Best way to backup and restore millions of files

Posted by bongo on Server Fault See other posts from Server Fault or by bongo
Published on 2010-03-28T00:37:42Z Indexed on 2010/03/28 0:43 UTC
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Hi,

I'm facing a rebuilding of the volume on which I host the mail storage (kerio mailserver, which uses maildirs). I need to backup and restore as quick as possible the 3.5+ millions (for about 600GB) small files of the store directory. It takes more than 12 hours via rsync to a NFS share, but I also have a 1TB firewire 800 raid1 disk that I can use (from some preliminary tests it's faster). I'm working off a XServe intel. What is the fastest way to do it? Rsync? Finder copy? tar?

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