This documentation is for WSO2 Private PaaS 4.1.0. View documentation for the latest release.
Page Comparison - Persistence Volume Mapping (v.2 vs v.3) - WSO2 Private PaaS 4.1.0 - WSO2 Documentation

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In most IaaSs such as EC2, one persistence volume can be attached to only one instance. Therefore if your deployment policy has maxInstance count more than 1, you might encounter problems when Stratos WSO2 Private PaaS tries to attach the volume to the second instance. Currently persistence volume mapping has been fully tested only in EC2 for Apache StratosWSO2 Private PaaS.
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Mapping multiple persistence volumes

Stratos WSO2 Private PaaS provides the capability to specify multiple persistence volumes in the cartridge definition file as follows, in case you require more than one additional volume.

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Overall when persistence mapping is enabled Stratos WSO2 Private PaaS will:
  1. Create the volumes.
  2. Format and create a writable file system (ext3) .
  3. Mount volumes to the directory specified as mappingPath.

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