Problem with untagged files

[Budgie]

Hi Simon,
My other problem file still didn't work after correcting the position of the mdat atom wrt moov. With some help I found it was because the .m4a file had been encoded with a low bit rate (HE-AACv2) which will not play on my Linn renderer. I changed the coding using ffmpeg and uploaded to NAS, moved old file out and restarted minimserver but the old file was still showing and more strangely the new file with a slightly changed name didn't show. Remind me please, how do I clear the cache in minimserver on the NAS?
Budgie.