SSD Cache*

SSD cache can be installed and mounted in a RAID 0 configuration to boost the read speed of a volume, including iSCSI LUN (Regular Files) on a volume, or iSCSI LUN (Block-Level) on your Synology NAS. SSD cache implements a LRU (Least Recently Used) algorithm and write-around cache policy.

Note: Please check the following before purchasing or installing any SSD cache:

SSD Cache Info

This section includes the following three sections:

To mount SSD cache:

  1. Find the drop-down menu, and select the volume or iSCSI LUN (Block-Level) on which you wish to mount the SSD cache.
  2. Click Mount SSD Cache.

Note: Data on the SSD cache will be erased. Make sure no important data will be deleted.

To remove SSD cache:

Click Remove SSD Cache.

Note:

SSD Device Info:

This section displays information regarding SSD cache installed on your Synology NAS, including size, model, S.M.A.R.T. status, and compatibility.

Synology may update the SSD compatibility list in the future. Please remember to periodically update the compatibility list on your Synology NAS by clicking Check compatibility.

File Access Statistics

This section allows you to calculate and view the total size and number of recently accessed files on a specific volume. This information can be referenced when evaluating how much SSD cache is suitable for your system.

To calculate and view file access statistics:

File access statistics can be calculated and viewed with the following three items:

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*Only available on certain models.