From: Johan E. <jo...@eh...> - 2008-12-08 10:34:14
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Stuart Luscombe wrote: > Hi there, > > > > I’ve been struggling with this for a little while now so I thought it > about time I got some help! > > > > We currently have a server running BackupPC v3.1.0 which has a pool of > around 3TB and we’ve got to a stage where a tape backup of of the pool > is taking 1-2 weeks, which isn’t effective at all. The decision was > made to buy a server that is an exact duplicate of our current one and > have it hosted in another building, as a 2 week old backup isn’t ideal > in the event of a disaster. > > > > I’ve got the OS (CentOS) installed on the new server and have installed > BackupPC v3.1.0, but I’m having problems working out how to sync the > pool with the main backup server. I managed to rsync the cpool folder > without any real bother, but the pool folder is the problem, if I try an > rsync it eventually dies with an ‘out of memory’ error (the server has > 8GB), and a cp –a didn’t seem to work either, as the server filled up, > assumedly as it’s not copying the hard links correctly? > > > > So my query here really is am I going the right way about this? If not, > what’s the best method to take so that say once a day the duplicate > server gets updated. > > > > Many Thanks > All of the folders have to be on the same filesystem, and they should all be synced all at once. Otherwise rsync won't know about hardlinks. Also, have you tried 'cp -a --preserve=all'? It should be mostly redundant but may be worth a shot. Best regards, Johan |