On Aug 18, 2004, Alasdair G Kergon <agk@xxxxxxxxxx> wrote: > On Wed, Aug 18, 2004 at 05:54:16AM -0300, Alexandre Oliva wrote: >> Talking of dm-mirror, I haven't kept track of it; does anyone know how >> it guarantees atomic writes to the replicas of an extent? Does it >> resync the whole device in case there's say loss of power or a crash >> when the devices are out of sync > The way pvmove uses it, yes, it resyncs those parts of the data that were > being moved. How about for general use, e.g., as a replacement for RAID 1? -- Alexandre Oliva http://www.ic.unicamp.br/~oliva/ Red Hat Compiler Engineer aoliva@{redhat.com, gcc.gnu.org} Free Software Evangelist oliva@{lsd.ic.unicamp.br, gnu.org}