On Tue, Aug 17, 2004 at 08:33:17AM -0500, Chris Adams wrote: > Once upon a time, Paul Jakma <paul@xxxxxxxxxx> said: > > 1. A good reason to not put root on LVM - your rootfs is your primary > > rescue partition.. Why would you need LVM for root fs anyway? One can readily put a rescue image in /boot and add an appropriate Grub entry. Doing so enables maintenance tasks that require unmounting the filesystem, e.g., shrinking it, or rolling back to a snapshot, which are ordinarily difficult with system volumes. > Why would you need LVM for any FS? > > - Ability to easily resize partitions to meet changing needs. This > applies to root as well (ever had to blow everything away because root > needed to be larger for an upgrade?). > > - Ability to easily migrate to new storage. I haven't used this with > Linux LVM, but I have migrated Tru64 AdvFS filesystems from one set of > drives to another without having to shut down; combined with on-line > filesystem resizing, you never need to shut down for storage > maintenance again. And, of course, - Snapshot the filesystem for consistent backups, and background fsck. Regards, Bill Rugolsky
