# How do you log tag to two historians?

**URL:** <https://forum.inductiveautomation.com/t/how-do-you-log-tag-to-two-historians/90462>\
**Category:** Ignition\
**Created:** [May 15, 2024, 9:20pm UTC](https://forum.inductiveautomation.com/t/how-do-you-log-tag-to-two-historians/90462 "2024-05-15T21:20:36Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Eugene49](https://avatars.discourse-cdn.com/v4/letter/e/c6cbf5/32.png) [@Eugene49](https://forum.inductiveautomation.com/u/Eugene49)\
**Post date:** [May 15, 2024, 9:20pm UTC](https://forum.inductiveautomation.com/t/how-do-you-log-tag-to-two-historians/90462/1 "2024-05-15T21:20:36Z")

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I want to log the same tag to two historians.

How do you do that?

Right now, is for educational purpose. One in SQL and the other MariaDB.

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**Author:** ![calimero100582](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/calimero100582/32/18630_2.png) [@calimero100582](https://forum.inductiveautomation.com/u/calimero100582)\
**Post date:** [May 15, 2024, 9:32pm UTC](https://forum.inductiveautomation.com/t/how-do-you-log-tag-to-two-historians/90462/2 "2024-05-15T21:32:55Z")

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Easy way would be to create 2 tags (1 opc, 1 reference), and historize both. All depends if you want both historian to have the same tag path.

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**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\
**Post date:** [May 15, 2024, 9:38pm UTC](https://forum.inductiveautomation.com/t/how-do-you-log-tag-to-two-historians/90462/3 "2024-05-15T21:38:37Z")

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> **[Tag History Providers | Ignition User Manual](https://docs.inductiveautomation.com/docs/8.1/ignition-modules/tag-historian/tag-history-providers#tag-history-splitter)**
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> The Tag Historian module uses a concept of "History Providers" as a means to keep track of different storage configurations. Each provider is responsible for maintaining its own set of tables and records.

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**Author:** ![Eugene49](https://avatars.discourse-cdn.com/v4/letter/e/c6cbf5/32.png) [@Eugene49](https://forum.inductiveautomation.com/u/Eugene49)\
**Post date:** [May 16, 2024, 12:26am UTC](https://forum.inductiveautomation.com/t/how-do-you-log-tag-to-two-historians/90462/4 "2024-05-16T00:26:09Z")

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Very cool, didn't saw this on the available historian options..