[DRBD-user] Does DRDB do 'intelligent' mirroring?
alanr at unix.sh
Fri Sep 17 18:38:01 CEST 2004
Steve Purkis wrote:
> On Sep 17, 2004, at 15:48, Alan Robertson wrote:
>> Steve Purkis wrote:
>>> On Sep 17, 2004, at 14:26, Alan Robertson wrote:
>>>> That's easy.
>>>> It does intelligent resync. In fact, it will never do a full resync
>>>> of two nodes (except the first time).
>>>> In fact, I believe it does a better job of doing intelligent resync
>>>> than "Fast RAID-1". For details, see this article:
>>> PS: have just been blind, or is this not on the website? If not,
>>> then it's a real good idea to put it up there...
>> Perhaps you're blind -- note the URL? There's a link called
>> publications on the main page IIRC ;-)
> Yeah, saw that after the fact - blind I must be ;-)
> But seriously, for newbies, the fact that drdb-0.7 does rapid
> replication using a metadisk could be what pushes them to trial it (as
> in our case ;-). Maybe it should be plastered on the 'Start' page?
It's done rapid replication before in many cases. 0.7 is a big
improvement, obviously ;-)
And, it fully understands the "which copy is best" issue and deals with it
correctly. To my knowledge it's the only OSS solution which does this right.
But, I think this is a good suggestion. Phillip?
Alan Robertson <alanr at unix.sh>
"Openness is the foundation and preservative of friendship... Let me claim
from you at all times your undisguised opinions." - William Wilberforce
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