Fwd: [DRBD-user] DRBD: failover when sync connection dies?

Martin Gombac martin at isg.si
Thu Dec 20 14:30:22 CET 2007

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



Begin forwarded message:

> From: Martin Gombac <martin at isg.si>
> Date: 20. december 2007 9:21:35 GMT+01:00
> To: Lars Ellenberg <lars.ellenberg at linbit.com>
> Subject: Re: [DRBD-user] DRBD: failover when sync connection dies?
>
> On 2007.12.19, at 17:00, Lars Ellenberg wrote:
>
>> On Wed, Dec 19, 2007 at 03:58:33PM +0100, Martin Gombac wrote:
>>>> ....
>>> To have as little downtime as possible if replication link fails. I
>>> think i explained this a couple of times by now. If data get's
>>> outdated on one node and the other has to be taken down for repairs
>>> => service offline.
>>
>> reconfigure drbd to use the "outside" link,
>> wait for resync, switch over, take down the server
>> with the broken local nic, fix it, reconfigure drbd to use
>> "local" link again, be happy.
>>
>> preferably also use bonding for "local" link,
>> so you can lose one NIC without losing the link.
>
> Now this is a good idea. :-)
> Can this (change network for sync) be done while resources are  
> mounted and primary?
> From the top of my head, I just change IPs in drbd.conf and then do  
> drbdadm adjust all?
>
>
>>
>> -- 
>> : Lars Ellenberg                           http://www.linbit.com :
>> : DRBD/HA support and consulting             sales at linbit.com :
>> : LINBIT Information Technologies GmbH      Tel +43-1-8178292-0  :
>> : Vivenotgasse 48, A-1120 Vienna/Europe     Fax +43-1-8178292-82 :
>> __
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>




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