What is high availability Synology?

Synology High Availability leverages the ability of two Synology NAS to maximize service uptime. With the cluster design, the active server is responsible for running all services and sync data to the passive server, which stands by and takes over the services when the active server becomes unavailable.

Can I create a high availability cluster with two different Synology NAS servers?

It is always recommended to create a high-availability (HA) cluster with two identical Synology NAS servers. However, it is also possible to create a hybrid HA cluster using two similar Synology NAS servers as a temporary alternative before you acquire two identical Synology NAS servers.

Which Synology NAS should I buy 2020?

1. Synology DiskStation DS220+: Best overall. If you’re buying a NAS for the first time or looking to upgrade, the DiskStation DS220+ is the ideal choice. The NAS enclosure has two bays, and it can accommodate a total of 32TB worth of storage across the two drive bays.

How do you expand the storage capacity of Synology NAS servers in a high availability cluster?

Replace drives to expand storage capacity on the active server

1. Launch Storage Manager.
2. Go to the Storage Pool tab to see which existing drive is the smallest.
3. Go to Synology High Availability > Cluster.
4. Remove a drive from the active server and replace it with one of a larger size.
5. Turn on the active server.

What is Synology snapshot replication?

Snapshot Replication leverages the modern Btrfs file system to create point-in-time copies of shared folders and LUNs that can be replicated to other Synology NAS and rapidly restored in case of data loss or accidental modifications to the original data.

What is the purpose of Quorum Drive in clustering?

Quorum is designed to handle the scenario when there is a problem with communication between subsets of cluster nodes, so that multiple servers don’t try to simultaneously host a resource group and write to the same disk at the same time.

What is RTRR QNAP?

Real-time Remote Replication (RTRR) is a proprietary backup method built into QNAP NAS devices that can create incremental data backups. The HBS 3 RTRR server service allows another QNAP device to store these backups on the local NAS. RTRR improves backup efficiency and reduces backup time.

Where are Synology snapshots stored?

The folders and files in snapshots can be accessed via file services in #snapshot folders of the shared folder. Select a shared folder of which you wish to make the snapshot visible.