Hi, On Tue, Apr 16, 2002 at 09:34:45AM -0700, Amit D Chaudhary wrote: > Matt Bernstein wrote: > > At 14:20 +0100 Stephen C. Tweedie wrote: > >>More seriously, since 2.4.11, there's a page-cache/buffer-cache > >>aliasing problem which can lead to this being hit in ext3 if you > >>merely read from the buffered block device on which the fs sits. This > >>can happen, for example, if you dump(8) a live filesystem. I've got a > >>fix pending for the ext3 side of that problem, and have posted the > >>core VFS fix to l-k. > > > > *blush* We dump our filesystems live. I bet we're not the only ones. > > > Short of lvm, is there any other way to backup a ext3 live filesystem, > that is say one mounted as /, /usr, etc and have it as a clean(empty > journal) backup copy? rsync, tar etc. will all do backups well. rsync in particular is pretty smart about doing copies between full filesystems. --Stephen
