Adam Goryachev wrote: > Just had a thought ... dangerous I know :) > > Would it improve backuppc performance to use RAID1 with 3 drives? > Obviously writes are not improved, but it would seem the majority of > work done on the FS are random reads... > > ie, new files, and unlinks for old expiring files/backups are the only > writes (ok, plus logging). Other than that, there is a lot of reading > both for every backup as well as for the nightly prune process. > > Currently, I'm using linux software RAID1 from md, with 2 x 1TB SATAII > HDD's, but thinking that adding a third HDD might improve performance > (albeit not increasing capacity).
I don't know about performance, but it would definitely increase redundancy. I use this exact same setup here and I periodically pull and replace the third drive so I can have a backup of the backup server. -- Bowie ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ BackupPC-users mailing list [email protected] List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
