AV does not do anything in the effective data stream - however the active AV scan as scheduled it's very intensive on the processor and the disk I/O while active.Lmax wrote:I notices this problem on my TS-419p as well. I realized it started occuring after i enabled the anti virus option a while back. Disabling this option made the NAS a lot faster and more responsive again.
Very high activity of the flush-processes can point to a problem of physically writing to the RAID, respectively to one or multiple disks.