请教日志问题

awen123

我安装了一台sco,+informix730机器,
开始informix能起来,我增加了几个大得逻辑日志,删掉了系统默认得6个逻辑日志
后想更改物理日志,把库变成quiescent状态,
运行onparams -p -s 40000 -d phydbs -y
后,报错shared memory not initialized for INFORMIXSERVER 'on56'

之后oninit数据再也启不来了,
请各位老师指教!!!!!!!!
看online.log

13:53:18  Informix Dynamic Server Initialized -- Shared Memory Initialized.
13:53:18  Physical Recovery Started.
13:53:18  Physical Recovery Complete: 0 Pages Restored.
13:53:18  Logical Recovery Started.
13:53:18  Rollforward of log record failed. iserrno = 0
13:53:18  Log Record: log = 22, pos = 1267064, type = OLDRSAM:CHALLOC(51), trans
= 1
13:53:19  Assert Failed: INFORMIX-OnLine Must ABORT
        Critical media failure.
13:53:19  Informix Dynamic Server Version 7.30.UC2
13:53:19   Who: Session(7, informix@test56, 0, 0)
                Thread(34, xchg_2.0, 0, 1)
                File: rsmirror.c Line: 1703
13:53:21   See Also: /tmp/af.2230ce, shmem.2230ce.0
13:53:22  rsmirror.c, line 1703, thread 34, proc id 1714, INFORMIX-OnLine Must A
BORT
        Critical media failure..
13:53:22  PANIC: Attempting to bring system down