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sunhux
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Windows robocopy / mir or rsync or ? to sync 'open files' reliably in real-time to remote site with little bandwidth

I have a 180GB share drive in Production site where users publish or
upload .xps & .pdf files to it.  I have a 30Mbps WAN link to a remote
(& supposedly 'hot' ) DR site.

As these files are being created/written, they're probably 'open'
or 'locked' but I would still want them to be 'sync'ed over to remote
end asap.

Should there be a failure in copying, the tool should resume back on
its own.

So, is Robocopy or rsync or ...... (recommend which other Opensource freeware tool)....
the best for this case?  May not necessarily have a permanent VPN ?


Must the remote end share out a file service to the local server to
map to (preferably not), as this NetBIOS file sharing over WAN takes
a lot of resource.  Pls recommend
Microsoft Legacy OSStorage SoftwareFile Sharing Software

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ArneLovius

8/22/2022 - Mon
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motnahp00

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X-treem

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sunhux

ASKER
Many thanks chaps.

>remote end needs a share to copy to
If the remote end has a storage with NFS, can I map to the
NFS share & robocopy to it?

If there's no share, what other means we can enable writing to the
remote end?  (use 'scp' or 'sftp' or VPN tunnel ...... ?? )

>use /ZB switch (use restartable mode; if access denied use Backup mode)
So if the robocopy sync'ing run into errors, it will restart itself & if 'access
denied' (what's this??), it will retry sync'ing using "backup" mode (what's this?)?

Will 'Backup' mode retains the creation/modification dates+timings &
the ownership (+security settings ) of the files sync'ed across?
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sunhux

ASKER
I have Robocopy version XP010 meant for MS® Windows® Server 2003,
MS® Windows® XP and MS® Windows® 2000.  What's the version for
MS Windows 2008 Server R2 (x64) & what's the url to download it ?

Can the following switches help better, ie /MON:1 (after 1 change) & /MOT:0.01 :
Use the /MON:n switch to specify the minimum number of changes that must occur
  before running again.
Use the /MOT:m switch to specify the minimum time, in minutes, that must elapse
  before running again.
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sunhux

ASKER
>ntfs share: yes, if the firewall allows it
I meant NFS (Netwk File Share, not ntfs which is Windows new tech filesystem)

Is there any way I can use ssh+scp+rsync jointly to sync over delta changes
& if so what's the exact syntax ?
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