Re: LVM snapshot

[Alexandre Oliva <aoliva redhat com>]

On Aug 18, 2004, Alasdair G Kergon <agk redhat com> 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}