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Decision: Solution 1Option 1: GCP same project : reuse existing project with an additional machine to not impact the run activities, while the data export will be huge. (today the delegation are managed manually) Decision made by: LAI DAWN, MATHE, Alexandre , TRIFFAUX, Eric Date: Online Meeting: 2026.04.02 - GAM VM alignment call |
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Issue
The data extraction phase is scheduled to commence in early April and will conclude by late June , running concurrently with the five migration waves to ensure all necessary data is captured prior to final decommissioning.
Activity | Pilot | Wave 1 | Wave 2 | Wave3 | Wave4 | Wave5 |
Audit and Data extraction | N/A | 08/04/2026 | 15/04/2026 | 27/04/2026 | 1/05/2026 | 6/05/2026 |
Go/NoGo to start Prestaging | 2/03/2026 | 10/04/2026 | 17/04/2026 | 29/04/2026 | 5/05/2026 | 8/05/2026 |
Go/NoGo to start Cutover Readiness | 16/03/2026 | 4/05/2026 | 11/05/2026 | 18/05/2026 | 25/05/2026 | 1/06/2026 |
Go/NoGo to start Cutover Execution | 20/03/2026 | 8/05/2026 | 15/05/2026 | 22/05/2026 | 29/05/2026 | 5/06/2026 |
Cuto-off/Go-Live | 23/03/2026 | 11/05/2026 | 18/05/2026 | 25/05/2026 | 1/06/2026 | 8/06/2026 |
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To perform all of those activities Syensqo will rely on Revevol who will use Google Application Manager (GAM).
Details
- GAM is a windows tool, cannot run on linux server.
- Do not need to connect the windows server to the active directory, while the server will remains in GCP boundaries and identity management.
- GAM will Download from API → Server Disk → GCP (keep the data until will leave GCP)
- Strategy to extract the data out of GCP to be defined.
- Operating model of data being extracted to be clarified (with security team)
- GCP projects → Syensqo Projects and API Lists
Recommendation
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Go for solution 1 Option 1 reusing one of the existing GCP project running GAM today for daily operation with a new dedicated machine completely delegated to Dawn and Revevol. Delete the data and or the machine a the end of the migration in June or July 2026.
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Options Considered
Option 1: GCP same
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project : reuse existing project with an additional machine to not impact the run activities, while the data export will be huge. (today the delegation are managed manually)
- No extension of the scope, same place.
- Hosting will grant permission to Dawn to provide delegation and create machine.
- Dawn will delegate the machine creation to revevol to become T0 (inform Rizwan Parwaiz)
- Revevol creates the necessary stuff on the machine to perform the SOW activities.
- Dawn to ensure post migration , Revevol delete the machine, or the disk being cleaned-up. (do we need this machine with GAM later?)
- Post Vault extraction Vault operating model for 5y to be reviewed with security.
- Existing projects for 2 technical team Indian and french team
- Gcp-sqo-gam-in-p
- Gcp-sqo-gam-fr-p ← (the one to be reused)
Option 2: GCP but with a new project completely managed by REVEVOL : replicate current GCP project flows etc, Dawn having the access, and sharing appropriate permission with Revevol only. But do not make sense to segregate the project while we can have a dedicated machine in one of the existing project.
Option 3: AWS : too long, and extra security concerns
Option 4: AZURE : too long, and extra security concerns, Azure is not yet configured for T0
Option 5: Revevol : if we can handle on our GCP , better to avoid.
See also
The following section describes relevant documentation:
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