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      DSM 6.2-23739 - WARNING   05/23/2018

      This is a MAJOR update of DSM. DO NOT UPDATE TO DSM 6.2 with Jun's loader 1.02b or earlier. Your box will be bricked.  You have been warned.   https://www.synology.com/en-global/releaseNote/DS3615xs
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      Email server issues - FIXED   06/14/2018

      We have been experiencing email server issues. We are working on it. Bear with us. Thank you. ------------- Problem has been fixed. You might receive duplicate emails. Sorry for that.

qwertyegg

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About qwertyegg

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  1. file transfer hangs at full cpu load

    Hi all, I have this xpenology running withing hyper-v. my build is celeron j1800 itx(and other Mobo/CPU combos) 4GB RAM DSM 5.0-4493 (no update, and update 7 both tried) 3TB seagate hdd + 120GB hdd(running os) Here is the problem, when I'm trying to do my bi-weekly backup, I found the file transfer would hang when the resource monitor sees the CPU load is 50%(out of 2 cores), and a prompty would pop up telling me some issue happens while transferring the file and I need to continue or cancel. I observed this happening only when 1 core is at full load. And with no update, a process of samba would be stuck there taking 50% of cpu resources; and with update 7, that process will be killed by dsm itself, although the file transfer is still hanging there. I am pretty sure this is due to the lack of CPU power because I have another setup (Athlon x2, amd 780G) and I underclocked the CPU and found the same freeze/hang happening and the file transfer rate is low(around 60Mbps), and when I tune up the CPU speed I found the file transfer speed up too, and when there is enough CPU power to fully feed the Gbps ethernet(getting around 110MB/s), the CPU load would never reach 50% and there would be no freeze/hang anymore. I really don't mind that much if the copy/write speed is lower, but I hate this freeze. What can I do to get rid of this problem?