Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2006-06-01 15:52:19 +0100 \ paddy: > On Thu, Jun 01, 2006 at 04:29:16PM +0200, Rafael Diaz Maurin wrote: > > Leroy van Logchem a écrit : > > > > > >>2/ Does it matter if both nodes have 2 differents versions of drbd > > >>(are 0.7.10 and 0.7.19 compatible without losing data) ? Are the data > > >>copied safely on both nodes ? > > > > > >My experience has been that it works fine. Upgrading doesnt change the > > >ondisk structures if the versions (api:78/proto:74) don't change. > > > > All right, so in the case of upgrading version: 0.7.10 without stopping > > the cluster it must be the drbd version: 0.7.17 (api:77/proto:74) > > because drbd version: 0.7.10 (api:77/proto:74) > > and since the drbd version: 0.7.18 (api:78/proto:74) > > > best to check this, but off the top of my head you should be able to go > by the protocol version, so you could go straight from .10 to .19 > > I don't recall what the api number is for exactly. protocol version: communication on the wire. so no problem to connect 0.7.19 with 0.7.10 api version: communication of user space tools with kernel modul. so you need to upgrade modules and drbdadm/drbdsetup at the same time, and make sure that the old module is unloaded before you install the new one. -- : 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.