Even better tutorial on using incron with rsync to keep filesystems in sync: http://www.cyberciti.biz/faq/linux-inotify-examples-to-replicate-directories/
/Brian/ On 7/1/11 11:47 AM, Musayev, Ilya wrote: > Thanks Tony, i will put Unison on my "try out list" :). > > Really curious how it will perform in comparison to rsync. > > Regards > ilya > ________________________________________ > From: [email protected] [[email protected]] On > Behalf Of Procaccini, Tony J. [[email protected]] > Sent: Friday, July 01, 2011 11:26 AM > To: '[email protected]' > Subject: Re: [rhelv5-list] Near Real-Time RSYNC with NFS > > Try Unison via epel, it reads archive/changelog files for modifications, > works over nfs/ssh and use rsync algorithm if you want. > > Tony > > On Fri, Jul 1, 2011 at 10:33 AM, Musayev, Ilya <[email protected]> wrote: > >> Its been a while since I posted here J**** >> >> ** ** >> >> I have an interesting problem where I need to rsync an nfs mount to another >> server in a different datacenter continuously with least time lapse >> possible. Needless to say, NFS server is an appliance that currently has >> issues with replication and I have no root access (i.e. EMC Cellera). The >> share contains 20 million files ? so you can imagine rsync will take a bit >> of time to analyze and build a file list ? it took 8 hours previously + 24 >> hours on actual sync.**** >> >> ** ** >> >> My goal is to speed up the transfers going forward on changed files. Setup >> is as follows:**** >> >> ** ** >> >> Source: host1:/nfs_mount**** >> >> Destination: host2:/nfs_mount**** >> >> ** ** >> >> Possible solutions I?ve seen thus far was rsync and inotify. Rsync is >> tricky thing when you have 20m files and analyzing all files that have >> changed via cron, is not what I think is ideal solution. Inotify ? I have >> not yet tried, but it sounds like it only supports local file systems >> (ext3+), though I do see some posts that it may support nfs v4 mounts. *** >> * >> >> ** ** >> >> What would you recommend to keep the 2 shares in sync with least time lapse >> (open source realm)? Has anyone had success with inotify on nfs share?**** >> >> ** ** >> >> Looking forward to your comments,**** >> >> ** ** >> >> Thanks**** >> >> -ilya**** >> >> ** ** >> >> _______________________________________________ >> rhelv5-list mailing list >> [email protected] >> https://www.redhat.com/mailman/listinfo/rhelv5-list >> >> > > _______________________________________________ > rhelv5-list mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/rhelv5-list > > > > _______________________________________________ > rhelv5-list mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/rhelv5-list -- Brian Long | | Corporate Security Programs Org . | | | . | | | . ' ' C I S C O _______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list
