SSD Cache

SSD cache can improve the performance of random access by storing frequently accessed data on the SSD cache. SSD cache can be mounted on a volume or iSCSI LUN (Block-Level). The objective of enabling SSD cache is to increase the performance of random access to a small portion of data that is frequently accessed in…

Why did my Intel SSD D3-S4510 and Intel SSD D3-S4610 series drives become unresponsive?

Owing to a NAND “channel hang” condition, the Intel SSD D3-S4510 and Intel SSD D3-S4610 series drives in the 1.92TB and 3.84TB capacities may become unresponsive after around 1,700 hours of cumulative idle power-on time. Symptoms If you are using the SSDs stated above, your Synology NAS may have any of the following symptoms: Unexpected abortion of command sent from the Synology NAS…

How do I enable file self-healing on DSM?

Since DSM 6.1, the system is able to detect silent data corruption and repair the corrupted files in general cases with the file self-healing feature. The file self-healing feature is currently available for the shared folders located in a Btrfs volume which was created with one of the following RAID types: RAID 1 RAID 5 RAID 6…