Some packages may take up a large amount of storage space in certain circumstances. Listed below are some of the possible scenarios: Synology Drive or Cloud Station: When a shared folder is synced by Synology Drive or Cloud Station, for the purpose of versioning control, the shared folder will take up twice the space of the folder’s…
DetailsRAID Type Limitations RAID 1 can only be changed to RAID 5, and SHR-1 can only be changed to SHR-2. Please see the table below for RAID type limitations (e.g., RAID 1 can be changed to RAID 5, but RAID 5 cannot be changed to RAID 1) and refer to here for more information. Current RAID Type…
DetailsStorage pools can be changed from one RAID type to another without losing existing data. For example, you can create a RAID 1 storage pool on your Synology NAS and later change to RAID 5 if you install more drives. This article provides instructions to change the RAID type of existing storage pools on your…
DetailsOverview Synology Hybrid RAID (SHR) is an automated RAID management system from Synology, designed to make storage volume deployment quick and easy. If you don’t know much about RAID, SHR is recommended to set up the storage volume on your Synology NAS. You will learn different types of SHR and their advantages/disadvantages over classic single…
DetailsThe Heartbeat connection of the high-availability cluster is strongly recommended to be made directly to the active and passive server so that it will not be affected by other factors. When creating the cluster, the system checks if the connection meets the following requirements and automatically helps you with the network settings in order to…
DetailsWhile Synology aims to ensure data resilience and good user experience, DiskStation Manager (DSM) provides the SSD cache feature that allows you to enhance the performance of random access on Synology NAS by adding SSDs. This article will explain how to evaluate the overall system availability when using SSD cache. For more information on SSD…
DetailsIf your SSD cache is running low on storage capacity, it indicates that the amount of hot data (i.e., most frequently accessed data) for the SSD cache to store is about to exceed the allocated cache size. Although an insufficient SSD cache size will not affect the operation of your Synology NAS, you may still…
DetailsHot spare drives are standby drives that can repair a degraded storage pool by automatically replacing a failed drive. Hot spare drives can be globally assigned to protect any storage pool within your Unified Controller, as long as the storage pool matches the following criteria: The RAID type of the storage pool must be one…
DetailsThe below table lists Synology NAS models which are supported by Migration Assistant to work as either source or target server. The source server refers to the original Synology NAS from which data is moved, and the target server refers to the new Synology NAS. Series Models FS-series FS6400, FS3400, FS3017, FS2017, FS1018 SA-series SA3600,…
DetailsSSD caches can achieve better performance on Synology NAS by leveraging the advantages of SSDs. By storing frequently accessed data on an SSD cache, you can reduce I/O latency and improve system performance of your Synology NAS. Most Synology NAS models support SSD cache. Installing SSDs according to the following ways allows you to create…
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