Disaster RecoveryBackup
Backup is not Disaster Recovery (and here is why)
A backup is necessary but not sufficient for DR. The eight things that have to come after the backup before you can call a system real Disaster Recovery.
3 min read
Tag
Disaster Recovery
11 articles
Disaster RecoveryRTOBIA
How to calculate your real RTO (not the one on paper)
A step-by-step method to measure a realistic RTO starting from a Business Impact Analysis. Spreadsheet template and the mistakes to avoid.
3 min read
Disaster RecoveryCostiTCO
The hidden costs of DIY Disaster Recovery
Storage pricing is not DR pricing. Hardware, bandwidth, head-count, drills, training: everything missing from your storage vendor's quote.
2 min read
Disaster RecoveryBCDRPillar
Disaster Recovery: the complete 2026 guide
What Disaster Recovery is, how it is measured (RTO/RPO), which architectures exist and how to pick the right solution. Sefthy's reference guide.
5 min read
Disaster RecoveryCloudArchitettura
Cloud DR vs on-prem DR: an honest comparison
Cost, RTO, operational complexity, compliance: a head-to-head comparison between cloud DR and a secondary on-prem site. When the second datacentre still makes sense.
2 min read
Disaster RecoveryPMIItalia
Disaster Recovery for Italian SMBs: what really matters
SMBs, NIS2, public-tender requirements, cyber insurance: the 2026 picture and three feasible DR tiers for small budgets.
2 min read
Disaster RecoveryGDPRSovranità
Geo-redundancy in Italy: GDPR, NIS2 and data sovereignty
Having DR in a "European" cloud is no longer enough: what changes with NIS2, AgID and Italy's National Strategic Hub, and why an Italian cloud actually matters.
2 min read
L2 TunnelDisaster RecoveryPillar
L2 tunnels for Disaster Recovery: the complete guide
What a Layer-2 tunnel is, why in DR it matters more than anything else and how this single architectural choice separates a 4-minute RTO from a 4-hour one.
4 min read
Disaster RecoveryRTORPO
RTO vs RPO: differences, examples and how to actually measure them
RTO and RPO are the two numbers that define every DR project. We explain what they are, how to calculate them and why in practice they are almost always under-declared.
3 min read
Disaster RecoverySnapshotReplica
Snapshots vs continuous replication: choosing without regrets
When a 5-minute RPO is enough and when you need sub-second. The difference between interval snapshots, CDP and synchronous replication and what each really costs.
2 min read
Disaster RecoveryTest
DR drills: how often to run them and how
Four levels of DR drill (tabletop, walkthrough, partial, full failover), the cadences recommended by NIST and ISO 22301 and an operational checklist.
2 min read