Storage
NVMe SSD storage infrastructure
Every server runs on an NVMe disk pool. Database write latency, random read performance and concurrent operation capacity sit well above conventional SATA SSD deployments.
- Across the whole disk pool
- NVMe
- Direct bus access
- PCIe
- Hardware disk redundancy
- RAID
- Backups on separate storage
- Veeam
Where does the NVMe versus SATA SSD difference come from?
SATA SSD uses an interface inherited from the spinning-disk era. Even though flash is fast, data travels a single-queue path through the disk controller and the interface bandwidth becomes a ceiling. NVMe removes that intermediate layer and attaches flash storage directly to the PCIe bus.
The practical difference shows up in two places. First, latency: the time to complete a single read or write drops noticeably, which translates directly into database response times. Second, concurrency: because NVMe processes many deep queues in parallel, performance does not collapse under heavy random access.
Combined, the workloads that benefit most are databases, e-commerce cart and order operations, reporting queries, and applications working with large numbers of small files. In scenarios dominated by sequential reads of large files the gap is narrower.
- Markedly lower database write latency
- Stable performance under heavy random access
- Shorter reporting and batch job runtimes
- Hardware RAID redundancy against disk failure
- Backups kept on storage separate from production
Features
Storage layer capabilities
Low-latency I/O
Direct PCIe access lowers per-operation latency, improving response times in transaction-heavy databases.
Deep queue parallelism
Many simultaneous requests are processed in parallel, so sudden load spikes such as campaign hours cause limited degradation.
RAID redundancy
Disks run under hardware RAID, so a single disk failure causes neither data loss nor a service outage.
Capacity flexibility
Disk space is extended as you grow. Rising data volume does not force a rebuild or a migration.
Snapshot support
Take a snapshot before an upgrade or risky change and roll back within minutes if something goes wrong.
Disk health monitoring
Utilisation and disk health are tracked continuously in Zabbix; threshold breaches reach our operations team before they reach you.
Comparison
NVMe, SATA SSD and SAS compared
How the same workload behaves on three storage types, summarised across the three criteria that matter when choosing.
| Criterion | NVMe SSD | SATA SSD | SAS HDD |
|---|---|---|---|
| Connection path | Direct PCIe | SATA controller | SAS controller |
| Random access | Very high | High | Low |
| Operation latency | Lowest | Moderate | High |
| Database suitability | Primary choice | Acceptable | Not recommended |
| Archive suitability | Unnecessary cost | Suitable | Economical |
FAQ
Frequently asked questions
What happens if I run out of disk space?
Capacity is extended in a planned maintenance window with no data migration or rebuild required. Because Zabbix alerts on utilisation thresholds, we usually act before space actually runs out.
What happens to my data if a disk fails?
Disks run redundantly under hardware RAID, so a single disk failure does not stop the service. Veeam backups are additionally held on storage separate from the production pool, so a storage-level problem cannot propagate to them.
Is a snapshot the same as a backup?
No. A snapshot is a point-in-time state held on the same storage, ideal for a fast rollback, but it is lost alongside the storage in a storage-level failure. A backup lives in a separate location. The two are complementary, not alternatives.
Is NVMe necessary for every workload?
Databases, e-commerce transactions and applications handling many small files feel the difference most. In archive-like scenarios dominated by sequential reads of large files the gain is limited; even so, we do not maintain a separate SATA tier — the entire pool is NVMe.
More
Related pages
- Cloud ServerEnterprise cloud server infrastructureEnterprise cloud servers on VMware ESXi with NVMe SSD and 10 Gbps isolated VLAN. Deployment, SPLA licensing and Veeam backup included; Istanbul and Europe locations.
- BackupBackup and snapshot managementDaily and weekly Veeam backups on separate storage, snapshot rollback within minutes, and regular restore testing.
- Managed DatabasesManaged database servicesManaged database services covering deployment, configuration, backup, monitoring and version management. NVMe storage with replication over a 10 Gbps private network.
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