[Miyakawa, Oshino, Yamamoto]

k1boot and the secondary DAQ servers were stopped for taking a backup of system disk.
They come back online now.

== Down time ==
k1boot: 9:41-10:42
k1nds1: 10:44-11:03
k1tw1: 10:46-11:04
k1fw1: 11:14-12:02