My speed is going very up and down when I transfer files within the same share. It is working fine when I transfer from unraid -> Pc or Pc -> Unraid, but not from different subfolders within the same share.

 

This is on my Cache drive, which is an Samsung SSD

Anyone has an idea of what could be causing this?

tower-diagnostics-20160927-2053.zip

This would be my thoughts.  Not necessarily correct though.

 

unRaid reads x number of sectors (and also caches the reads), transfers it to windows.  Windows transfers it back to unRaid.  unRaid caches the writes to its limits.  The drops down to 0 come from when the cache is full and has to be dumped to the ssd.

 

Also, are you sure the source and destination are both the same share.  Moves within a share should be instantaneous.  Moves crossing shares will have to do the read, transfer, transfer back, write thing.

This would be my thoughts.  Not necessarily correct though.

 

unRaid reads x number of sectors (and also caches the reads), transfers it to windows.  Windows transfers it back to unRaid.  unRaid caches the writes to its limits.  The drops down to 0 come from when the cache is full and has to be dumped to the ssd.

 

Also, are you sure the source and destination are both the same share.  Moves within a share should be instantaneous.  Moves crossing shares will have to do the read, transfer, transfer back, write thing.

Yup, that looks what is happening. Thanks!