[gpfsug-discuss] help/ advice with external helper apps for ILM policy engine

[Paul Ward]

Hi,

has anyone written external helper apps for the ILM policy engine.

we are running TCT, planning to move files from on-premise COS to AWS, but I need to detect which cloudpool the files are currently in.
The policy engine doesn't appear to be able to access the extended file attributes indicating which cloudpool a migrated file is in.
So I am trying to use an external helper script, but execution of the policy seems to stall at the point it should use the helper script.

I will also need to use a help app to move the files from COS to AWS as the mmcloudgateway CLI will recall then migrate, but the policy engine detects the files are already migrated so refuses to 'migrate' them again.
I plan to call the CLI version

Any advice?

Kindest regards,
Paul

Paul Ward
TS Infrastructure Architect
Natural History Museum
T: 02079426450
E: p.ward at nhm.ac.uk<mailto:p.ward at nhm.ac.uk>
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