Replication Server may return the following error on AIX:
exec(): 0509-036 Cannot load program repserver because of the following errors: 0509-130 Symbol resolution failed for /usr/lib/libc.a(aio.o) because: 0509-136 Symbol kaio_rdwr (number 0) is not exported from dependent module /unix. 0509-136 Symbol listio (number 1) is not exported from dependent module /unix. 0509-136 Symbol acancel (number 2) is not exported from dependent module /unix. 0509-136 Symbol iosuspend (number 3) is not exported from dependent module /unix. 0509-136 Symbol aio_nwait (number 4) is not exported from dependent module /unix. 0509-192 Examine .loader section symbols with the 'dump -Tv' command.
Perform the following steps to correct this problem:
Enable asynchronous I/O by adjusting the kernel parameters, using the System Management Interface Tool (SMIT). This step is mandatory for IBM users.
1. Enter "smit" at the UNIX prompt.
2. From the Devices menu, select Asynchronous I/O.
3. Select Change/Show Characteristics of Asynchronous I/O.
4. Enter the values from the following table:
SMIT parameter |
Value |
|---|---|
MINIMUM number of servers |
1 |
MAXIMUM number of servers |
10 |
MAXIMUM number of REQUESTS I/O |
4096 |
Server PRIORITY |
39 |
ASYNC I/O STATE (to be configured at system restart) |
Available |
If your system uses more than seven disks at the same time for asynchronous I/O, increase the MAXIMUM number of servers value by 1 for every active device.
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