> For the complete documentation index, see [llms.txt](https://prosbcdocs.telcobridges.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prosbcdocs.telcobridges.com/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp.md).

# Glossary: tboamapp

### Started By

Tboamapp is started by the [tbtoolpack\_service](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/glossary-tbtoolpack-service.md). [Tbtoolpack\_service](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/glossary-tbtoolpack-service.md) also monitors tboamapp and restarts it if required.

### Roles

#### Master

The master tboamapp is responsible for these roles:

* Starting the election process if another tboamapp instance is detected/lost
* Replicating packages (files + binaries) from [primary](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/primary-secondary.md) to [secondary](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/primary-secondary.md) host
* Managing/monitoring all the other Toolpack applications running on its host(ensuring that they are always running)
* Selecting configuration database(s) ([primary](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/primary-secondary.md) or [secondary](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/primary-secondary.md))
* Creating/upgrading the configuration database
* Applying package upgrades throughout the system
* Installing firmware and licenses on the device hardware
* Applying configuration changes throughout the system

#### Slave

The master tboamapp is responsible for these roles:

* Starting election process if another tboamapp instance is detected/lost
* Managing all the other Toolpack applications running on its host(ensuring that they are always running)

<br>

### High Availability

Tboamapp is a [Master/Slave](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/master-slave.md) type application. Every time a tboamapp instance is detected or lost, an election process is triggered. The election process will select one tboamapp instance to become [master](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/master-slave.md), and the other will be [slave](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/master-slave.md). If it is available, the tboamapp running on the [primary](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/primary-secondary.md) host will always win the election process; therefore, the [master](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/master-slave.md) will always fall back to the [primary](/appendices/appendix-a-glossary/glossary-toolpack/glossary-tboamapp/primary-secondary.md) host when available.

<br>

### Logs

* Logs for tboamapp can be located in one of the following three places:

\[InstallDir]/toolpack/setup/*SystemId*/*MajorVersion*/apps/tboamapp//lib/tb/toolpack/setup/12358/2.3/apps/tboamapp/C:\TelcoBridges\toolpack\setup\12358\2.3\apps\tboamapp\\


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