Skyward Data

Mainframe Cloud Backup with FlowZ: Cheaper, Faster, Off-Site


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How cheap and how fast can mainframe-to-cloud backup actually be? VirtualZ Computing CTO Vince Re shows how VirtualZ backs up its own IBM Z mainframe — system backups, source code, and operational logs — by streaming them straight to cloud object storage with FlowZ, VirtualZ's no-code tool for using Amazon S3, Azure Blob, and Google Cloud as mainframe backup and archive storage, for pennies a month.

Vince Re explains exactly how it works: FlowZ makes cloud object storage look like a normal output target to z/OS, so the mainframe writes to the cloud as if it were a local device — with no custom code and nothing running on the cloud side. He also answers the objection everyone raises about cloud backup: isn't the network too slow? It isn't, and he walks through why.

In this episode of Skyward Data, the podcast from VirtualZ Computing:

- How cloud object storage becomes a native mainframe output target with no custom code
- Real numbers on volume backup speeds and compression, mainframe to cloud
- Why network bandwidth is not the bottleneck most teams assume it is
- How the approach scales from a small shop to a site moving terabytes a day
- Replacing fragile, expensive local tape and disk media with cheaper, off-site cloud backup

FlowZ is part of VirtualZ Computing's no-code portfolio for enterprise mainframe data, alongside PropelZ (moving and replicating mainframe data, proven at 56,000 records per second), Lozen (live in-place data access), and Zaac (cloud and SAN as native z/OS storage). For banks, insurers, retailers, and any enterprise running IBM Z, it's a practical path to durable, low-cost, off-site backup and tape replacement.

Topics: mainframe cloud backup, IBM Z, z/OS, cloud object storage, S3, Azure Blob, Google Cloud, tape replacement, mainframe archive, no-code data integration, hybrid cloud.

Listen to more Skyward Data episodes: https://virtualzcomputing.com/podcasts

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Skyward DataBy VirtualZ