full image - Repost: robocopy issue from one Windows Server 2012 R2 server to a QNAP NAS (from Reddit.com, robocopy issue from one Windows Server 2012 R2 server to a QNAP NAS)
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Trying to copy a ntfs shared folder from one Windows Server 2012 R2 (at HP DL380 G7 server hardware, LAN IP=10.10.30.50) VM50 to another QNAP NAS (LAN IP=10.10.30.100) getting this error.I'm trying to copy a few hundred GB of hyperV vm export images data from a server local C drive to a QNAP NAS (IP=10.10.30.100). I have managed to copy it using Robocopy in DOS on a Windows Server 2012 R2 machine with local drive to a QNAP NAS successful in past. But recently, I keep getting this error and timeouts multiple time during robocopy, and need to set up copy parameter of multiple times re-trying (& have 2 times or more times of retry) in order to copy successful finally.Both this windows server 2012 R2 at HP G7, and this QNAP NAS are in good condition with regular updates/reboot/maintained, and no any known issue, and tested working fine using other different servers to do other robocopy big files.There are 4 trouble shooting methods tried already but tested not working:This one specific Windows Server 2012 R2 (at HP DL380 G7 server hardware, LAN IP=10.10.30.50) VM50 has no any issue robocopy to QNAP NAS (LAN IP=10.10.30.100) in past, until robocopy issue is occurred recently.Change new network cables. Network cable issue is ruled out.QNAP NAS (LAN IP=10.10.30.100) has no problem because rest servers can robocopy data to it successful, except this one server (LAN=10.10.30.50) robocopy issue.Swapped all 8 local hard drives of this specific one server VM50 (Windows Server 2012 R2, at HP DL380 G7 server hardware, LAN IP=10.10.30.50) with issue to another good one server, VM51 (Windows Server 2012 R2, with same HP DL380 G7 server hardware, LAN IP=10.10.30.51), but, robocopy issue remain existed at server VM50 with swapped different hardware, while VM51 with swapped different hardware still is good server, & no any issue.robocopy log error messages at server VM50:C:\Users\Administrator>robocopy C:\ExportVMs\VM50_20230112 \10.10.30.100\QCTIBackup\bak20230107\VM50_2023011 2 /e /r:30 /w:30 ------------------------------------------------------------------------------- ROBOCOPY :: Robust File Copy for Windows ------------------------------------------------------------------------------- Started : Thursday, 12 January, 2023 7:01:03 AM Source : C:\ExportVMs\VM50_20230112\ Dest : \10.10.30.100\QCTIBackup\bak20230107\VM56_20230112\ Files : . Options : . /S /E /DCOPY:DA /COPY:DAT /R:30 /W:30 ------------------------------------------------------------------------------ New Dir 0 C:\ExportVMs\VM50_20230112\ New Dir 0 C:\ExportVMs\VM50_20230112\VM50\ New Dir 0 C:\ExportVMs\VM50_20230112\VM50\Snapshots\ New Dir 1 C:\ExportVMs\VM50_20230112\VM50\Virtual Hard Disks\ 0.2% New File 171.8 g VM57.vhdx 2023/01/12 07:11:08 ERROR 59 (0x0000003B) Copying File C:\ExportVMs\VM50_20230112\VM56\Virtual Hard Disks\VM50. vhdx An unexpected network error occurred. Waiting 30 seconds... Retrying...
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