Hi Rolan, I should have corrected that, my bad! It is an NFS client mounting the NFS server, I.e. nfsClient:/some_dir_mounted_via_nfs
Si On 21/07/2015 10:20, "devz...@web.de" <devz...@web.de> wrote: >>Over ssh/nfs >>rsync -nuvaz --delete /source/ r...@nfsserver.domain.co.uk: > >i don`t see nfs here, i see rsync syncing a local dir via ssh to a local >dir on the target system. > >does nfsserver.domain.co.uk just export NFS shares to other systems or >are there other NFS shares being mounted there, >i.e. is rsync writing via SSH to nfsserver:/some_dir_mounted_via_nfs > >regards >roland > > >> Gesendet: Dienstag, 21. Juli 2015 um 10:48 Uhr >> Von: "Simon Wong (Staff)" <s.w...@dundee.ac.uk> >> An: "rsync@lists.samba.org" <rsync@lists.samba.org> >> Betreff: Rsync differences using NFS & SMB >> >> Hi, >> >> I’m having difficulties trying to understand the performance differences >> between NFS and SMB. I have used rsync (OS X) over SMB (mounted network >> storage) and using rsync (OS X) over SSH (NFS mounted storage) >> >> From my test, rsync over SMB builds a file list each time comparing >> modified source/destination, where as rsync over ssh/nfs is incredibly >> quicker, pretty much instant. >> >> During the test; >> - when running rsync to the mounted storage on Linux, it identified >> new/deleted files immediately! >> - When running rsync over SMB, it builds a complete file list and lists >> each directory before any copy takes place. >> >> To the users perception, building the file list (lets say the user has >> hundreds/thousands of folders) takes some time to run through each >> directory. Once the rsync completes the initial copy, on the second >> rsync, it completes within seconds. As expected, right? >> >> The problem occurs when I unmount and remount the SMB share. If I run >> rsync again it builds the whole file list and begins to run through >>'every >> folder”, even if there is nothing to copy! >> >> This is not the same behaviour using rsync via ssh over nfs, it doesn’t >> appear to show "building file list" and immediately informs the user if >> files are copying or the completion time. I have tried multiple >> troubleshooting, even unmounting the the NFS share and clearing the >>cached >> memory in Linux with no success. >> >> >> The commands I have played around with are;- >> >> Over smb >> rsync -uvaz --delete /source /destination >> rsync -aHEXAx -v --delete --progress --stats --timeout=999 /source >> /destination (tried without —progress and —stats, same behaviour) >> >> Over ssh/nfs >> rsync -nuvaz --delete /source/ r...@nfsserver.domain.co.uk: >> >> >> Thanks, >> >> Si >> >> >> >> The University of Dundee is a registered Scottish Charity, No: SC015096 >> -- >> Please use reply-all for most replies to avoid omitting the mailing >>list. >> To unsubscribe or change options: >>https://lists.samba.org/mailman/listinfo/rsync >> Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html >> The University of Dundee is a registered Scottish Charity, No: SC015096 -- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html