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Storage Calculator

Estimate how much disk space your business needs now and in the future. Get a breakdown by category with cost comparisons across 5 major cloud providers.

6 application types5-year growth projections5 cloud providers compared

Your Storage Profile

Configure your application and usage parameters

0 GB

Set to 0 for a new deployment

50
20

Invoices, reports, uploads, etc.

0.5 MB
2 GB

Low: 20%/yr, Medium: 35%/yr, High: 50%/yr

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Understanding Business Storage Requirements

Why Storage Planning Is Critical

Running out of disk space is one of the most common causes of application downtime. When a database server fills its disk, transactions fail, data corruption can occur, and recovery is time-consuming. Email servers stop receiving messages. File servers reject uploads. The cost of an emergency storage expansion far exceeds the cost of planning ahead. This calculator helps you estimate your storage needs across all application categories, account for backup overhead, and project growth so you provision infrastructure that lasts without overspending on capacity you do not need.

Storage for ERP and Business Applications

ERP systems like Odoo consume storage across multiple dimensions. The PostgreSQL database itself grows 1-5 GB per 100 users per year depending on transaction volume. Document attachments (invoices, purchase orders, product images) typically consume 3-5x more space than the database itself. Report archives, audit logs, and email integration add additional overhead. A mid-size Odoo deployment (50-200 users) should plan for 200-500 GB in year one, with 30-40% annual growth. Separating document storage to object storage (S3) can significantly reduce costs while maintaining fast database performance on premium NVMe storage.

Block Storage vs. Object Storage

Modern infrastructure uses a tiered storage strategy. Block storage (NVMe SSDs, AWS EBS gp3, Azure Premium SSD) delivers low-latency access needed for databases and application code, costing $0.08-0.10/GB/month. Object storage (AWS S3, Azure Blob, GCS) is designed for large volumes of files at $0.02-0.03/GB/month. Archive storage (S3 Glacier, Azure Cool) costs as little as $0.004/GB/month for rarely accessed data. Best practice: keep your database and OS on block storage, move documents and media to object storage, and push old backups to archive storage. This three-tier approach can reduce storage costs by 50-70% compared to keeping everything on block storage.

The Hidden Cost of Backups

Backups are essential but often underestimated in storage planning. A 30-day daily backup retention policy effectively doubles your storage requirements. With 90-day retention, total storage can reach 3x your active data. Enterprise compliance requirements may mandate 7-year retention for financial records. Strategies to manage backup storage include incremental backups (only storing changes), compression (typically 40-60% reduction), deduplication, and tiered backup storage where recent backups stay on fast storage and older ones move to cheaper archive tiers. Our calculator accounts for all of these factors in its projections.

Frequently Asked Questions

How do I estimate storage for a new ERP deployment?
For a new Odoo or ERP deployment, plan for three main storage consumers: the database (1-5 GB per 100 users per year), document attachments (varies widely, typically 500 MB-2 GB per user per year), and backups (multiply active storage by your retention policy, e.g., 30-day retention roughly doubles your storage need). A 50-user Odoo deployment typically needs 50-100 GB in year one, growing to 150-300 GB by year three.
What is the difference between block storage and object storage?
Block storage (like AWS EBS or local SSDs) provides high-speed, low-latency access and is used for databases and operating systems. Object storage (like AWS S3 or Azure Blob) is designed for large volumes of unstructured data like files, images, and backups. Object storage costs 5-10x less per GB than block storage but has higher latency. Best practice: use block storage for databases and application files, object storage for documents, media, and backups.
How much does cloud storage actually cost?
Cloud storage pricing varies significantly. AWS EBS gp3 costs $0.08/GB/month, Azure Premium SSD costs $0.10/GB/month, and GCP PD-SSD costs $0.085/GB/month. DigitalOcean Volumes cost $0.10/GB/month, and Hetzner Volumes are the most affordable at $0.052/GB/month. For 500 GB, monthly costs range from $26 (Hetzner) to $50 (Azure). Object storage is much cheaper: AWS S3 Standard costs $0.023/GB/month.
How does backup retention affect storage requirements?
Backup retention has a multiplying effect on your total storage needs. Daily backups with 7-day retention add roughly 30% to your base storage (assuming incremental backups). 30-day retention doubles it. 90-day retention triples it. 365-day retention can 4-5x your base storage. Compression and deduplication typically reduce backup sizes by 40-60%, but you should still plan for significant backup overhead.
When should I consider object storage (S3) instead of disk storage?
Consider object storage when: (1) your total file storage exceeds 1 TB, (2) files are accessed infrequently (cold data), (3) you need to serve files to users via CDN, or (4) cost is a primary concern. Object storage (S3, Azure Blob, GCS) costs $0.02-0.03/GB vs. $0.08-0.10/GB for block storage. Most ERP systems support S3-compatible storage for document attachments, making it easy to offload large files while keeping the database on fast block storage.
How fast does storage consumption typically grow?
Database storage grows 20-40% per year for active businesses. Document storage grows 40-60% per year due to increasing digital workflows. Email storage grows 25-35% per year per user. Overall, most businesses should plan for 30-50% year-over-year storage growth. Growth accelerates when companies adopt new digital processes, onboard more users, or start storing media files. Our calculator projects growth over 1, 3, and 5 years so you can plan ahead.

Need Managed Storage for Your Business?

ECOSIRE provides managed hosting with automated backups, tiered storage optimization, and proactive monitoring. We handle storage planning, scaling, and disaster recovery so your data is always safe and accessible.

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