Since Fabric uses Docker containers for the most vital components, it may bring the risk of data saved in the cloud container being lost. This is why OBCS integrates with the Oracle object store to persist data. So, what data is persisted in Object Store CS:
- Orderer node: The data persisted includes the ledger (that is, all block files from the orderer, including data for system channel and customer channels), a list of all channels, and the latest checkpoint (that is, to sync only newer blocks).
- Peer node: The data persisted includes the genesis block of the peer, a list of channels to which the peer is joined, and all of the source code of the deployed chaincodes.
- Other files: Besides orderer and peer data, ...
