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While by default VoipNow uses the POSIX file system, in order in order to assist service providers in building a cost-effective shared storage layer, VoipNow VoipNow can store the storage space consuming resources (incoming faxes, recorded calls and voicemail messages) in Amazon S3. Keep in mind that information is written to Amazon S3 asynchronouslyS3 asynchronously. Please read the the Storage Configuration guide for for more information on how to set up storage.
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You better focus on capacity, but keep in mind that the reliability of the disks is important. Storage appliances from recognized storage vendors use only enterprise level only enterprise level disks.
If you decide to build your own shared storage on a regular server, keep in mind that RAID levels might not offer enough failure protection when a large number of disks is involved. The industry has solutions, such as the ZFS file system that is available on Open Source or commercial appliances.
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| Role | Storage | Capacity |
|---|---|---|
| SQL | Local storage only. Very fast, implemented with fast disks, preferably SSD. | Depends on deployment size, below 512GB even for large deployments. |
| Distributed Database | Local storage only. No special storage performance requirements. | Depends on deployment size, below 100 GB per node even for very large deployments. |
| PBX | Shared storage only. | Without Amazon S3 cloud storage, capacity requirements might be high (many Terabytes) * |
| Web Management Interface | Shared storage only. | Without Amazon S3 cloud storage, capacity requirements might be high (many Terabytes) * |
| Infrastructure Controller | Shared storage only. | Without Amazon S3 cloud storage, capacity requirements might be high (many Terabytes) * |
| Elasticsearch | Local storage only. Very fast, implemented with fast disks, preferably SSD. | Depends on deployment size, below 512GB even for very large deployments. |
Jabber | Local storage only. No special storage performance requirements. | Depends on deployment size, below 100 GB per node even for very large deployments. |
| Worker | Shared storage only. | Without Amazon S3 cloud storage, capacity requirements might be high (many Terabytes) * |
| Note |
|---|
| * Depends Depends on the quota limits assigned by the service provider for its users. |
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