Rotez Solutions

Data & Cloud Platform Engineering | Databases, Linux, automation, reliability & security/GRC | Engineering projects & insights |

[Rotez Solutions @rotezsolutions]

RAC lab lesson: running a health check does not make it audit-ready. An open PR adds private evidence, provenance, overlap locks and failure exits. Initial two-node cron validation completed; sustained monitoring remains open. https://t.co/OWpEdO4Dma #GRC #DatabaseReliability

[Rotez Solutions @rotezsolutions]

Existing OCI–Azure lab lesson: a VPN failed because its peers had mismatched keys.

I validated IPsec, BGP, routing, security controls and database service reachability separately.

The cloud lab is now shut down.

#CloudEngineering #NetworkReliability

https://t.co/z35EYJTYM2

[Rotez Solutions @rotezsolutions]

https://t.co/Ens1XCxkU8

[Rotez Solutions @rotezsolutions]

Existing lab lesson: GoldenGate → SQL Server CDC worked, but the replication account had db_owner.

Connectivity ≠ least privilege.

Next gate: scope permissions and retest DML/recovery; evidence pending.

#DataEngineering

https://t.co/q3DHWP21Xh

[Rotez Solutions @rotezsolutions]

First scheduled Oracle RAC lab checks completed on both nodes: WARNING, zero critical findings reported. Logs, timestamps and checksums retained. Warnings remain under investigation.

How do you detect a missed health check?

#OracleDBA #PlatformEngineering

[Rotez Solutions @rotezsolutions]

Reliable monitoring checks its own evidence.

My draft lab runner rejects missing or wrong-database reports, even after exit 0. Eight fake-collector tests pass; second-node and live cron validation remain pending.

https://t.co/OWpEdO4Dma
#PlatformEngineering

[Rotez Solutions @rotezsolutions]

Staged upgrades need tenant-level evidence.

My Oracle 26ai lab recorded tenants at versions 2.0 and 1.0 during partial sync. Verify each tenant’s version and schema before proceeding. Functional lab only; rollback untested.

https://t.co/uRZR4xHmlN
#DatabaseEngineering

[Rotez Solutions @rotezsolutions]

Baseline-to-CDC handover is a data-integrity control.

OCI→Azure SQL Server lab lesson: align the baseline and capture position, then reconcile rows. Final logs remain pending; cloud lab shut down.

https://t.co/CkmYSB7IPS
#DatabaseMigration #CloudEngineering

[Rotez Solutions @rotezsolutions]

Repeatable releases need more than a green build.

In my NGINX lab, the deployment pins an image digest. CI smoke-tests the container; it does not deploy to Kubernetes. Live revalidation remains pending.

https://t.co/l9Ih2dPFKo
#DevOps #PlatformEngineering