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[chris_uk]

It's well over the threshold now, nothing untoward yet (I would estimate it being at about the equivalent of 140% so far).

There's some new daily entries in the NVR logs, so assume there's a housekeeping script to calculate demand for the next x hours when the 10% threshold is breached and delete a certain number of older files accordingly:

2014-08-19 11:03:19 Recycle over
2014-08-19 10:56:42 Recycle started

The recycle times vary per day.

[tiredcam]

Hi chris_uk and billzer,

Like to find out if you guys tinkered with the recycle setting? I read the patch notes and it is now defaulted to 10%. I am assuming the old setting of 20% was the cause of the lockups?

I am in the midst of patching my unit now but am leery of switching back to JBOD and then find the unit has locked up again 2 weeks from now.

[chris_uk]

Hi tiredcam,

I hadn't changed it previously as all the units were recycling ok at the 10% default for me; after your question I moved it up to 20% on one unit to test and it has operated fine for about a week now - it recycles half as often, but takes about twice the time to compete according to the log! (no visual disturbance etc. that I can pick out at the moment).

It's possible that the high capacity advanced format disks were the "problem" (the multiple units I had all originally hung at or about the set recycling point full stop - perhaps the recycling script wasn't written with them in mind in previous firmware versions?)