sysupgrade を使って NetBSD 6.1.4 を 6.1.5 に更新する。
前回 と違ってマイナーアップデートだからすんなりできた。

$ sudo sysupgrade auto ftp://ftp.NetBSD.org/pub/NetBSD/NetBSD-6.1.5/$(uname -m)
sysupgrade: I: Starting auto-update with stages: fetch modules kernel sets etcupdate postinstall clean
sysupgrade: I: Downloading ftp://ftp.NetBSD.org/pub/NetBSD/NetBSD-6.1.5/i386/binary/sets/base.tgz into /var/cache/sysupgrade
Trying 2001:470:1f05:3d::21:21 ...
ftp: Can't connect to `2001:470:1f05:3d::21:21': No route to host
Trying 199.233.217.249:21 ...
Connected to ftp.NetBSD.org.
220 ftp.NetBSD.org FTP server (NetBSD-ftpd 20100320) ready.
(略)
local: /var/cache/sysupgrade/netbsd-GENERIC.gz.tmp remote: netbsd-GENERIC.gz
229 Entering Extended Passive Mode (|||53527|)
150 Opening BINARY mode data connection for 'netbsd-GENERIC.gz' (5911061 bytes).
100% |***********************************|  5772 KiB  216.85 KiB/s    00:00 ETA
226 Transfer complete.
5911061 bytes received in 00:26 (216.84 KiB/s)
221-
    Data traffic for this session was 5911061 bytes in 1 file.
    Total traffic for this session was 5915695 bytes in 1 transfer.
221 Thank you for using the FTP service on ftp.NetBSD.org.
sysupgrade: I: Upgrading kernel modules
sysupgrade: I: Extracting modules into /
100% |***********************************|  5890 KiB  739.47 KiB/s    00:00 ETA
sysupgrade: I: Upgrading kernel using GENERIC in /
sysupgrade: I: Backing up 'netbsd' kernel as 'onetbsd'
sysupgrade: I: Upgrading base system
(略)
(etcupdateの実施)
(略)
postinstall checks failed:
sysupgrade: I: Cleaning downloaded files