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: [email protected] > CC: [email protected] > From: [email protected] > 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 > [email protected] > www.KNAPP.com > > Commercial register number: FN 138870x > Commercial register court: Leoben > > The information in this e-mail (including any attachment) is confidential > and intended to be for the use of the addressee(s) only. If you have > received the e-mail by mistake, any disclosure, copy, distribution or use > of the contents of the e-mail is prohibited, and you must delete the e-mail > from your system. As e-mail can be changed electronically KNAPP assumes no > responsibility for any alteration to this e-mail or its attachments. KNAPP > has taken every reasonable precaution to ensure that any attachment to this > e-mail has been swept for virus. However, KNAPP does not accept any > liability for damage sustained as a result of such attachment being virus > infected and strongly recommend that you carry out your own virus check > before opening any attachment. >
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