Siddhartha Jain (sid@netmagicsolutions.com) wrote: > >> Basically, I intend to create a module that, when loaded, allows for > >> file/directory replication. So if /home is meant to be replicated to /opt > >> then /etc can contain a config file that has a line like: > >> /home /opt > > > >Why do you want such a module? > > I wanted to replicate a local directory on a server to a NFS mounted > directory. We tried to use rsync but for our directory sizes it worked out > to be too slow. For a directory (you guessed it - mail) with about 80,000+ > files the sync time was about half an hour. Also, during the sync the > utilization figures on the file server (a NetApp) would go high. We > originally planned to export such NFS directories to all the mail servers > from the NetApp fileserver so that if any mail server disks crashed we > wouldn't lose any data and bring it back-up quickly. But since rsync turned > out to be very slow for even a single server we had to scrap the idea of > doing multiple servers. The solution is hard RAID-1 ;) and I think the read of md (for woft raid) module could help you. Have a good day. -- Regards Christophe * GNU/Linux & UNIX developer and network administrator * Membre RotomaLUG (http://www.rotomalug.org) * Registered User #271267 * Email: c.lucas@ifrance.com * Web Site: http://odie.mcom.fr/~clucas/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
