Thanks Ryan, that looks just the ticket! Dominic
Ryan How wrote: > Use vshadow + dosdev to assign the snapshot to a drive letter. Then > you can run rdiff-backup on that snapshot drive > > You'll find some handy scripts by googling > > heres the main one I followed > > http://blogs.msdn.com/adioltean/archive/2006/09/18/761515.aspx > > HTH > > Ryan > > > > Dom wrote: >> Quoting Chris Wilson <[EMAIL PROTECTED]>: >> >>> On Thu, 13 Nov 2008, Dominic wrote: >>> >>>> I'm also curious about the additional overhead (in disk space) that is >>>> created by frequent rdiff-backup runs. If one backs up daily, how much >>>> more disk space is used than if one backs up weekly? In theory no more >>>> because 7 x daily incremental diffs have the same info as 1 x weekly >>>> incremental diff. >>> >>> I was running a backup of about 150 GB of data three (home directories) >>> about 3 times a day, and it was taking 8 MB per incremental backup with >>> rdiff-backup 1.0.5, even if nothing had changed. It may well be less >>> with >>> more recent versions, due to (1) compressed metadata and (2) >>> incremental >>> patches to metadata. >>> >>> Cheers, Chris. >> >> Hi Chris >> >> Thanks for your input. So I reckon that in your case the overhead of >> having 3x daily as opposed to 1x daily backups is about 4GB per year, >> which is 3% and so not significant. >> >> In relation to my other question about backing up locked files, my >> research so far suggests that the solution is to use snapshots: for >> Linux this means LVM (which fortunately we already use, because our >> server runs Devil-Linux), and for Windows XP there is a handy utility >> called vshadow.exe which creates a temporary snapshot which can then >> be used (I hope) by rdiff-backup. >> >> Cheers, Dominic _______________________________________________ rdiff-backup-users mailing list at [email protected] http://lists.nongnu.org/mailman/listinfo/rdiff-backup-users Wiki URL: http://rdiff-backup.solutionsfirst.com.au/index.php/RdiffBackupWiki
