SDS_ENABLE configuration parameter

Use the SDS_ENABLE configuration parameter to enable SD secondary server functionality.

onconfig.std value
Not set.
if not present
0
values
0 = Disable

1 = Enable

takes effect
After you edit your onconfig file and restart the database server.
When you reset the value dynamically in your onconfig file by running the onmode -wf command.
When you reset the value in memory by running the onmode -wm command.

Usage

You must set SDS_ENABLE to 1 (enable) on the SD secondary server to enable SD secondary server functionality.

SDS_ENABLE is set to 1 (enabled) automatically when you run the following command:
onmode -d set SDS primary
SDS_ENABLE is set to 0 (disabled) when you run the following command:
onmode -d clear SDS primary

To prevent data corruption, you cannot use the oninit -i or oninit -iy command to initialize disk space on a server if SDS_ENABLE is set to 1 (enabled). To initialize an SD secondary server, initialize only the shared memory by using oninit with no parameters. To initialize a primary server to which one or more SD secondary servers are attached, and whose disk has never been initialized, set SDS_ENABLE to 0 and initialize the server memory and disk using oninit -i. To initialize a primary server to which SD secondary servers are attached, and whose disk is already initialized, set SDS_ENABLE to 1 and initialize shared memory only using oninit with no parameters.


Copyright© 2019 HCL Technologies Limited