Should I add SSD cache to Synology?

What does SSD Cache do for Synology?

SSD Cache on Synology NAS

By attaching each SSD cache to a single storage volume or iSCSI LUN (block-level), Synology SSD Cache can create a read and write buffer which greatly enhances the system performance of your Synology NAS.

Do you need SSD cache for NAS?

An SSD cache is the ideal middle ground if you want to run file-intensive workloads on your NAS while still running affordable NAS-ready hard drives. … As an SSD consists of flash memory and no moving parts, it’s much faster, delivering much better IOPS (Input/Output Operations Per Second) performance.

How much cache do I need for NAS?

corresponding SSD Cache size should be 200 – 300 GB to ensure that all hot data can be accommodated. SSD cache. For Annapurna-based Synology NAS, the total size of SSD cache is limited to 1 TB. Apart from SSD endurance, you should also consider the memory requirements of SSD caching.

Is NVMe a SSD?

NVMe (nonvolatile memory express) is a new storage access and transport protocol for flash and next-generation solid-state drives (SSDs) that delivers the highest throughput and fastest response times yet for all types of enterprise workloads.

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What is an SSD cache volume?

SSD Cache and volumes. You can add a volume to SSD Cache as a way to improve read-only performance. SSD Cache consists of a set of solid-state disk (SSD) drives that you logically group together in your storage array. Simple volume I/O mechanisms are used to move data to and from the SSD Cache.

How do I add cache to my NAS?

To create and mount an SSD cache:

  1. Install the SSDs into your Synology NAS. …
  2. Go to Storage Manager > SSD Cache. …
  3. Select the cache mode (only available for Synology NAS models that support read-write cache).
  4. Select the volume or LUN on which you want to mount the SSD cache from the drop-down menu.

Is Cache important for SSD?

SSD caching can also be a cost-effective alternative to storing data on top-tier flash storage. The objective of SSD write caching is to temporarily store data until slower persistent storage media has adequate resources to complete the write operation. The SSD write cache can boost overall system performance.

How do I clear the cache on my SSD?

Removing the SSD Cache

  1. Go to Storage & Snapshots > Storage > Cache Acceleration.
  2. Click Manage and then select Remove. A confirmation message appears.
  3. Click OK.

Is more cache better for SSD?

As more cache hits occur, overall performance improves. When a host program accesses the storage array’s drives, the data is stored in the SSD Cache. When the same data is accessed by the host program again, it is read from the SSD Cache instead of the hard drives.

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How do I use Msata SSD as a cache drive?

Click Enable acceleration under either the Status or Accelerate menu.

  1. Select the SSD to be used as a cache device.
  2. Select the size from the SSD to be allocated for the cache memory.

What is a good amount of cache memory?

The higher the demand from these factors, the larger the cache needs to be to maintain good performance. Disk caches smaller than 10 MB do not generally perform well. Machines serving multiple users usually perform better with a cache of at least 60 to 70 MB.