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@CodyCBakerPhD CodyCBakerPhD commented Jan 2, 2026

A complete summary of all researched options for backup

Quick link: https://github.com/CodyCBakerPhD/dandi-archive/blob/all_backup/doc/design/all_backup_options.md

CodyCBakerPhD and others added 3 commits January 2, 2026 12:43
* Add backup alternatives documentation for DANDI Archive

This document outlines various backup alternatives for the DANDI Archive, including S3 replication, tape storage options, and institutional servers. It details functional and non-functional requirements, proposed solutions, limitations, and cost estimates for each backup method.

* Revise backup alternatives with advantages, limitations, and costs

Updated the backup alternatives document to include new sections on advantages and limitations for various backup solutions, including Deep Glacier, Tape (NESE/Granite), Servers (OSN/ORCD), and Distributed System (Bacula). Removed outdated information regarding NESE Tape and added cost summaries for each solution.

* Refine backup alternatives documentation

Updated formatting and added details for backup alternatives, including replication, backup, and proposed solutions. Enhanced clarity and organization of information regarding costs and considerations.

* Revise backup alternatives with updated pricing and considerations

Updated considerations on geographical data loss, service provider diversification, and sustainability. Added ORCD pricing details and amortization calculations.

* Update backup alternatives documentation

This document expands upon the Deep Glacier design to include all known alternative backup options, detailing their advantages, limitations, and costs for comparison.

* Revise considerations on data loss and service providers

Clarified the implications of geographical data loss and vendor lock-in in the backup strategy.

* Revise backup alternatives documentation

Updated section headers and added cost details for ORCD.
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cc'ing @christophernhill who stated some interest in following this

@CodyCBakerPhD CodyCBakerPhD deleted the all_backup branch January 2, 2026 18:13
@CodyCBakerPhD CodyCBakerPhD restored the all_backup branch January 8, 2026 18:07
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CodyCBakerPhD commented Jan 8, 2026

(Not sure how this got closed - reopened)

EDIT: probably because of an accidental branch deletion

@CodyCBakerPhD CodyCBakerPhD reopened this Jan 8, 2026
@CodyCBakerPhD CodyCBakerPhD self-assigned this Jan 12, 2026
@yarikoptic yarikoptic requested a review from waxlamp January 12, 2026 20:36
@CodyCBakerPhD CodyCBakerPhD added the design-doc Involves creating or discussing a design document label Jan 12, 2026
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