Linux系统中配置informix ISM 备份到磁盘基本配置

1. informix用户执行:
$mkdir /databak/backup/data
$mkdir /databak/backup/logs

2. 修改LTAPEDEV 参数为如下
$touch /databak/backup/ltapedev
$chmod 660 /databak/backup/ltapedev
修改为如下:
LTAPEDEV /databak/backup/ltapedev

3. 修改卷池
ISM_DATA_POOL ISMData
ISM_LOG_POOL ISMLogs

4. 开始配置ism
$su root
#ism_startup  -init root
# ism_add -admin informix@linux
# ism_add -device /databak/backup/data -type file
# ism_add -device /databak/backup/logs -type file
#ism_op -label /databak/backup/logs -volume data -pool ISMData -force
#ism_op -label /databak/backup/logs -volume log -pool ISMLogs -force
#ism_op -mount /databak/backup/data
file disk data mounted on /databak/backup/data, write enabled
#ism_op -mount /databak/backup/logs
file disk log mounted on /databak/backup/logs, write enabled

5. 备份验证:
$ onbar -b -w
$onbar -v
通过以下方式也可以查看:
$onstat -m
21:46:10  Level 0 Archive started on rootdbs
21:46:11  Archive on rootdbs Completed.
21:46:12  Logical Log 3 Complete, timestamp: 0x2bf75.
21:51:22  Checkpoint Completed:  duration was 0 seconds.
21:51:22  Sun Dec 26 - loguniq 4, logpos 0x8018, timestamp: 0x2c04f Interval: 14
查看ism备份进程
$ ps -ef|grep nsr
root     21297     1  0 21:31 ?        00:00:00 /opt/IBM/informix/bin/nsrexecd
root     21298 21297  0 21:31 ?        00:00:00 /opt/IBM/informix/bin/nsrexecd
root     21300     1  0 21:31 ?        00:00:00 /opt/IBM/informix/bin/nsrd
root     21305 21300  0 21:31 ?        00:00:00 /opt/IBM/informix/bin/nsrmmdbd
root     21306 21300  0 21:31 ?        00:00:00 /opt/IBM/informix/bin/nsrindexd
root     21307 21300  0 21:31 ?        00:00:00 /opt/IBM/informix/bin/nsrmmd -n 1
root     21610 21300  0 21:39 ?        00:00:00 /opt/IBM/informix/bin/nsrmmd -n 2
root     21642 21300  0 21:40 ?        00:00:00 /opt/IBM/informix/bin/nsrmmd -n 3
informix 22593 19413  0 22:07 pts/3    00:00:00 grep nsr

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