Synology SSD Cache Issues
Synology SSD Cache have two issues as below
-
Unable to use one disk/array to support mulitiple volume.
- No answer from Internet and some people mentioned that it is a new request.
- Possible solution is to create partition/volume on SSD Storage Pool, then use volume as cache device.
- Synology uses LVM cache, haven't checked whether native linux can do or not.
-
Utilization of cache is very low, about 5GB on fequently used volume, such as volume1.
- Improved in DSM 7 which supports
Pin all Btrfs metadata
option. But haven't validated the utilization.
- Improved in DSM 7 which supports