -f $seqres.full
-_scratch_mkfs_sized $((16 * 1024 * 1024)) > $tmp.mkfs.raw
+_scratch_mkfs_sized $((32 * 1024 * 1024)) > $tmp.mkfs.raw
cat $tmp.mkfs.raw | _filter_mkfs >$seqres.full 2>$tmp.mkfs
# get original data blocks number and agcount
. $tmp.mkfs