>>Depending on how the NAS is configured
>>
>>(1) After 15/30 minute of inactivity it goes into sleep mode
>>Disks stop spinning and are switched off. The NAS is in standby
>>
>>(2) After a longer time of inactivity it goes into deep sleep - it switches itself off.
>>You have to power it on if you need it again
>
>Despite the fact that I asked for a verification on this a few weeks ago, this did not get through as expected. So, I thought it was verified ok. This morning, we got a confirmation that there was some kind of setting in there for the sleep mode. So, it is my understanding they had or are about to adjust to avoid that. Your vision about this sleep mode turned out to be quite correct.
>
>Thanks again

No problem. I have two NAS drives (for backup). I thought it might be something like that (long delay when spinning up again)