Re: Informix and Oracle or Sybase on the same server

verdy_p@msn.com wrote: > In some cases, to have Informix run on the same host as another > server, > you will have to change the default instance number (0). > > This problem occurs for example under AiX, because the shared memory > segment address is fixed and must not be changed. In some cases, this > causes conflicts with global shared memory segments allocated by other > > servers. I've not seen this problem with Informix and Oracle on the same machine. > [clipped] > This problem occurs on AiX because it lacks of the system API's to > know > the current map of shared memory handles allocated. Sometimes, when > the > Informix server panics and shut downs ungracefully, the shard memory > block is not released, and the host must be rebooted in order to drop > the > shared memory segment and its associated global handle. There should > be a > way under AiX to kill lost shared memory block descriptors, but any > attempt to do so (using shm_control from root account) failed: the > block > is present and allocated, but AiX refuses to unlock and dispose it, or > to > reuse it when the server is restarted. > It's been a little while since I've been on AIX. There's no ipcrm command? Tim