(This is post #2 of our multi-part series: “IBM i Cyber Resilience: Backup That Works”)
Backups Are Only as Valuable as Their Recoverability
IBM i environments often rely on successful completion messages from BRMS or native save jobs as an indicator of backup health.
However, commands like RSTLIB, RSTOBJ, and full system recovery procedures introduce dependencies that are not validated until a restore is attempted.
Organizations exploring solutions such as LaserVault ViTL are typically focused on improving the predictability and performance of these restore operations.
Where Tape-Based Recovery Introduces Risk
Technical challenges with tape-based recovery include:
- Sequential read limitations during RST operations
- Dependency on correct volume order for multi-volume saves
- Hardware read errors from degraded media
- Time required to locate and mount physical cartridges
In a full system recovery scenario, these factors compound quickly.
Recovery as a Cyber Resilience Metric
Recovery performance is defined by:
- Time to first byte during restore
- Throughput of sequential data reads
- Reliability of media across restore operations
Tape introduces constraints in all three areas.
Virtual Tape and Predictable Recovery
Virtual tape improves recovery by:
- Enabling faster data access from disk-backed storage
- Eliminating media degradation variables
- Supporting consistent throughput during RSTLIB and RSTOBJ operations
Midway through evaluation, many teams identify that LaserVault ViTL significantly improves restore predictability without requiring changes to recovery procedures.
Integration with Broader Recovery Strategy
Virtual tape also enables:
- Replication of save images to secondary environments
- Integration with deduplication appliances for retention
- Alignment with enterprise disaster recovery orchestration
The Shift from Backup Success to Recovery Assurance
Technically, the focus shifts from:
“Did the save complete?”
to
“Can the system be restored within required timeframes?”
Looking Ahead
Once recovery confidence is addressed, organizations evaluate how to modernize further without disrupting existing IBM i operations.
If recovery performance is uncertain, it is time to reassess.
Explore your options. Book a demo or request a quote.
Next in the series: Modernizing IBM i backup without changing your environment.
Read part 1 in the series: “Eliminating Manual Tape Risk in Modern IBM i Environments”
For organizations modernizing IBM i backup and recovery, LaserVault ViTL provides a purpose-built virtual tape architecture designed for IBM Power Systems. It delivers high-performance tape emulation, sustained throughput for large save operations, fast object and system-level restores, and automated replication for disaster recovery, all while maintaining compatibility with native IBM i commands and existing workflows. By removing the limitations of physical tape, IT teams gain faster backup windows, more reliable recovery, and reduced operational overhead, resulting in a simpler and more resilient backup strategy.
If you are evaluating ways to strengthen IBM i resilience and streamline daily operations, explore your options at LaserVault or reach out to ax@laservault.com.
About LaserVault
For over 35 years, LaserVault (Electronic Storage Corporation) has been building reliable software solutions for IBM Power Systems. Our team combines deep technical experience with responsive support to help businesses and resellers get exactly what they need—fast.
We also partner with IBM, Cohesity, Rubrik, ExaGrid, Pure Storage and other technical experts to deliver trusted, modern solutions.
Visit laservault.com or email info@laservault.com to request a quote, schedule a demo, or ask about our reseller program.
Ax Synar, Vice President
LaserVault / Electronic Storage Corporation
ax@laservault.com
918-640-2630
