How to know the number of Informix Instances

["Shulzhenko Vasyl" <vasilis@softline.kiev.ua>]

>Lyzander Marantal wrote:
>> 
>> Hi everyone!
>> 
>> How will I be able to know the number of Informix instances
>> currently running in a particular host?
>
>Onstat -g dis reports on the contents of the file 
>/INFORMIXTMP/.infxdirs.  This will not report on any early version 
>instances in memory.  Try also:
>
>ipcs -m | fgrep informix | fgrep 4801 
>
>Since even 5.xx and 4.xx allocate shared memory segments and the first 
>of these segments is made of a base address that ends with 0x4801 and 
>begins with 0x5256 + the SERVERNUM.  From this formula you can derive 
>which server number belongs to which memory.
>
>If you want to find the oninits that belong to these particular memory 
>blocks you can add the -a flag to ipcs and read off the creator pid 
>which will be the master oninit for the instance.
>
>Art S. Kagel