如题出现错误，建立表空间失败，具体情况如下：
输入：onspaces -c -d plogdbs -p /opt/informix/chunks/plogchk -o 0 -s 2000000
输出：shared memory not initialized for INFORMIXSERVER 'testserver'
查看onstat -m：
IBM Informix Dynamic Server Version 11.50.FC9DE -- On-Line -- Up 01:19:12 -- 149196 Kbytes
Message Log File: /opt/informix/tmp/online.log
20:14:43 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0, Plog used 2, Llog used 2
20:29:44 Checkpoint Completed: duration was 0 seconds.
20:29:44 Thu Nov 6 - loguniq 1, logpos 0x6018, timestamp: 0xe1 Interval: 5
20:29:44 Maximum server connections 0
20:29:44 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0, Plog used 2, Llog used 2
20:44:44 Checkpoint Completed: duration was 0 seconds.
20:44:44 Thu Nov 6 - loguniq 1, logpos 0x8018, timestamp: 0xeb Interval: 6
20:44:44 Maximum server connections 0
20:44:44 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0, Plog used 2, Llog used 2
20:59:45 Checkpoint Completed: duration was 0 seconds.
20:59:45 Thu Nov 6 - loguniq 1, logpos 0xa018, timestamp: 0xf5 Interval: 7
20:59:45 Maximum server connections 0
20:59:45 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0, Plog used 2, Llog used 2
查看ipcs：
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x52564801 655364 informix 660 119336960 9
0x52564802 688133 informix 660 33439744 9
------ Semaphore Arrays --------
key semid owner perms nsems
0x00000000 163844 root 660 9
0x00000000 196613 root 660 9
0x00000000 327686 informix 660 9
------ Message Queues --------
key msqid owner perms used-bytes messages
小弟初学，感谢各位大神的帮助！！
补充一下，初步认为是Maximum server connections 数量的问题...不明白为什么是0，能不能改？
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