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Practical guidance on backup storage, ransomware resilience and recovery architecture.

Usable backup capacity: Compare quotes on equal terms

Three quotes for the same backup repository arrive with three different capacity figures, and none of them mean the same thing. One states raw capacity, one states ...

Joshua Silvia· September 20, 2026

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Latest insights

Sealed glowing teal storage blocks isolated in a dark server rack aisle with no light paths connecting to them

Storage economics

Immutable retention costs: Why deleted jobs use space

A backup job is deleted after a workload is decommissioned, and the capacity chart does not move. The restore points that job produced are ...

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A long receding row of glowing teal data blocks fading into darkness along a dark server aisle

Storage economics

Backup retention costs: What another year really adds

A request to extend backup retention from one year to two is usually costed by doubling something. The instinct is understandable, since ...

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Two converging teal light paths crossing a dark data center aisle between server racks toward glowing storage blocks

Storage economics

Cloud vs. on-prem backup: Price the recovery scenario

Cloud and on-premises backup storage are almost always compared on what it costs to keep data: a price per terabyte per month against a ...

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Three ascending stacks of glowing teal storage blocks along a dark data center aisle with thin cyan light paths

Storage economics

Backup storage costs: Build a three-year budget

A three year backup storage budget that consists of one purchase price and two years of silence will be wrong, and the error usually ...

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Glowing teal storage blocks stacking upward with reserved empty space ahead of them in a dark server aisle

Storage economics

Backup storage sizing: Budget for growth and churn

A first pass at backup storage sizing produces a number that is correct for the estate as it stands today. The platform, though, is bought ...

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Older and newer server racks side by side in a dark data center aisle joined by glowing teal light paths

Storage economics

Backup storage refresh: Expand or replace?

A backup storage refresh rarely announces itself as an architecture decision. It arrives as a support renewal quote with a date on it, and ...

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Three parallel stacks of glowing teal storage blocks aligned to a common baseline in a dark server room

Storage economics

Backup storage procurement: Compare complete solutions

Three quotes arrive for backup storage and each one prices something slightly different. One states raw capacity, another states capacity ...

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Dark data center cabinet with glowing teal power feeds and cooling airflow traced as light paths around stacked servers

Storage economics

Backup storage power and rack costs: What to include

Two backup storage options are compared on hardware and software, a decision is taken, and the equipment arrives in a room somebody else ...

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Glowing teal storage blocks with a deliberate empty gap held open in a dark data center aisle of server racks

Storage economics

Backup storage headroom: How much should you budget?

Headroom on a backup repository is usually a round proportion, carried over from the last platform or from whatever the previous ...

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Explore the fundamentals

Immutable storage How retention and object lock protect backups. Recovery planning RTO, restore throughput and recovery testing. Backup architecture Repositories, capacity and storage tiers.

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Backup. Recovery. Resilience.

Usable backup capacity: Compare quotes on equal terms

Latest insights

Immutable retention costs: Why deleted jobs use space

Backup retention costs: What another year really adds

Cloud vs. on-prem backup: Price the recovery scenario

Backup storage costs: Build a three-year budget

Backup storage sizing: Budget for growth and churn

Backup storage refresh: Expand or replace?

Backup storage procurement: Compare complete solutions

Backup storage power and rack costs: What to include

Backup storage headroom: How much should you budget?

Explore the fundamentals

Test ARTESCA against your backup software