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Status Delivered
Workspace IBM Copy Services Manager (CSM)
Created by Guest
Created on Aug 16, 2022

RELATED IDEAS

CSM to Include Active/Normal PPRC Path Count for LSS's Under Topology Details View

It would be very helpful if the Topology Details table could list out the total PPRC path counts for each session/LSS. This can be useful in making sure that eg the CSV setup is as expected, that there aren't any failed paths affecting a particular session, and so on.

Currently the only way to validate that an LSS is using all the expected paths is to either try to eyeball it from amongst the many paths shown on the DS8000 Paths table (see CSM-I-85) or to copy out the paths table to a spreadsheet and make a pivot table.

Idea priority High
  • Guest
    Reply
    |     Jul 13, 2023
    Delivered in the CSM 6.3.6
  • Guest
    Reply
    |     Aug 30, 2022

    I think both options are valuable improvements.

    The topology allows to review the setup on demand and can give an actual overview about path counts per LSS pairing.

    The path limit per session would allow immediate alerting if a relevant path goes into an error state. This is a good approach for few or important sessions. However, defining individual path limits per session may be inconvenient, when many small sessions are to be managed. And potentially it might be different within the session, e.g. for MT session, there might be 6 links for the MM leg, but only 4 for the GM leg. So it would have to be specified for each role pair or it can only be the least minimum path limit for all mirroring role pairs in the session.

  • Guest
    Reply
    |     Aug 16, 2022
    So we now produce an alert and a warning on the session if we find only 1 path on the session. Alternate proposal. What if instead of providing the path count, we allowed you to set the minimum number of paths necessary between all LSSs in the session? That way if you're expecting 8 logical paths (because that's what you defined in the port pairing csv) and at any point CSM finds less than 8, the session goes into a warning state and an alert is thrown.

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