LVM snapshot
Alexandre Oliva
aoliva at redhat.com
Wed Aug 18 19:58:25 UTC 2004
On Aug 18, 2004, Alasdair G Kergon <agk at 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}
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