Thanks Paul, Unfortunately our hands are tied with what we got and we only need a temporary solution for a month or two.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Paul Krizak Sent: Friday, July 01, 2011 11:16 AM To: [email protected] Subject: Re: [rhelv5-list] Near Real-Time RSYNC with NFS Sounds like you need a block-level solution like NetApp's SnapMirror. I don't think trying to synchronize this data from the OS layer is going to be a very elegant or efficient solution. Paul Krizak 7171 Southwest Pkwy MS B200.3A MTS Systems Engineer Austin, TX 78735 Advanced Micro Devices Desk: (512) 602-8775 Linux/Unix Systems Engineering Cell: (512) 791-0686 Global IT Infrastructure Fax: (512) 602-0468 On 07/01/2011 07:33 AM, Musayev, Ilya 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
