On Thu, Dec 18, 2008 at 01:31:18AM -0600, Boyd Stephen Smith Jr. wrote: [snip] > > Shrinking the LV is probably the most dangerous part. You don't want to
1 word backup > have the filesystem be bigger than it's LV at any point. Make *sure* any > filesystem on shrunk LVs are good before you start writing data to new or > extended LVs. That data might end up over-writing the end of the > filesystem! Up to that point (even if you've already allocated the > extents with lvcreate or lvextend) you can roll back to your old LVM > layout with vfgcfgrestore -- I've screwed up at least twice and had to do > that. > > >Seems like > >your method is probably faster without all the overhead of figuring out > >the additional packages. > > I think so. I started using LVM when I went Linux full-time on my desktop > and it's been quite useful. I've completely swapped out the disks backing > the VG at least once, and I had full use of the system during the pvmove. > LVM just makes dealing with storage better. ZFS is supposed to be even > nicer, but I'm not entirely convinced and have not tried it myself. > -- > Boyd Stephen Smith Jr. ,= ,-_-. =. > bs...@volumehost.net ((_/)o o(\_)) > ICQ: 514984 YM/AIM: DaTwinkDaddy `-'(. .)`-' > http://iguanasuicide.org/ \_/ -- "I am mindful not only of preserving executive powers for myself, but of predecessors as well." - George W. Bush 01/29/2001 Washington, DC
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