[DRBD-user] use drbd on wan

Lionel Sausin ls at numerigraphe.com
Wed Sep 21 12:39:59 CEST 2011

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Le -10/01/-28163 20:59, Mia Lueng a écrit :
>> Wouldn't it be better to run in asynchronous mode so your writes on
>> the master don't block while the data is shipped to the secondary?
>> There's obviously a trade-off with coherency on the secondary but you
>> don't have the latency.
Sorry, that won't help because the TCP buffer will be full in mere
seconds, and then the writes will slow down to the speed of the network
link.
> And I need confirm this:
> 1. when I connect a disconnected drbd resource, the resource will
> perform a quick sync
Yes it will.
> 2. The quick sync will keep the data order and provide data integration.
No, it doesn't work like that, sorry - but I'm confident you can do without.

Lionel Sausin



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