[DRBD-user] Antwort: Re: DRBD 8.3.13 Sync getting stalled with RHEL 6

vijay patel catchvjay at hotmail.com
Tue Oct 29 15:48:01 CET 2013

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


Thanks Bob for your reply. While upgrading drbd (removing 8.3.13 and installing 8.4.2)  when I recreate meta data (drbdadm create-md) will it affect data on the disk?

> Subject: Antwort: Re: [DRBD-user] DRBD 8.3.13 Sync getting stalled with RHEL 6
> To: drbd-user at lists.linbit.com
> CC: catchvjay at hotmail.com
> From: Robert.Koeppl at knapp.com
> Date: Fri, 25 Oct 2013 10:32:08 +0200
> 
> If you can live with a short downtime the path is rather simple:
> Stop your cluster software on the secondary, upgrade there bit leave
> DRBD/clustersoftware stopped.
> Stop your cluster on the primary node
> Update DRBD
> Start your cluster up again on primary node.
> After the primary is fully up again you have two options:
> 1. start your cluster software on the secondary and let it take care of
> starting DRBD/sync
> 2. more paranoid:
> 2.a disconnect ddrbd on primary: drbdadm disconnect all
> 2.b load drbd module on secondary: modprobe drbd
> 2.c bring up resources on secondary node: drbdadm up all
> 2.d invalidate data on secondary: drbdadm invalidate all
> 2.e connect primary again: drbdadm connect all
> This will trigger a resync. after it is done, stop drbd and start your
> cluster manager on the secondary node
> Mit freundlichen Grüßen / Best Regards
> 
> Robert Köppl
> 
> Customer Support & Projects
> Teamleader IT Support
> 
> KNAPP Systemintegration GmbH
> Waltenbachstraße 9
> 8700 Leoben, Austria
> Phone: +43 3842 805-322
> Fax: +43 3842 82930-500
> robert.koeppl at knapp.com
> www.KNAPP.com
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