[DRBD-user] Long downtime of two DRBD nodes

Xavier Mertens xavier at rootshell.be
Mon Apr 26 13:25:29 CEST 2004

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


No network change, no vpn, no firewall.
 From the nodes point-of-view, they will be kept in the same VLAN. ;-)

Xavier
--
If Bill Gates had a dime for every time a Windows box crashed...
..Oh, wait a minute, he already does.

On Mon, 26 Apr 2004, Lars Ellenberg wrote:

> / 2004-04-26 13:09:34 +0200
> \ Xavier:
> > Hi,
> >
> > I've a question regarding downtime between two DRBD nodes. I've a
> > replica working without problems. If I disconnect the secondary node
> > for a few seconds, once reconnected, synchro restarts... perfect!
> >
> > The secondary node must be moved to another datacenter. The move will
> > take approx. 2/3 hours. What can append? Is there some specific things
> > to take care of?
> > The secondary configuration will NOT change, just a physical move.
> >
> > Any experience?
>
> "Theoretically" nothing to worry about.
> Connection parameters stay the same?
> presumably some sort of VPN?
>
> Then just put it on the net again,
> and you should see what we call a "SyncQuick",
> i.e. all data blocks that were modified on the
> Primary meanwhile will be transfered.
> Depending on the amount of changed data, this
> might not be as quick as the name would suggest.
>
> If you need to reconfigure the network
> settings on the Primary, you will probably get
> a SyncAll instead.
> In your special case, where you *know* that
> nothing was changed on the Secondary
> meanwhile, this can be avoid with manual
> meta-data manipulationi, ask for details if
> needed.
>
> 	Lars Ellenberg
>
> 	Lars Ellenberg
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