hp-ux system backup (WITHOUT Mirror/UX License)

1. Insert Backup Disk into server slot 2.
2. Check if server can detect new disk.
server # ioscan -fnC disk
Class     I  H/W Path      Driver S/W State   H/W Type     Description
======================================================================
disk      0  0/0/1/1.15.0  sdisk CLAIMED     DEVICE       HP 18.2GMAN3184MC
                          /dev/dsk/c1t15d0   /dev/rdsk/c1t15d0
disk      0  0/0/1/3.15.0  sdisk CLAIMED     DEVICE       HP 18.2GMAN3184MC
                          /dev/dsk/c3t15d0   /dev/rdsk/c3t15d0

3. c1t15d0 is system disk, c3t15d0 is backup disk.
4. Start to duplicate disk...
#dd if=/dev/rdsk/c1t15d0 of=/dev/rdsk/c3t15d0 bs=1024k
5. When finished, back to prompt,
6. Unplug Backup Disk from server slot 2, and then insert this backup disk into backup-server slot1.
7. Do not connect LAN.
8. Power on backup-server
9. Make sure primaty boot order is 0/0/1/1.15.0
10. Boot from Backup Disk.
11. When boot into hp-ux finished, login by root
12. Stop platform first.
#p7stop -s
13. Make sure this backup-server is date/time correct, if not correct, please correct it first.
14. You can correct time/date by connect backup-server onto lan, and using NTP server. But please change ip first.
15. HP-UX How to Change IP

# ioscan -fnC lan

Class     I  H/W Path       Driver   S/W State   H/W Type     Description
==========================================================================
lan       0  0/0/0/1/0      btlan    CLAIMED     INTERFACE    HP PCI 10/100Base-TX Core
                           /dev/diag/lan0  /dev/ether0     /dev/lan0


15.1. 若看不到卡，請使用 ioscan 判斷是否有網路卡但需要驅動程式或未正確驅動 (UNCLAIMED)。
# ioscan -fn

15.2. 檢視有綁定 IP 位址的卡片資訊。
server # netstat -in
Name           Mtu Network            Address                 Ipkts      Opkts
lan0          1500 140.133.26.0       140.133.26.13          719753     724185
lo0           4136 127.0.0.0          127.0.0.1               24396      24396

15.3. 針對每一個介面執行 ifconfig，確認正確的 IP、網路遮罩和廣播位址。例如：
server # ifconfig lan0
lan0: flags=843<UP,BROADCAST,RUNNING,MULTICAST>
        inet 140.133.26.13 netmask ffffff00 broadcast 140.133.26.255

15.4. 設定IP(永久性的)
要永久性的設定IP，請透過sam(System Admin Manager)來設定，
使用sam設定IP，之後即使重開機，網路設定仍會被記住。
sam->network and communication -> interface card

如果知道自己在做什麼，也可以考慮直接編輯網路的設定檔，例如：
# vi /etc/rc.config.d/netconf
# /sbin/init.d/net start

15.5. 設定IP(非永久性的加IP，重開機後設定即消失)，給他一個temporary IP (140.133.26.20)
# ifconfig lan0 140.133.26.20 netmask 255.255.255.0 up

15.6. Ping CHT-I NTP server 140.133.31.126

16. HP-UX NTP設定, make sure backup-server is date/time the same with lan.
16.1. 編輯設定檔 /etc/ntp.conf ，加入CHT-I ntp server為ntp server (其實已經設好了，不須更動，除非要改ntp server).

   server 140.133.31.126  #  NTP server

16.2. 重新啟動 NTP 服務

   # /sbin/init.d/xntpd restart
 
16.3.過一段時間後，再檢查是否與ntp server 對時

   # /usr/sbin/ntpq -p

   成功的話，會出現對時的ntp server ip，及對時後調整時間的訊息。

   如出現 No association ID's returned 則表示沒有成功。

16.4. 下列我實際的查詢結果（有啟用xntpd）

   # ps -ef |grep ntp
       root  1807     1  0  Aug 20  ?        20:11 /usr/sbin/xntpd

  server # ntpq -p
       remote           refid      st t when poll reach   delay   offset    disp
  =========================================================
  *NTP             192.168.33.4     5 u   43   64  377     8.87    0.533    1.62

17. 確定NTP已經sync成功後，接著就可以準備切換備機。

18. 切換備機程序：
19. In server
19.1. stop platform
19.2. unplug lan

20. In backup-server
20.1. make sure IP is the same with server 140.133.26.13  , if not, please change ip the same with server.
#ifconfig lan0 140.133.26.13 netmask 255.255.255.0 up
20.2. connect lan.
20.3. start platform
...
...
...
21. 恭喜，備機已經上線。