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DFS as in MS-DFS? From:
rhelv5-list-bounces redhat com [mailto:rhelv5-list-bounces redhat com] On Behalf Of solarflow99 dfs On Fri, Jul 1, 2011 at 10:33 AM, Musayev, Ilya <imusayev webmd net> 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
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