informix 数据库无法启动

balsam1970

日志中错误如下：
Rollforward of log record failed.iserrno=126.
Log Record:log=51962,pos=390684,type=OLDRSAM:HDELETE(41),trans=11
Assert Failed:INFORMIX-Online Must ABORT
Critical media failure
Informix Dynamic Server Version 7.30.UC2
  Who:Session(8,informix@scosysv,0,0)
          Thread(39,xchg_1.8,0,1)
          File:rsmirror.c Line:1703
  See Also:/tmp/af.27a7ab,shmem.27a7ab.0
rsmirror.c,line 1703,thread 39,proc id 800,INFORMIX-Online Must ABORT
Critical media failure..
PANIC:Attempting to bring system down
Requested shared memory segment size ruonde from 8000KB to 8192KB


                  请高人指点，谢谢了