On Thu, Jan 17, 2013 at 03:05:35PM -0500, Valdis Kletnieks wrote: > So I'm looking at playing with btrfs, and I start looking at the > userspace pieces I'll need. What I can't find is an equivalent > of the ext[34] "dump/restore" package to dump data to an external > backup device. Is 'tar cf --acls --selinux --xattrs /external/fs.dump' > as good as it gets, or is something else recommended?
tar doesn't handle reflinks(+), so the above won't quite give you a complete duplicate. In the btrfs tool, there's send/receive, which should(*) be sufficient to deal with reflinks. Hugo. (+) aka CoW copies, or snapshots (*) I regret to say that I've not had the opportunity to play with send/receive myself yet, so I can't advise on the details of making it work yet. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- Prisoner unknown: Return to Zenda. ---
signature.asc
Description: Digital signature