Les Mikesell wrote: > Bowie Bailey wrote: > >> My filesystem is raid 1 (via md) with 3 disks. Two of the disks are >> internal and one is in an sata hot-swap enclosure. Whenever I want to >> take a backup offsite, I shut down the machine, pull the third drive, >> replace it with a new one, and start it back up. Then I just need to >> tell md to rebuild onto the new drive and then take the old one >> offsite. I always have at least two active drives in the raid, so I >> don't have to worry about a disk failure during the rebuild. >> > > You don't even have to shut down as long as your sata controller > recognizes hot swaps. Just stop backuppc, unmount the partition, and > use mdadm to fail and remove the drive in the raid. Then you can > remount and restart backuppc. I don't bring the old offsite copy back > until the current one has been taken offsite, and it can be added to the > raid at any time, using the mdadm --add command. The re-sync does make > the machine very busy for a few hours so you'd want to do it at a time > when backups aren't running. >
I do the shutdown for two reasons: 1) My system partition lives on the raid as well as the data, so I have to shut down to keep everything consistent. 2) My sata controller doesn't recognize hot swaps as far as I have been able to determine. -- Bowie ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ 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/
