On 2006-01-06 10:08 +0100, Francois Barre wrote: > > No, backups do not mean snapshots. > > Snapshots are merely a way to take backups of a consistent view of the > filesystem... > [...] > > Don't mix them up, you'll be really really unhappy. > Wll, I may not be fully awoken yet, but what is the interrest of > having non-consistent backups ? For sure, backuping implies one of : > 1. Forbidding write access to data for users > 2. Having the capability to have snapshots. With LVM, you can create a snapshot of the block device at any time, mount the snapshot read-only (looks like another block device) and backup that. Ensuring consistency at application level is still up to you but at least, if that involves stopping services, the unavailability window is greatly reduced. -- André Majorel <URL:http://www.teaser.fr/~amajorel/> Do not use this account for regular correspondence. See the URL above for contact information. - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
