Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2006-03-23 13:54:57 +0100 \ Diego Liziero: > Anyone tested a drbd cluster with mixed version of 2.4.x and 2.6.x > kernel in their nodes? > > I'm about to upgrade a drbd 2-nodes cluster from 2.4.x to 2.6.x kernel, > and I thought to change first the secondary node, then to switch it > to primary, and then to upgrade the second node. > > In the middle of this process there will be, for a short while, > a cluster with mixed 2.4 and 2.6 kernel versions with drbd. > > Anyone tested it? yes. e.g. just last week upgraded a cluster from SLES8 (2.4.idontremember) to SLES9 (2.6.whatever-with-loads-of-suse-back-and-forth-ports), and it went smoothly with minimal downtime (downtime was not because of drbd, but because of additional data migration). > Is it safe? yes. as safe as any administrativ change. -- : Lars Ellenberg Tel +43-1-8178292-0 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Schoenbrunner Str. 244, A-1120 Vienna/Europe http://www.linbit.com : __ please use the "List-Reply" function of your email client.